--- /dev/null
+#ifndef LIBMPEG3_H
+#define LIBMPEG3_H
+
+/* for quicktime build */
+#define MAXFRAMESAMPLES 65536
+#define ZDVB
+#define USE_FUTEX
+
+#include <stdio.h>
+#define __STDC_LIMIT_MACROS
+#include <stdint.h>
+
+typedef int (*zthumbnail_cb)(void *p, int trk);
+typedef int (*zcc_text_cb)(int sid, int id, int sfrm, int efrm, const char *txt);
+
+#ifdef __cplusplus
+#include <unistd.h>
+#include <stdlib.h>
+#include <byteswap.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+#include <endian.h>
+#include <signal.h>
+#include <pthread.h>
+#include <mntent.h>
+#include <linux/cdrom.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/syscall.h>
+#ifdef USE_FUTEX
+#include <linux/futex.h>
+#endif
+
+extern "C" {
+#include "a52dec-0.7.3/include/a52.h"
+}
+
+#define ZMPEG3_MAJOR 2
+#define ZMPEG3_MINOR 0
+#define ZMPEG3_RELEASE 0
+#define ZRENDERFARM_FS_PREFIX "vfs://"
+
+#define ZIO_SINGLE_ACCESS zfs_t::io_SINGLE_ACCESS
+#define ZIO_UNBUFFERED zfs_t::io_UNBUFFERED
+#define ZIO_NONBLOCK zfs_t::io_NONBLOCK
+#define ZIO_SEQUENTIAL zfs_t::io_SEQUENTIAL
+#define ZIO_THREADED zfs_t::io_THREADED
+#define ZIO_ERRFAIL zfs_t::io_ERRFAIL
+#define ZIO_RETRIES 1
+
+#define TOC_SAMPLE_OFFSETS zmpeg3_t::show_toc_SAMPLE_OFFSETS
+#define TOC_AUDIO_INDEX zmpeg3_t::show_toc_AUDIO_INDEX
+#define TOC_FRAME_OFFSETS zmpeg3_t::show_toc_FRAME_OFFSETS
+
+#define ZMPEG3_PROC_CPUINFO "/proc/cpuinfo"
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define ZMPEG3_LITTLE_ENDIAN 1
+#else
+#define ZMPEG3_LITTLE_ENDIAN 0
+#endif
+
+// Combine the pid and the stream id into one unit
+#define CUSTOM_ID(pid, stream_id) (((pid << 8) | stream_id) & 0xffff)
+#define CUSTOM_ID_PID(id) (id >> 8)
+#define CUSTOM_ID_STREAMID(id) (id & 0xff)
+
+#ifndef ZMAX
+#define ZMAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+#ifndef ZMIN
+#define ZMIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
+#ifndef isizeof
+#define isizeof(x) ((int)sizeof(x))
+#endif
+#ifndef lengthof
+#define lengthof(x) ((int)(sizeof(x)/sizeof(x[0])))
+#endif
+
+#define zlikely(x) __builtin_expect((x),1)
+#define zunlikely(x) __builtin_expect((x),0)
+
+#if defined(__x86_64__)
+#define _LD "%ld"
+#define _LDv(v) "%" #v "ld"
+#define _LU "%lu"
+#define _LUv(v) "%" #v "lu"
+#define _LX "%lx"
+#define _LXv(v) "%" #v "lx"
+#else
+#define _LD "%lld"
+#define _LDv(v) "%" #v "lld"
+#define _LU "%llu"
+#define _LUv(v) "%" #v "llu"
+#define _LX "%llx"
+#define _LXv(v) "%" #v "llx"
+#endif
+#define bcd(n) ((((n)>>4)&0x0f)*10+((n)&0x0f))
+
+#define new_memset(s) \
+ void *operator new(size_t n) { \
+ void *t = (void*) new char[n]; \
+ memset(t,s,n); \
+ return t; \
+ } \
+ void operator delete(void *t,size_t n) { \
+ delete[](char*)t; \
+ } \
+ void *operator new[](size_t n) { \
+ void *t = (void*) new char[n]; \
+ memset(t,s,n); \
+ return t; \
+ } \
+ void operator delete[](void *t,size_t n) { \
+ delete[](char*)t; \
+ }
+
+#define znew(T,n) ((T*)memset(new T[n],0,(n)*sizeof(T)))
+#define zmsg(fmt) printf("%s: " fmt, __func__)
+#define zmsgs(fmt,args...) printf("%s: " fmt, __func__, args)
+#define zerr(fmt) fprintf(stderr,"%s:err " fmt, __func__)
+#define zerrs(fmt,args...) fprintf(stderr,"%s:err " fmt, __func__, args)
+#define perr(fmt) do { char msg[512]; \
+ snprintf(&msg[0],sizeof(msg), "%s: " fmt,__func__); perror(&msg[0]); \
+} while(0)
+#define perrs(fmt,args...) do { char msg[512]; \
+ snprintf(&msg[0],sizeof(msg), "%s: " fmt,__func__,args); perror(&msg[0]); \
+} while(0)
+
+class zmpeg3_t;
+
+class zmpeg3_t {
+public:
+ new_memset(0);
+ class zlock_t;
+ class zblock_t;
+ class zrwlock_t;
+ class fs_t;
+ class bits_t;
+ class index_t;
+ class bitfont_t;
+ class timecode_t;
+ class audio_t;
+ class slice_buffer_t;
+ class video_t;
+ class slice_decoder_t;
+ class subtitle_t;
+ class demuxer_t;
+ class cacheframe_t;
+ class cache_t;
+ class atrack_t;
+ class vtrack_t;
+ class strack_t;
+#ifdef ZDVB
+ class dvb_t;
+#endif
+
+ enum {
+ // Error codes for the error_return variable
+ ERR_UNDEFINED_ERROR = 1,
+ ERR_INVALID_TOC_VERSION = 2,
+ ERR_TOC_DATE_MISMATCH = 3,
+
+ TOC_PREFIX = 0x544f4320,
+ // This decreases with every new version
+ TOC_VERSION = 0x000000f9,
+ ID3_PREFIX = 0x494433,
+ IFO_PREFIX = 0x44564456,
+ // First byte to read when opening a file
+ START_BYTE = 0x0,
+ // Bytes read by mpeg3io at a time
+ MAX_IO_SIZE = 0x10000,
+ IO_SIZE = 0x80000,
+ SEQ_IO_SIZE = 0xc00000,
+ MAX_TS_PROBE = 0x800000,
+ MAX_PGM_PROBE = 0x800000,
+ // Largest possible packet
+ RAW_SIZE = 0x400000,
+ RIFF_CODE = 0x52494646,
+ BD_PACKET_SIZE = 192,
+ TS_PACKET_SIZE = 188,
+ DVD_PACKET_SIZE = 0x800,
+ ERR_PACKET_SIZE = 0x800,
+ IO_ERR_LIMIT = 2,
+ SYNC_BYTE = 0x47,
+ PROGRAM_END_CODE = 0x000001b9,
+ PACK_START_CODE = 0x000001ba,
+ SEQUENCE_START_CODE = 0x000001b3,
+ SEQUENCE_END_CODE = 0x000001b7,
+ SYSTEM_START_CODE = 0x000001bb,
+ STRLEN = 1024,
+ // Maximum number of PIDs in one stream
+ PIDMAX = 256,
+ PROGRAM_ASSOCIATION_TABLE = 0x00,
+ CONDITIONAL_ACCESS_TABLE = 0x01,
+ PACKET_START_CODE_PREFIX = 0x000001,
+ // NAV/PRIVATE_STREAM_2 are the same id
+ PRIVATE_STREAM_2 = 0xbf,
+ NAV_PACKET_STREAM = 0xbf,
+ NAV_PCI_BYTES = 0x3d3,
+ NAV_DSI_BYTES = 0x3f9,
+ NAV_PCI_SSID = 0x00,
+ NAV_DSI_SSID = 0x01,
+ NAV_SRI_END_OF_CELL = 0x3fffffff,
+ PADDING_STREAM = 0xbe,
+ GOP_START_CODE = 0x000001b8,
+ PICTURE_START_CODE = 0x00000100,
+ EXT_START_CODE = 0x000001b5,
+ USER_START_CODE = 0x000001b2,
+ SLICE_MIN_START = 0x00000101,
+ SLICE_MAX_START = 0x000001af,
+ AC3_START_CODE = 0x0b77,
+ PCM_START_CODE = 0x7f7f807f,
+ MAX_CPUS = 256,
+ MAX_STREAMZ = 0x10000,
+ MAX_PACKSIZE = 262144,
+ MAX_CACHE_FRAMES = 128,
+ // Maximum number of complete subtitles to buffer in a subtitle track
+ // or number of incomplete subtitles to buffer in demuxer.
+ MAX_SUBTITLES = 16,
+ // Positive difference before declaring timecodes discontinuous
+ CONTIGUOUS_THRESHOLD = 10 ,
+ // Minimum number of seconds before interleaving programs
+ PROGRAM_THRESHOLD = 5 ,
+ // Number of frames difference before absolute seeking
+ SEEK_THRESHOLD = 16 ,
+ // Size of chunk of audio in table of contents
+ AUDIO_CHUNKSIZE = 0x10000 ,
+ // Minimum amount of data required to read a video header in streaming mode.
+ VIDEO_STREAM_SIZE = 0x100,
+ // Number of samples in audio history
+ AUDIO_HISTORY = 0x100000 ,
+ // max number of samples returned by decoder per input frame
+ AUDIO_MAX_DECODE = 0x800 ,
+ // Range to scan for pts after byte seek
+ PTS_RANGE = 0x100000,
+ // stream type
+ FT_PROGRAM_STREAM = 0x0001,
+ FT_TRANSPORT_STREAM = 0x0002,
+ FT_AUDIO_STREAM = 0x0004,
+ FT_VIDEO_STREAM = 0x0008,
+ FT_IFO_FILE = 0x0010,
+ FT_BD_FILE = 0x0020,
+ SUBTITLE_HOLD_TIME = 3,
+ CCAPTION_HOLD_TIME = 15,
+ };
+
+ enum color_model {
+ // All color models supported for read_frame
+ cmdl_BGR888=0,
+ cmdl_BGRA8888=1,
+ cmdl_RGB565=2,
+ cmdl_RGB888=3,
+ cmdl_RGBA8888=4,
+ cmdl_RGBA16161616=5,
+ // Color models for the 601 to RGB conversion
+ // 601 not implemented for scalar code
+ cmdl_601_BGR888=7,
+ cmdl_601_BGRA8888=8,
+ cmdl_601_RGB888=9,
+ cmdl_601_RGBA8888=10,
+ cmdl_601_RGB565=11,
+ // next 2 are supported color models for read_yuvframe
+ // also YVU420P/YVU422P with uv output_row ptrs reversed for read_frame
+ cmdl_YUV420P=12,
+ cmdl_YUV422P=13,
+ // the rest are supported color models for read_frame
+ cmdl_601_YUV420P=14,
+ cmdl_601_YUV422P=15,
+ cmdl_UYVY=16,
+ cmdl_YUYV=17,
+ cmdl_601_UYVY=18,
+ cmdl_601_YUYV=19,
+ cmdl_YUV888=20,
+ cmdl_YUVA8888=21,
+ cmdl_601_YUV888=22,
+ cmdl_601_YUVA8888=23,
+ };
+
+ // Values for audio input/output formats
+ enum audio_format {
+ afmt_IGNORE=-1,
+ afmt_UNKNOWN=0,
+ afmt_MPEG=1,
+ afmt_AC3=2,
+ afmt_PCM=3,
+ afmt_AAC=4,
+ afmt_JESUS=5,
+
+ atyp_NONE=0,
+ atyp_DOUBLE=1,
+ atyp_FLOAT=2,
+ atyp_INT=3,
+ atyp_SHORT=4,
+ };
+
+ // Table of contents sections
+ enum toc_section_type {
+ toc_FILE_TYPE_PROGRAM=0,
+ toc_FILE_TYPE_TRANSPORT=1,
+ toc_FILE_TYPE_AUDIO=2,
+ toc_FILE_TYPE_VIDEO=3,
+ toc_STREAM_AUDIO=4,
+ toc_STREAM_VIDEO=5,
+ toc_STREAM_SUBTITLE=6,
+ toc_OFFSETS_AUDIO=7,
+ toc_OFFSETS_VIDEO=8,
+ toc_ATRACK_COUNT=9,
+ toc_VTRACK_COUNT=10,
+ toc_STRACK_COUNT=11,
+ toc_TITLE_PATH=12,
+ toc_IFO_PALETTE=13,
+ toc_FILE_INFO=14,
+ toc_IFO_PLAYINFO=15,
+ toc_SRC_PROGRAM=16,
+ };
+
+
+#ifdef USE_FUTEX
+#define ZMPEG3_ZLOCK_INIT zzlock_t()
+ class zloc_t {
+ protected:
+ volatile int loc;
+ int zfutex(int op, int val, timespec *time=0) {
+ return syscall(SYS_futex,&loc,op,val,time,0,0);
+ }
+ int zyield();
+ int zgettid();
+ public:
+ int zwake(int nwakeups);
+ int zwait(int val);
+ int zwait() { return zwait(loc); }
+ static void zincr(volatile int &v) { /* atomic(++v) */
+ asm ( " lock incl %1\n" : "+m" (v) :: );
+ }
+ static void zdecr(volatile int &v) { /* atomic(--v) */
+ asm ( " lock decl %1\n" : "+m" (v) :: );
+ }
+ static char tdecr(volatile int &v) {
+ char ret; /* ret = atomic(--loc >= 0 ? 1 : 0) */
+ asm ( " lock decl %1\n setge %0\n" : "=r" (ret), "+m" (v) :: );
+ return ret;
+ }
+ static char tincr(volatile int &v) {
+ char ret; /* ret = atomic(++loc > 0 ? 1 : 0) */
+ asm ( " lock incl %1\n setg %0\n" : "=r" (ret), "+m" (v) :: );
+ return ret;
+ }
+ static int zcmpxchg(int old, int val, volatile int &v) {
+ int ret = old;
+ asm volatile( " lock\n cmpxchgl %2,%1\n"
+ : "+a" (ret), "+m" (v) : "r" (val) : "memory" );
+ return ret;
+ }
+ static int zxchg(int val, volatile int &v) {
+ asm volatile( " xchgl %0,%1\n"
+ : "+r" (val), "+m" (v) :: "memory" );
+ return val;
+ }
+ static int zadd(int n, volatile int &v) {
+ int old, mod, val;
+ do { val = (old=v)+n; mod = zcmpxchg(old,val,v);
+ } while( mod != old );
+ return val;
+ }
+ static void zmfence() {
+ asm volatile ( " mfence\n" ::: "memory" );
+ }
+
+ zloc_t() : loc(-1) {}
+ ~zloc_t() {}
+ };
+
+ class zlock_t : zloc_t {
+ protected:
+ friend class zblock_t;
+ friend class zrwlock_t;
+ int zlock(int v);
+ int zunlock(int nwakeups=1);
+ static int zemsg1();
+ public:
+ int lock() {
+ int v, ret = zunlikely( (v=zcmpxchg(-1,0,loc)) >= 0 ) ? zlock(v) : 0;
+ return ret;
+ }
+ int unlock() {
+ if( zunlikely(loc < 0) ) { return zemsg1(); }
+ int v, ret = zunlikely( (v=zcmpxchg(0,-1,loc)) != 0 ) ? zunlock() : 0;
+ return ret;
+ }
+ zlock_t() {}
+ ~zlock_t() {}
+ };
+
+ class zblock_t : zlock_t {
+ public:
+ void block() { loc = 0; zwait(0); }
+ void unblock() { if( !loc ) { loc = -1; zwake(INT_MAX); } }
+ zblock_t() {}
+ ~zblock_t() {}
+ };
+
+ class zrwlock_t : zloc_t {
+ zlock_t lk;
+ void zenter();
+ void zleave();
+ void zwrite_enter(int r); // r==0: do nothing, r>0: write_lock
+ void zwrite_leave(int r); // r<0: write_lock while read_lock
+ public:
+ void enter() { zincr(loc); if( zunlikely( lk.loc >= 0 ) ) zenter(); }
+ void leave() { if( zunlikely( !tdecr(loc) ) ) zleave(); }
+ void write_enter(int r=1) { if( r ) zwrite_enter(r); }
+ void write_leave(int r=1) { if( r ) zwrite_leave(r); }
+ zrwlock_t() {}
+ ~zrwlock_t() {}
+ };
+
+#else
+#define ZMPEG3_ZLOCK_INIT { PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER }
+
+ class zlock_t {
+ protected:
+ pthread_mutex_t zlock;
+ public:
+ void lock() { pthread_mutex_lock(&zlock); }
+ void unlock() { pthread_mutex_unlock(&zlock); }
+ zlock_t() { pthread_mutex_init(&zlock, 0); }
+ ~zlock_t() { pthread_mutex_destroy(&zlock); }
+ };
+
+ class zblock_t {
+ pthread_mutex_t zblock;
+ pthread_cond_t cond;
+ public:
+ zblock_t() {
+ pthread_mutex_init(&zblock, 0);
+ pthread_cond_init(&cond, 0);
+ }
+ ~zblock_t() {
+ pthread_mutex_destroy(&zblock);
+ pthread_cond_destroy(&cond);
+ }
+ void block() {
+ pthread_mutex_lock(&zblock);
+ pthread_cond_wait(&cond, &zblock);
+ pthread_mutex_unlock(&zblock);
+ }
+ void unblock() { pthread_cond_broadcast(&cond); }
+ };
+
+ class zrwlock_t : zlock_t {
+ volatile pthread_t blocking;
+ volatile int users;
+ zlock_t lk;
+ pthread_cond_t cond;
+ void wait() { pthread_cond_wait(&cond, &zlock); }
+ void wake() { pthread_cond_signal(&cond); }
+ void zwrite_enter(int r);
+ void zwrite_leave(int r);
+ public:
+ void enter();
+ void leave();
+ void write_enter(int r=1) { if( r ) zwrite_enter(r); }
+ void write_leave(int r=1) { if( r ) zwrite_leave(r); }
+ int count() { return users; }
+
+ zrwlock_t() { pthread_cond_init(&cond, 0); }
+ ~zrwlock_t() { pthread_cond_destroy(&cond); }
+ };
+
+#endif
+
+ // I/O
+
+ // Filesystem structure
+ // We buffer in IO_SIZE buffers. Stream IO would require back
+ // buffering a buffer since the stream must be rewound for packet headers,
+ // sequence start codes, format parsing, decryption, and mpeg3cat.
+
+ class fs_t {
+ int sync() {
+ return buffer->sync(current_byte);
+ }
+ int enter() {
+ buffer->lock();
+ return sync();
+ }
+ void leave() {
+ buffer->unlock();
+ }
+ public:
+ new_memset(0);
+ class css_t;
+
+ class css_t { // Encryption object
+ public:
+ class playkey_t;
+ class keytext_t;
+
+ typedef uint8_t key_t[5];
+ typedef uint8_t blk_t[5];
+ class playkey_t {
+ public:
+ int offset;
+ key_t key;
+ };
+ class keytext_t {
+ public:
+ keytext_t *lt, *rt;
+ uint8_t ktxt[4], ctxt[10];
+ keytext_t(const uint8_t *kp, const uint8_t *cp) {
+ lt = rt = 0;
+ memcpy(&ktxt[0],kp,sizeof(ktxt));
+ memcpy(&ctxt[0],cp,sizeof(ctxt));
+ }
+ ~keytext_t() {}
+ } *key_root;
+ void add_key_text(const uint8_t *kp, const uint8_t *cp);
+ uint8_t *find_key_text(const uint8_t *kp);
+ int attack_pattern(uint8_t const *sec, uint8_t *key);
+ void del_keytexts(keytext_t *p);
+ private:
+ void css_engine(int v,uint8_t const *input, blk_t &output);
+ void crypt_key1(int v, blk_t &key);
+ void crypt_key2(blk_t &key);
+ void crypt_bus_key(blk_t &key);
+ int get_asf();
+ int authenticate_drive(key_t &key);
+ int hostauth(dvd_authinfo *ai);
+ int get_title_key(key_t &key);
+ int get_disk_key(key_t &key);
+ int validate(int do_title);
+ int validate_path(int do_title);
+ int decrypt_title_key(uint8_t *dkey, uint8_t *tkey);
+ public:
+ key_t key1;
+ key_t key2;
+ key_t keycheck;
+ key_t title_key;
+ int lba, fsz, agid, encrypted;
+ char device_path[STRLEN]; // Device where the file is located
+ uint8_t disk_key[DVD_PACKET_SIZE];
+ char challenge[10];
+ int varient;
+ int fd;
+ char path[STRLEN];
+
+ css_t();
+ ~css_t();
+
+ int get_keys(char *fpath);
+ int decrypt_packet(uint8_t *sector, int offset);
+ int crack_title_key(key_t &ckey, key_t &tkey);
+ } css;
+
+ enum access_strategy {
+ io_SINGLE_ACCESS=1,
+ io_UNBUFFERED=2,
+ io_NONBLOCK=4,
+ io_SEQUENTIAL=8,
+ io_THREADED=16,
+ io_ERRFAIL=32,
+ };
+
+ class buffer_t {
+ void unblock();
+ void block();
+ void reader();
+ static void *reader(void *the_buffer);
+ void writer();
+ static void *writer(void *the_buffer);
+ int64_t read_in(int64_t len);
+ int read_fin(int64_t len);
+ int wait_in(int64_t pos);
+ int seek_in(int64_t pos);
+ int seek_to(int64_t pos, int64_t len);
+ int read_to(int64_t pos);
+ zmpeg3_t *src;
+ zlock_t io_lock; // buffer_t access lock
+ zblock_t io_block; // buffer_t access block
+ int errs; // number of consecutive errors
+ uint8_t *data; // Readahead buffer
+ int alloc; // buffer byte allocate
+ int size; // defined bytes in buffer
+ int in; // buffer byte in, owned by read_in
+ int out; // buffer byte out
+ int64_t out_pos; // file offset next byte from last read
+ int64_t file_pos; // file position of next readable byte
+ int64_t file_nudge; // sync position offset
+ int fin; // locked version of in, synced with file_pos
+ pthread_t the_reader; // reader thread if io_THREADED
+ pthread_t the_writer; // writer thread if io_THREADED and recording
+ pthread_t owner; // for debugging
+ int restarted; // reader restarted
+ int reader_done; // reader thread termination flag
+ int writer_done; // writer thread termination flag
+ int wout; // write record file buffer byte out
+ int64_t write_pos; // file_pos written to recd_fd
+ zblock_t write_lock; // write record block
+ public:
+ new_memset(0);
+ buffer_t(zmpeg3_t *zsrc, int access);
+ ~buffer_t();
+ int access_type; // io_ flags
+ int paused; // reader discard data
+ int do_restart; // reader restart buffer
+ int ref_count; // number of fs_t referencing this
+ int open_count; // number of is_open fs_t
+ int fd; // unbuffered file descriptor
+ FILE *fp; // buffered file handle
+ int open_file(char *path);
+ void close_file();
+ void reset();
+ void restart(int lk=1);
+ int64_t tell() { return out_pos; }
+ int64_t file_tell() { return file_pos; }
+ int sync(int64_t pos);
+ int errors() { return errs; }
+ uint32_t next_byte() {
+ return data[out];
+ }
+ uint32_t get_byte() {
+ uint32_t result = next_byte();
+ if( ++out >= alloc ) out = 0;
+ ++out_pos;
+ return result;
+ }
+ int read_out(uint8_t *bfr,int len);
+ int get_fd() {
+ return (access_type & io_UNBUFFERED) ? fd : fileno(fp);
+ }
+ void lock() {
+ if( (access_type & io_SINGLE_ACCESS) )
+ io_lock.lock();
+ if( !data ) data = new uint8_t[alloc];
+ }
+ void unlock() {
+ if( (access_type & io_SINGLE_ACCESS) )
+ io_lock.unlock();
+ }
+ void start_reader();
+ void stop_reader();
+ int start_record();
+ int stop_record();
+ int write_align(int sz);
+ void write_record(int sz, int mask);
+ } *buffer;
+
+ zmpeg3_t *src;
+ char path[STRLEN];
+ int64_t current_byte; // Hypothetical position of file pointer
+ int64_t total_bytes;
+ int is_open;
+
+ fs_t(zmpeg3_t *zsrc, const char *fpath, int access=io_UNBUFFERED+io_SINGLE_ACCESS);
+ fs_t(zmpeg3_t *zsrc, int fd, int access=io_UNBUFFERED+io_SINGLE_ACCESS);
+ fs_t(zmpeg3_t *zsrc, FILE *fp, int access=io_SINGLE_ACCESS);
+ fs_t(fs_t &fs);
+ ~fs_t();
+ int open_file();
+ void close_file();
+ int errors() { return buffer ? buffer->errors() : 0; }
+ int get_fd() { return buffer ? buffer->get_fd() : -1; }
+ int read_data(uint8_t *bfr, int64_t len);
+ uint8_t next_char();
+ uint8_t read_char();
+ uint32_t read_uint16();
+ uint32_t read_uint24();
+ uint32_t read_uint32();
+ uint64_t read_uint64();
+ int seek(int64_t byte);
+ int seek_relative(int64_t bytes);
+ int64_t tell() { return current_byte; }
+ int64_t eof() { return current_byte >= total_bytes; }
+ int64_t bof() { return current_byte < 0; }
+ int64_t get_total_bytes();
+ int64_t ztotal_bytes() { return total_bytes; }
+ void chk_next() {
+ if( ++current_byte >= buffer->file_tell() ) sync();
+ }
+ void restart();
+ int pause_reader(int v);
+ int access() { return !buffer ? 0 : buffer->access_type; }
+ void sequential() { buffer->access_type |= io_SEQUENTIAL; }
+ int start_record(int bsz);
+ int stop_record();
+ void attach(fs_t *zfs);
+ void detach();
+ void close_buffer();
+ };
+
+
+ // Bitstream
+ // next bit in forward direction
+ // next bit in reverse direction |
+ // v v
+ // ... | | | | | | | | |1|1|1|1|1|1|
+ // ^ ^
+ // | bit_number = 1
+ // bfr_size = 6
+
+ class bits_t {
+ public:
+ new_memset(0);
+ zmpeg3_t *src;
+ uint32_t bfr; // bfr = buffer for bits
+ int bit_number; // position of pointer in bfr
+ int bfr_size; // number of bits in bfr. Should always be a multiple of 8
+ demuxer_t *demuxer; // Mpeg2 demuxer
+ uint8_t *input_ptr; // when input_ptr!=0, data is read from it instead of the demuxer.
+
+ bits_t(zmpeg3_t *zsrc, demuxer_t *demux);
+ ~bits_t();
+ int read_buffer(uint8_t *buffer, int byte);
+ void use_ptr(uint8_t *buffer);
+ int eos(uint8_t *ptr) {
+ return input_ptr - (bit_number+7)/8 >= ptr;
+ }
+ int eos(uint8_t *ptr,int bits) {
+ int n = bits - bit_number;
+ if( n <= 0 ) return 0;
+ return input_ptr + (n+7)/8 > ptr;
+ }
+ void use_demuxer();
+ void start_reverse();
+ void start_forward();
+ int refill_ptr();
+ int refill_noptr();
+ int refill() { return input_ptr ? refill_ptr() : refill_noptr(); }
+ int refill_reverse();
+ int open_title(int title);
+ int seek_byte(int64_t position);
+ void reset() { bfr_size = bit_number = 0; }
+ void reset(uint32_t v) { bfr = v; bfr_size = bit_number = 32; }
+ int get_bit_offset() { return bit_number & 7; }
+ void prev_byte_align() { bit_number = (bit_number+7) & ~7; }
+ void next_byte_align() { bit_number &= ~7; }
+ int bof() { return demuxer->zdata.bof() && demuxer->bof(); }
+ int eof() { return demuxer->zdata.eof() && demuxer->eof(); }
+ int error() { return demuxer->error(); }
+ int64_t tell();
+ int next_code(uint32_t zcode);
+ int prev_code(uint32_t zcode);
+ int next_start_code();
+ void pack_bits(uint32_t v, int n) {
+ bfr = (bfr << n) | v;
+ if( (bfr_size+=n) > (int)(8*sizeof(bfr)) )
+ bfr_size = 8*sizeof(bfr);
+ bit_number += n;
+ }
+ void pack_8bits(uint32_t v) { pack_bits(v, 8); }
+ void fill_bits_ptr(int bits) {
+ while( bit_number < bits ) { pack_8bits(*input_ptr++); }
+ }
+ void fill_bits_noptr(int bits) {
+ while( bit_number < bits ) { pack_8bits(demuxer->read_char()); }
+ }
+ void fill_bits(int bits) {
+ return input_ptr ? fill_bits_ptr(bits) : fill_bits_noptr(bits);
+ }
+ uint32_t show_bits_noptr(int bits) {
+ if( bits <= 0 ) return 0;
+ fill_bits_noptr(bits);
+ return (bfr >> (bit_number-bits)) & (0xffffffff >> (32-bits));
+ }
+ uint32_t show_bit_noptr(int bits) { return show_bits_noptr(1); }
+ uint32_t show_byte_noptr() { return show_bits_noptr(8); }
+ uint32_t show_bits24_noptr() { return show_bits_noptr(24); }
+ uint32_t show_bits32_noptr() { fill_bits_noptr(32); return bfr; }
+ int show_bits(int bits) {
+ if( bits <= 0 ) return 0;
+ fill_bits(bits);
+ return (bfr >> (bit_number-bits)) & (0xffffffff >> (32-bits));
+ }
+ uint32_t get_bits_noptr(int bits) {
+ uint32_t result = show_bits_noptr(bits);
+ bit_number -= bits;
+ return result;
+ }
+ uint32_t get_bit_noptr() { return get_bits_noptr(1); }
+ int get_bits(int bits) {
+ uint32_t result = show_bits(bits);
+ bit_number -= bits;
+ return result;
+ }
+ uint32_t get_byte_noptr() { return get_bits_noptr(8); }
+ uint32_t get_bits24_noptr() { return get_bits_noptr(24); }
+ void fill_bits_reverse(int bits) {
+ int n = (bit_number & ~7);
+ if( n ) { bfr >>= n; bfr_size -= n; bit_number -= n; }
+ n = bit_number + bits;
+ while( bfr_size < n ) {
+ uint32_t prev_byte = input_ptr ?
+ *--input_ptr : demuxer->read_prev_char();
+ bfr |= prev_byte << bfr_size;
+ bfr_size += 8;
+ }
+ }
+ int show_bits_reverse(int bits) {
+ fill_bits_reverse(bits);
+ return (bfr >> bit_number) & (0xffffffff >> (32 - bits));
+ }
+ int get_bits_reverse(int bits) {
+ uint32_t result = show_bits_reverse(bits);
+ bit_number += bits;
+ return result;
+ }
+ };
+
+
+ class index_t {
+ public:
+ new_memset(0);
+ float **index_data; // Buffer of frames for index. A frame is a high/low pair.
+ int index_allocated; // Number of frames allocated in each index channel.
+ int index_channels; // Number of index channels allocated
+ int index_size; // Number of high/low pairs in index channel
+ int index_zoom; // Downsampling of index buffers when constructing index
+
+ index_t();
+ ~index_t();
+ };
+
+
+ class bitfont_t {
+ public:
+ class bitchar_t;
+ static bitfont_t *fonts[];
+ static int total_fonts;
+ static int font_refs;
+ static void init_fonts();
+ static void destroy_fonts();
+ class static_init_t {
+ public:
+ static_init_t();
+ ~static_init_t();
+ };
+ class bitchar_t {
+ public:
+ uint16_t ch;
+ int16_t left, right;
+ int16_t ascent, decent;
+ uint8_t *bitmap;
+ } *chrs;
+ int16_t nch, idx, idy, imy;
+ };
+ static bitfont_t *bitfont(int style,int pen_size,int italics,int size);
+
+ class timecode_t {
+ public:
+ new_memset(0);
+ int hour;
+ int minute;
+ int second;
+ int frame;
+
+ timecode_t() {}
+ ~timecode_t() {}
+ };
+
+
+ class audio_t {
+ public:
+ new_memset(0);
+ class imdct_complex_t;
+ class imdct_al_table_t;
+ class audio_decoder_layer_t;
+ class audio_decoder_ac3_t;
+ class audio_decoder_pcm_t;
+ class ac3audblk_t; /*???*/
+
+ enum {
+ AC3_N = 512,
+ MAXFRAMESIZE = 4096,
+ MAXFRAMESAMPLEZ = MAXFRAMESAMPLES,
+ HDRCMPMASK = 0xfffffd00,
+ SBLIMIT = 32,
+ SSLIMIT = 18,
+ SCALE_BLOCK = 12,
+ MPEG3AUDIO_PADDING = 1024,
+ MAX_AC3_FRAMESIZE = 1920 * 2 + 512,
+ };
+
+ enum exponent_type { // Exponent strategy constants
+ exp_REUSE=0,
+ exp_D15=1,
+ exp_D25=2,
+ exp_D45=3,
+ };
+
+ enum delta_type { // Delta bit allocation constants
+ bit_REUSE=0,
+ bit_NEW=1,
+ bit_NONE=2,
+ bit_RESERVED=3,
+ };
+
+ enum mpg_md { // Values for mode
+ md_STEREO=0,
+ md_JOINT_STEREO=1,
+ md_DUAL_CHANNEL=2,
+ md_MONO=3,
+ };
+
+ enum { PCM_HEADERSIZE = 20, };
+
+ enum id3_state {
+ id3_IDLE=0, // No ID3 tag found
+ id3_HEADER=1, // Reading header
+ id3_SKIP=2, // Skipping ID3 tag
+ };
+
+ // IMDCT variables
+ class imdct_complex_t {
+ public:
+ float real;
+ float imag;
+ };
+
+ class imdct_al_table_t {
+ public:
+ short bits;
+ short d;
+ };
+
+ zmpeg3_t *src;
+ atrack_t *track;
+
+ class l3_info_t {
+ public:
+ int scfsi;
+ uint32_t part2_3_length;
+ uint32_t big_values;
+ uint32_t scalefac_compress;
+ uint32_t block_type;
+ uint32_t mixed_block_flag;
+ uint32_t table_select[3];
+ uint32_t subblock_gain[3];
+ uint32_t maxband[3];
+ uint32_t maxbandl;
+ uint32_t maxb;
+ uint32_t region1start;
+ uint32_t region2start;
+ uint32_t preflag;
+ uint32_t scalefac_scale;
+ uint32_t count1table_select;
+ float *full_gain[3];
+ float *pow2gain;
+ };
+
+ class l3_sideinfo_t {
+ public:
+ uint32_t main_data_begin;
+ uint32_t private_bits;
+ class { public: l3_info_t gr[2]; } ch[2];
+ };
+
+ class audio_decoder_layer_t {
+ static int tabsel_123[2][3][16];
+ static long freqs[9];
+ static float decwin[512 + 32];
+ static float cos64[16], cos32[8], cos16[4], cos8[2], cos4[1];
+ static float *pnts[5];
+ static int grp_3tab[32 * 3]; /* used: 27 */
+ static int grp_5tab[128 * 3]; /* used: 125 */
+ static int grp_9tab[1024 * 3]; /* used: 729 */
+ static float muls[27][64]; /* also used by layer 1 */
+ static float gainpow2[256 + 118 + 4];
+ static long intwinbase[257];
+ static float ispow[8207];
+ static float aa_ca[8], aa_cs[8];
+ static float win[4][36];
+ static float win1[4][36];
+ static float COS1[12][6];
+ static float COS9[9];
+ static float COS6_1, COS6_2;
+ static float tfcos36[9];
+ static float tfcos12[3];
+ static float cos9[3], cos18[3];
+ static float tan1_1[16], tan2_1[16], tan1_2[16], tan2_2[16];
+ static float pow1_1[2][16], pow2_1[2][16];
+ static float pow1_2[2][16], pow2_2[2][16];
+ static int longLimit[9][23];
+ static int shortLimit[9][14];
+ static class bandInfoStruct {
+ public:
+ int longIdx[23], longDiff[22];
+ int shortIdx[14], shortDiff[13];
+ } bandInfo[9];
+ static int mapbuf0[9][152];
+ static int mapbuf1[9][156];
+ static int mapbuf2[9][44];
+ static int *map[9][3];
+ static int *mapend[9][3];
+ static uint32_t n_slen2[512]; /* MPEG 2.0 slen for 'normal' mode */
+ static uint32_t i_slen2[256]; /* MPEG 2.0 slen for intensity stereo */
+
+ static short tab0 [ 1], tab1 [ 7], tab2 [17], tab3[ 17];
+ static short tab5 [ 31], tab6 [ 31], tab7 [71], tab8[ 71];
+ static short tab9 [ 71], tab10[127], tab11[127], tab12[127];
+ static short tab13[511], tab15[511], tab16[511], tab24[511];
+ static short tab_c0[31], tab_c1[31];
+ static class huffman_t {
+ public:
+ unsigned int linbits;
+ short *table;
+ } ht[32], htc[2];
+
+ static int dct64_1(float *out0,float *out1,float *b1,float *b2,
+ float *samples);
+ static int dct64(float *a,float *b,float *c);
+ static int dct36(float *inbuf,float *o1,float *o2,float *wintab,
+ float *tsbuf);
+ static int dct12(float *in,float *rawout1,float *rawout2,float *wi,
+ float *ts);
+
+ int get_scale_factors_1(int *scf,l3_info_t *l3_info,int ch,int gr);
+ int get_scale_factors_2(int *scf,l3_info_t *l3_info,int i_stereo);
+ int dequantize_sample(float xr[SBLIMIT][SSLIMIT],int *scf,
+ l3_info_t *l3_info,int sfreq,int part2bits);
+ int get_side_info(l3_sideinfo_t *si,int channels,int ms_stereo,
+ long sfreq,int single,int lsf);
+ int hybrid(float fsIn[SBLIMIT][SSLIMIT],
+ float tsOut[SSLIMIT][SBLIMIT],int ch,l3_info_t *l3_info);
+ int antialias(float xr[SBLIMIT][SSLIMIT],l3_info_t *l3_info);
+ int calc_i_stereo(float xr_buf[2][SBLIMIT][SSLIMIT],int *scalefac,
+ l3_info_t *l3_info,int sfreq,int ms_stereo,int lsf);
+ int synth_stereo(float *bandPtr,int channel,float *out, int *pnt);
+ int init_audio(zmpeg3_t *zsrc, atrack_t *ztrack, int zformat);
+ int synths_reset();
+ int select_table();
+ int step_one(uint8_t *bit_alloc, int *scale);
+ int step_two(uint8_t *bit_alloc, float fraction[2][4][SBLIMIT],
+ int *scale, int x1);
+ public:
+ new_memset(0);
+ bits_t *stream;
+ // Layer 3
+ uint8_t *bsbuf, *prev_bsbuf;
+ uint8_t bsspace[2][MAXFRAMESIZE + 512]; // MAXFRAMESIZE
+ int bsnum;
+ // For mp3 current framesize without header. For AC3 current framesize with header.
+ long framesize;
+ long prev_framesize, past_framesize;
+ int channels;
+ int samplerate;
+ int single;
+ int sampling_frequency_code;
+ int error_protection;
+ int mode;
+ int mode_ext;
+ int lsf;
+ long ssize;
+ int mpeg35;
+ int padding;
+ int layer;
+ int extension;
+ int copyright;
+ int original;
+ int emphasis;
+ int bitrate;
+ // Static variable in synthesizer
+ int bo;
+ // Ignore first frame after a seek
+ int first_frame;
+ float synth_stereo_buffs[2][2][0x110];
+ float synth_mono_buff[64];
+ float mp3_block[2][2][SBLIMIT * SSLIMIT];
+ int mp3_blc[2];
+
+ // State of ID3 parsing
+ int id3_state;
+ int id3_current_byte;
+ int id3_size;
+ // Layer 2
+ int bitrate_index;
+ imdct_al_table_t *alloc;
+ int jsbound;
+ int II_sblimit;
+ uint8_t layer2_scfsi_buf[64];
+
+ void layer_reset();
+ static int layer_check(uint8_t *data);
+ static int id3_check(uint8_t *data);
+ int layer3_header(uint8_t *data);
+ audio_decoder_layer_t();
+ ~audio_decoder_layer_t();
+ int do_layer2(uint8_t *zframe,int zframe_size,float **zoutput,int render);
+ int do_layer3(uint8_t *zframe,int zframe_size,float **zoutput,int render);
+ int init_layer2();
+ int init_layer3();
+ int init_decode_tables();
+ } *layer_decoder;
+
+ class audio_decoder_ac3_t {
+ public:
+ new_memset(0);
+ static int ac3_samplerates[3];
+
+ bits_t *stream;
+ int samplerate;
+ int bitrate;
+ int flags;
+ int channels;
+ a52_state_t *state;
+ sample_t *output;
+ int framesize;
+ static int ac3_check(uint8_t *data);
+ int ac3_header(uint8_t *data);
+ int do_ac3(uint8_t *zframe, int zframe_size, float **zoutput, int render);
+ audio_decoder_ac3_t();
+ ~audio_decoder_ac3_t();
+ } *ac3_decoder;
+
+ class audio_decoder_pcm_t {
+ public:
+ new_memset(0);
+ int samplerate;
+ int bits;
+ int channels;
+ int framesize;
+ int pcm_header(uint8_t *data);
+ int do_pcm(uint8_t *zframe, int zframe_size, float **zoutput, int render);
+ audio_decoder_pcm_t() {}
+ ~audio_decoder_pcm_t() {}
+ } *pcm_decoder;
+
+ int channels; // channels from read_header
+ int samplerate; // samplerate from read_header
+ int framenum; // Number of current frame being decoded
+ int framesize; // Size of frame including header
+ int64_t start_byte; // First byte of audio data in the file
+ int output_channels; // number of defined output buffers
+ float **output; // Output from synthesizer in linear floats
+ int output_size; // Number of pcm samples in the buffer
+ int output_allocated; // Allocated number of samples in output
+ int64_t output_position; // Sample position in file of start of output buffer
+ int64_t sample_seek; // Perform a seek to the sample
+ int64_t byte_seek; // Perform a seek to the absolute byte
+ // +/- number of samples of difference between audio and video
+ int seek_correction;
+ // Buffer containing current packet
+ uint8_t packet_buffer[MAXFRAMESIZE];
+ // Position in packet buffer of next byte to read
+ int packet_position;
+
+ audio_t() {}
+ int init_audio(zmpeg3_t *zsrc, atrack_t *ztrack, int zformat);
+ ~audio_t();
+
+ int rewind_audio();
+ int read_header();
+ void update_channels();
+ int audio_pts_padding();
+ int audio_pts_skipping(int samples);
+ void update_audio_history();
+ int read_frame(int render);
+ int get_length();
+ int seek();
+ int seek_byte(int64_t byte);
+ int seek_sample(long sample);
+ int read_raw(uint8_t *output,long *size,long max_size);
+ void shift_audio(int64_t diff);
+ int decode_audio(void *output_v,int atyp,int channel,int len);
+ int64_t audio_position() { return output_position + output_size; }
+ };
+
+ class VLCtab_t {
+ public:
+ int8_t val, len;
+ };
+
+ class DCTtab_t {
+ public:
+ int8_t run, level;
+ int16_t len;
+ };
+
+ class slice_buffer_t {
+ static VLCtab_t DClumtab0[32];
+ static VLCtab_t DClumtab1[16];
+ static VLCtab_t DCchromtab0[32];
+ static VLCtab_t DCchromtab1[32];
+
+ public:
+ slice_buffer_t *next; // avail list link
+ uint8_t *data; // Buffer for holding the slice data
+ video_t *video; // decoder
+ int buffer_size; // Size of buffer
+ int buffer_allocation; // Space allocated for buffer
+ int buffer_position; // Position in buffer
+ uint32_t bits;
+ int bits_size;
+
+ int eob() { return buffer_position >= buffer_size; }
+ uint32_t get_data_byte() { return data[buffer_position++]; }
+ void fill_bits(int nbits) {
+ while( bits_size < nbits ) {
+ bits <<= 8;
+ if( !eob() ) bits |= get_data_byte();
+ bits_size += 8;
+ }
+ }
+ void flush_bits(int nbits) { fill_bits(nbits); bits_size -= nbits; }
+ void flush_bit() { flush_bits(1); }
+ uint32_t show_bits(int nbits) {
+ fill_bits(nbits);
+ return (bits >> (bits_size-nbits)) & (0xffffffff >> (32-nbits));
+ }
+ uint32_t get_bits(int nbits) {
+ uint32_t result = show_bits(nbits);
+ bits_size -= nbits;
+ return result;
+ }
+ uint32_t get_bit() { return get_bits(1); }
+ int get_dc_lum();
+ int get_dc_chrom();
+ uint8_t *expand_buffer(int bfrsz);
+ void fill_buffer(bits_t *vstream);
+ int ext_bit_info();
+
+ slice_buffer_t();
+ ~slice_buffer_t();
+ };
+
+
+ class video_t {
+ static uint8_t zig_zag_scan_nommx[64]; // zig-zag scan
+ static uint8_t alternate_scan_nommx[64]; // alternate scan
+ // default intra quantization matrix
+ static uint8_t default_intra_quantizer_matrix[64];
+ // Frame rate table must agree with the one in the encoder
+ static double frame_rate_table[16];
+
+ inline void recon_comp(uint8_t *s, uint8_t *d,
+ int lx, int lx2, int h, int type);
+ void recon(uint8_t *src[], int sfield,
+ uint8_t *dst[], int dfield, int lx, int lx2,
+ int w, int h, int x, int y, int dx, int dy, int addflag);
+ int delete_decoder();
+ void init_scantables();
+ int read_frame_backend(int skip_bframes);
+ int *get_scaletable(int input_w, int output_w);
+ int get_gop_header();
+ long gop_to_frame(timecode_t *gop_timecode);
+ int seek();
+
+ public:
+ new_memset(0);
+ class cc_t;
+
+ enum chroma_format {
+ cfmt_420=1,
+ cfmt_422=2,
+ cfmt_444=3,
+ };
+
+ enum ext_start_code {
+ ext_id_SEQ=1,
+ ext_id_DISP=2,
+ ext_id_QUANT=3,
+ ext_id_SEQSCAL=5,
+ ext_id_PANSCAN=7,
+ ext_id_CODING=8,
+ ext_id_SPATSCAL=9,
+ ext_id_TEMPSCAL=10,
+ };
+
+ enum picture_type {
+ pic_type_I=1,
+ pic_type_P=2,
+ pic_type_B=3,
+ pic_type_D=4,
+ };
+
+ enum picture_structure {
+ pics_TOP_FIELD=1,
+ pics_BOTTOM_FIELD=2,
+ pics_FRAME_PICTURE=3,
+ };
+
+ slice_buffer_t *slice_buffers, *avail_slice_buffers;
+ int total_slice_buffers;
+ void allocate_slice_buffers();
+ void delete_slice_buffers();
+ void reallocate_slice_buffers();
+ zlock_t slice_lock, slice_wait, slice_active;
+ int slice_wait_locked, slice_active_locked;
+
+ zmpeg3_t *src;
+ vtrack_t *track;
+
+ // ================================= Seeking variables =========================
+ bits_t *vstream;
+ int decoder_initted;
+ uint8_t **output_rows; // Output frame buffer supplied by user
+ int in_x, in_y, in_w, in_h, out_w, out_h; // Output dimensions
+ int row_span;
+ int *x_table, *y_table; // Location of every output pixel in the input
+ int color_model;
+ int want_yvu; // Want to return a YUV frame
+ char *y_output, *u_output, *v_output; // Output pointers for a YUV frame
+
+ int blockreadsize;
+ int maxframe; // Max value of frame num to read
+ int64_t byte_seek; // Perform absolute byte seek before the next frame is read
+ int frame_seek; // Perform a frame seek before the next frame is read
+ int framenum; // Number of the next frame to be decoded
+ int last_number; // Last framenum rendered
+ int ref_frames; // ref_frames since last seek
+ int found_seqhdr;
+ int bitrate;
+ timecode_t gop_timecode; // Timecode for the last GOP header read.
+ int has_gops; // Some streams have no GOPs so try sequence start codes instead
+
+ class cc_t { // close captioning (atsc only)
+ video_t *video;
+ uint8_t data[3][128]; // reorder buffers
+ int frs_history, font_size;
+ void decode(int idx);
+ public:
+ class svc_t;
+
+ enum {
+ MX_SVC = 64, MX_WIN=8,MX_CX=48,MX_CY=16,
+ /* frame struct history */
+ frs_tf1 = 0x01, /* top field in data[1] */
+ frs_bf2 = 0x02, /* bottom field in data[2] */
+ frs_frm = 0x04, /* frame in data[1] */
+ frs_prc = 0x08, /* frame processed */
+ st_unmap=-1, st_hidden=0, st_visible=1, /* state */
+ dir_rt=0, dir_lt=1, dir_up=2, dir_dn=3, /* print/scroll/effect dir */
+ jfy_left=0, jfy_right=1, jfy_center=2, jfy_full=3, /* justify */
+ eft_snap = 0, eft_fade = 1, eft_wipe = 2, /* effect */
+ oty_solid=0, oty_flash=1, oty_translucent=2,
+ oty_transparent=3, bdr_width=5, /* opacity/border width */
+ edg_none=0, edg_raised=1, edg_depressed=2, edg_uniform=3,
+ edg_shadow_left=4, edg_shadow_right=5, /* edge type */
+ psz_small=0, psz_standard=1, psz_large=2, /* pen size */
+ fst_default=0, fst_mono_serif=1, fst_prop_serif=2,
+ fst_mono_sans=3, fst_prop_sans=4, fst_casual=5,
+ fst_cursive=6, fst_small_caps=7, /* font style */
+ fsz_small=0, fsz_normal=1, fsz_large=2, /* font size */
+ tag_dialog=0, tag_source_id=1, tag_device=2,
+ tag_dialog_2=3, tag_voiceover=4, tag_audible_transl=5,
+ tag_subtitle_transl=6, tag_voice_descr=7, tag_lyrics=8,
+ tag_effect_descr=9, tag_score_descr=10, tag_expletive=11,
+ tag_not_displayable=15, /* text tag */
+ ofs_subscript=0, ofs_normal=1, ofs_superscript=2, /* offset */
+ };
+ /* color RGB 2:2:2 (lsb = B). */
+ class svc_t {
+ cc_t *cc;
+ int sid, ctrk, size;
+ uint8_t *bp, *ep;
+ uint8_t data[128];
+ public:
+ class chr_t {
+ public:
+ uint16_t glyph;
+ uint8_t fg_opacity : 2;
+ uint8_t fg_color : 6;
+ uint8_t bg_opacity : 2;
+ uint8_t bg_color : 6;
+ uint8_t pen_size : 2;
+ uint8_t edge_color : 6;
+ uint8_t italics : 1;
+ uint8_t edge_type : 3;
+ uint8_t underline : 1;
+ uint8_t font_style : 3;
+ uint8_t font_size : 2;
+ uint8_t offset : 2;
+ uint8_t text_tag : 4;
+ uint8_t rsvd2;
+ } *bfrs;
+ chr_t *get_bfr();
+ void bfr_put(chr_t *&bfr);
+
+ class win_t;
+ class win_t {
+ public:
+ class chr_attr_t;
+ int8_t id, st, pdir, sdir;
+ uint8_t cx, cy, cw, ch; /* pen/dim in bytes */
+ int ax, ay, x, y, bw; /* anchor/pen/border in pixels */
+ uint32_t fg_yuva, bg_yuva, edge_yuva; /* pen color */
+ uint32_t fill_yuva, border_yuva; /* window color */
+ int start_frame, end_frame;
+ svc_t *svc;
+ subtitle_t *subtitle;
+ uint8_t anchor_point, anchor_horizontal, anchor_vertical;
+ uint8_t anchor_relative, row_lock, col_lock, dirty;
+ uint8_t priority, window_style, pen_style;
+ /* pen style properties */
+ uint8_t pen_size, font_style, offset, italics, underline;
+ uint8_t fg_color, fg_opacity, bg_color, bg_opacity;
+ uint8_t text_tag, edge_color, edge_type, scale;
+ /* window style properties */
+ uint8_t justify, wordwrap, fill_opacity, fill_color;
+ uint8_t display_effect, effect_speed, effect_direction;
+ uint8_t border_type, border_color, border_width;
+ chr_t *bfr;
+
+ win_t();
+ ~win_t();
+ void reset(int i,svc_t *svc);
+ int BS(); int FF(); int CR(); int HCR();
+ int init(int ncw, int nch);
+ int resize(int ncw, int nch);
+ static int is_breakable(int b);
+ int wrap();
+ int ovfl();
+ int store(int ch);
+ void set_window_style(int i);
+ void set_pen_style(int i);
+ void default_window();
+ void print_buffer();
+ void hbar(int x, int y, int ww, int hh, int lm, int rm, int clr);
+ void vbar(int x, int y, int ww, int hh, int tm, int bm, int clr);
+ void border(int ilt, int olt, int irt, int ort,
+ int iup, int oup, int idn, int odn);
+ void put_chr(chr_t *chr);
+ static bitfont_t *chr_font(chr_t *bp, int scale);
+ void render();
+ void output_text();
+ void set_state(int8_t st);
+ } win[MX_WIN], *curw;
+ svc_t(cc_t *cc);
+ ~svc_t();
+ int id() { return sid; }
+ int trk() { return ctrk; }
+ void append(uint8_t *bp, int len);
+ void decode();
+ int render();
+ void reset(int sid,cc_t *cc);
+ int CWx(int id); int DFz(int id);
+ int DFx(int id); int RSVD(); int ETX();
+ int BS(); int FF(); int CR(); int HCR();
+ int RST(); int DLC(); int DLW(); int DLY();
+ int CLW(); int DSW(); int HDW(); int TGW();
+ int SPA(); int SPC(); int SPL(); int SWA();
+ int command(int cmd);
+ static uint32_t pen_yuva(int color, int opacity);
+ } svc;
+
+ cc_t(video_t *video);
+ ~cc_t();
+ void reset();
+ void get_atsc_data(bits_t *v);
+ void decode();
+ void reorder();
+ zcc_text_cb text_cb;
+ } *cc;
+ cc_t *get_cc();
+ int subtitle_track; // Subtitle track to composite if >= 0
+ int show_subtitle(int strk);
+
+ // These are only available from elementary streams.
+ int frames_per_gop; // Frames per GOP after the first GOP.
+ int first_gop_frames; // Frames in the first GOP.
+ int first_frame; // Number of first frame stored in timecode
+ int last_frame; // Last frame in file
+
+ // ================================= Compression variables =====================
+ // Malloced frame buffers. 2 refframes are swapped in and out.
+ // while only 1 auxframe is used.
+ uint8_t *yuv_buffer[5]; // Make YVU buffers contiguous for all frames
+ uint8_t *oldrefframe[3], *refframe[3], *auxframe[3];
+ uint8_t *llframe0[3], *llframe1[3];
+ uint8_t *zigzag_scan_table;
+ uint8_t *alternate_scan_table;
+ // Source for the next frame presentation
+ uint8_t *output_src[3];
+ // Pointers to frame buffers.
+ uint8_t *newframe[3];
+ uint8_t *tdat;
+ int horizontal_size, vertical_size, mb_width, mb_height;
+ int coded_picture_width, coded_picture_height;
+ int chroma_format, chrom_width, chrom_height, blk_cnt;
+ int8_t pict_type, pict_struct, field_sequence, intravlc;
+ int8_t forw_r_size, back_r_size, full_forw, full_back;
+ int8_t prog_seq, prog_frame, repeatfirst, secondfield;
+ int8_t h_forw_r_size, v_forw_r_size, h_back_r_size, v_back_r_size;
+ int8_t dc_prec, topfirst, frame_pred_dct, conceal_mv;
+ union {
+ struct { int8_t got_top, got_bottom, repeat_fields, current_field; };
+ int32_t repeat_data;
+ };
+ int skip_bframes;
+ int frame_time, seek_time;
+ int stwc_table_index, llw, llh, hm, hn, vm, vn;
+ int lltempref, llx0, lly0, llprog_frame, llfieldsel;
+ int matrix_coefficients;
+ int framerate_code;
+ double frame_rate;
+ int *cr_to_r, *crb_to_g, *cb_to_b;
+ int intra_quantizer_matrix[64], non_intra_quantizer_matrix[64];
+ int chroma_intra_quantizer_matrix[64], chroma_non_intra_quantizer_matrix[64];
+ int mpeg2;
+ int skim; // skip reconstruction/motion
+ int thumb, ithumb; // thumbnail scan/ thumbnail frame ready
+ int qscale_type, altscan; // picture coding extension
+ int pict_scal; // picture spatial scalable extension
+ int scalable_mode; // sequence scalable extension
+
+ // Subtitling frame
+ uint8_t *subtitle_frame[3];
+
+ video_t(zmpeg3_t *zsrc, vtrack_t *ztrack);
+ ~video_t();
+ void init_video();
+ int seek_video() { return seek(); }
+ void reset_subtitles();
+ int eof();
+
+ int set_cpus(int cpus);
+ int set_mmx(int use_mmx);
+ void cache_frame();
+ int drop_frames(long frames, int cache_it);
+ int colormodel();
+ int read_frame(uint8_t **output_rows,
+ int in_x, int in_y, int in_w, int in_h,
+ int out_w, int out_h, int color_model);
+ int read_yuvframe(char *y_output, char *u_output, char *v_output,
+ int in_x, int in_y, int in_w, int in_h);
+ int read_yuvframe_ptr(char **y_output, char **u_output, char **v_output);
+ int read_raw(uint8_t *output, long *size, long max_size);
+ int seek_frame(long frame);
+ int seek_byte(int64_t byte);
+ int rewind_video(int preload=1);
+ int previous_frame();
+ int init_decoder();
+ void new_output();
+ int reconstruct( int bx, int by, int mb_type, int motion_type,
+ int PMV[2][2][2], int mv_field_sel[2][2],
+ int dmvector[2], int stwtype);
+ void dump();
+ slice_buffer_t *get_slice_buffer();
+ void put_slice_buffer(slice_buffer_t* buffer);
+ int get_macroblocks();
+ int display_second_field();
+ int video_pts_padding();
+ int video_pts_skipping();
+ int read_picture();
+ int get_picture();
+ int get_seq_hdr();
+ int sequence_extension();
+ int sequence_display_extension();
+ int quant_matrix_extension();
+ int sequence_scalable_extension();
+ int picture_display_extension();
+ int picture_coding_extension();
+ int picture_spatial_scalable_extension();
+ int picture_temporal_scalable_extension();
+ int ext_user_data();
+ int get_picture_hdr();
+ int find_header();
+ int get_header();
+ void overlay_subtitle(subtitle_t *subtitle);
+ void decode_subtitle();
+ int init_output();
+ int dither_frame(uint8_t *yy, uint8_t *uu, uint8_t *vv,uint8_t **output_rows);
+ int dither_frame444(uint8_t *yy, uint8_t *uu, uint8_t *vv);
+ int dithertop(uint8_t *yy, uint8_t *uu, uint8_t *vv);
+ int dithertop444(uint8_t *yy, uint8_t *uu, uint8_t *vv);
+ int ditherbot(uint8_t *yy, uint8_t *uu, uint8_t *vv);
+ int ditherbot444(uint8_t *yy, uint8_t *uu, uint8_t *vv);
+ int present_frame(uint8_t *yy, uint8_t *uu, uint8_t *vv);
+ void calc_dmv(int DMV[][2],int *dmvector,int mvx,int mvy);
+ int is_refframe() { return pict_type == pic_type_B ? 0 :
+ pict_struct == pics_FRAME_PICTURE ? 1 : secondfield;
+ }
+ };
+
+
+ class slice_decoder_t {
+ public:
+ static VLCtab_t PMBtab0[8];
+ static VLCtab_t PMBtab1[8];
+ static VLCtab_t BMBtab0[16];
+ static VLCtab_t BMBtab1[8];
+ static VLCtab_t spIMBtab[16];
+ static VLCtab_t spPMBtab0[16];
+ static VLCtab_t spPMBtab1[16];
+ static VLCtab_t spBMBtab0[14];
+ static VLCtab_t spBMBtab1[12];
+ static VLCtab_t spBMBtab2[8];
+ static VLCtab_t SNRMBtab[8];
+ static VLCtab_t MVtab0[8];
+ static VLCtab_t MVtab1[8];
+ static VLCtab_t MVtab2[12];
+ static VLCtab_t CBPtab0[32];
+ static VLCtab_t CBPtab1[64];
+ static VLCtab_t CBPtab2[8];
+ static VLCtab_t MBAtab1[16];
+ static VLCtab_t MBAtab2[104];
+
+ static DCTtab_t DCTtabfirst[12];
+ static DCTtab_t DCTtabnext[12];
+ static DCTtab_t DCTtab0[60];
+ static DCTtab_t DCTtab0a[252];
+ static DCTtab_t DCTtab1[8];
+ static DCTtab_t DCTtab1a[8];
+ static DCTtab_t DCTtab2[16];
+ static DCTtab_t DCTtab3[16];
+ static DCTtab_t DCTtab4[16];
+ static DCTtab_t DCTtab5[16];
+ static DCTtab_t DCTtab6[16];
+
+ // non-linear quantization coefficient table
+ static uint8_t non_linear_mquant_table[32];
+
+ enum macroblock_type {
+ mb_INTRA=1,
+ mb_PATTERN=2,
+ mb_BACKWARD=4,
+ mb_FORWARD=8,
+ mb_QUANT=16,
+ mb_WEIGHT=32,
+ mb_CLASS4=64,
+ };
+
+ enum motion_type {
+ mc_FIELD=1,
+ mc_FRAME=2,
+ mc_16X8=2,
+ mc_DMV=3,
+ };
+
+ enum mv_format {
+ mv_FIELD=0,
+ mv_FRAME=1,
+ };
+
+ enum scalable_mode {
+ sc_NONE=0,
+ sc_DP=1,
+ sc_SPAT=2,
+ sc_SNR=3,
+ sc_TEMP=4,
+ };
+
+ slice_decoder_t *next;
+ zmpeg3_t *src;
+ video_t *video;
+ pthread_t owner; // for debugging
+ slice_buffer_t *slice_buffer;
+ int fault;
+ int done;
+ int quant_scale;
+ int pri_brk; // slice/macroblock
+ short block[12][64];
+ int sparse[12];
+ pthread_t tid; // ID of thread
+ zlock_t input_lock;
+
+ int val, sign, idx;
+ int get_cbp();
+ int clear_block(int comp, int size);
+ static uint16_t *DCTlutab[3];
+ static uint16_t lu_pack(DCTtab_t *lp) {
+ int run = lp->run>=64 ? lp->run-32 : lp->run;
+ return run | ((lp->len-1)<<6) | (lp->level<<10);
+ }
+ static int lu_run(uint16_t lu) { return lu & 0x3f; }
+ static int lu_level(uint16_t lu) { return lu >> 10; }
+ static int lu_len(uint16_t lu) { return ((lu>>6) & 0x0f) + 1; }
+ static void init_lut(uint16_t *&lutbl, DCTtab_t *tabn, DCTtab_t *tab0, DCTtab_t *tab1);
+ static void init_tables();
+ int get_coef(uint16_t *lut);
+ int get_mpg2_coef(uint16_t *lut);
+ void get_intra_block(int comp, int dc_dct_pred[]);
+ void get_mpg2_intra_block(int comp, int dc_dct_pred[]);
+ void get_inter_block(int comp);
+ void get_mpg2_inter_block(int comp);
+ int get_slice_hdr();
+ int decode_slice();
+ void slice_loop();
+ static void *the_slice_loop(void *the_slice_decoder);
+ int get_mv();
+ int get_dmv();
+ void motion_vector(int *PMV, int *dmvector, int h_r_size, int v_r_size,
+ int dmv, int mvscale, int full_pel_vector);
+ int motion_vectors(int PMV[2][2][2], int dmvector[2], int mv_field_sel[2][2],
+ int s, int mv_count, int mv_format, int h_r_size, int v_r_size,
+ int dmv, int mvscale);
+ int get_macroblock_address();
+ inline int getsp_imb_type();
+ inline int getsp_pmb_type();
+ inline int getsp_bmb_type();
+ inline int get_imb_type();
+ inline int get_pmb_type();
+ inline int get_bmb_type();
+ inline int get_dmb_type();
+ inline int get_snrmb_type();
+ int get_mb_type();
+ int macroblock_modes(int *pmb_type,int *pstwtype, int *pstwclass,
+ int *pmotion_type,int *pmv_count,int *pmv_format,int *pdmv,
+ int *pmvscale,int *pdct_type);
+ int add_block(int comp,int bx,int by,int dct_type,int addflag);
+ static void idct_conversion(short* block);
+ int get_active_slice_buffer();
+
+ slice_decoder_t();
+ ~slice_decoder_t();
+ } *slice_decoders, *avail_slice_decoders;
+
+ int total_slice_decoders;
+ slice_buffer_t *active_slice_buffers;
+ zlock_t decoder_lock, decoder_active;
+ int decoder_active_locked;
+ void allocate_slice_decoders();
+ void delete_slice_decoders();
+ void reallocate_slice_decoders();
+ void decode_slice(slice_buffer_t* buffer);
+
+
+ class subtitle_t {
+ public:
+ new_memset(0);
+ uint8_t *data; // Raw data of subtitle
+ int data_allocated, data_used;
+ int id; // Number of stream starting at 0x20
+ int done; // -1 avail, 0 read in, 1 decode
+ int active; // 1 subtitle is contructed, -1 subtitle is close caption
+ int draw; // -1 never draw, 0 draw based on frame time, 1 always draw
+ int64_t offset; // Program offset of start of subtitle
+ int force; // 1 Force display, -1 force delete
+ // image in YUV444
+ int w, h, sz;
+ uint8_t *image_y, *image_u, *image_v, *image_a;
+ int x1, x2, y1, y2;
+ int start_time; // Time after detection of subtitle to display it in msec
+ int stop_time; // Time after detection of subtitle to hide it in msec
+ int palette[4]; // Indexes in the main palette
+ int alpha[4];
+ int start_frame, stop_frame; // framenum start/stop drawing
+ int frame_time; // presentation frame_time at creation
+
+ subtitle_t();
+ subtitle_t(int nid, int ww, int hh);
+ ~subtitle_t();
+
+ void realloc_data(int count);
+ int decompress_subtitle(zmpeg3_t *zsrc);
+ void set_image_size(int isz);
+ void set_image_size(int ww, int hh);
+ int decode(video_t *video);
+ };
+
+ class demuxer_t {
+ friend class bits_t;
+
+ uint8_t packet_next_char() { return raw_data[raw_offset]; }
+ uint8_t packet_read_char() { return raw_data[raw_offset++]; }
+ uint32_t packet_read_int16() {
+ uint32_t a = raw_data[raw_offset++];
+ uint32_t b = raw_data[raw_offset++];
+ return (a << 8) | b;
+ }
+ uint32_t packet_next_int24() {
+ uint32_t a = raw_data[raw_offset+0];
+ uint32_t b = raw_data[raw_offset+1];
+ uint32_t c = raw_data[raw_offset+2];
+ return (a << 16) | (b << 8) | c;
+ }
+ uint32_t packet_read_int24() {
+ uint32_t a = raw_data[raw_offset++];
+ uint32_t b = raw_data[raw_offset++];
+ uint32_t c = raw_data[raw_offset++];
+ return (a << 16) | (b << 8) | c;
+ }
+ uint32_t packet_read_int32() {
+ uint32_t a = raw_data[raw_offset++];
+ uint32_t b = raw_data[raw_offset++];
+ uint32_t c = raw_data[raw_offset++];
+ uint32_t d = raw_data[raw_offset++];
+ return (a << 24) | (b << 16) | (c << 8) | d;
+ }
+ void packet_skip(int length) { raw_offset += length; }
+ int get_adaptation_field();
+ int get_program_association_table();
+ int get_transport_payload(int is_audio, int is_video);
+ int get_pes_packet_header(uint64_t *pts, uint64_t *dts);
+ int get_unknown_data();
+ int get_transport_pes_packet();
+ int get_pes_packet();
+ int get_payload();
+ int read_transport();
+ int get_system_header();
+ uint64_t get_timestamp();
+ int get_pack_header();
+ int get_program_payload(int bytes, int is_audio, int is_video);
+ int handle_scrambling(int decryption_offset);
+ void del_subtitle(int idx);
+ subtitle_t* get_subtitle(int id,int64_t offset);
+ void handle_subtitle(zmpeg3_t *src, int stream_id, int bytes);
+ int handle_pcm(int bytes);
+ int get_program_pes_packet(uint32_t header);
+ int previous_code(uint32_t zcode);
+
+ public:
+ new_memset(0);
+ class zstream_t;
+ class title_t;
+ class nav_t {
+ public:
+#include "nav.h"
+ new_memset(0);
+ } *nav;
+
+ zmpeg3_t* src;
+ uint8_t *raw_data; // One unparsed packet.
+ int raw_offset; // Offset in raw_data of read pointer
+ int raw_size; // Amount loaded in last raw_data
+
+ // Elementary stream data when only one stream is to be read.
+ // Erased in every call to read a packet.
+ class zstream_t {
+ public:
+ new_memset(0);
+ uint8_t *buffer;
+ int allocated; // Allocation of data_buffer
+ int size; // Position in data_buffer of write pointer
+ int position; // Position in data_buffer of read pointer
+ int start; // Start of the next pes packet
+ int length() { return size - position; }
+ bool eof() { return position >= size; }
+ bool bof() { return position == 0; }
+ } zdata;
+ // Elementary stream data when all streams are to be read. There is no
+ // read pointer since data is expected to be copied directly to a track.
+ // Some packets contain audio and video. Further division into
+ // stream ID may be needed.
+ zstream_t zaudio;
+ zstream_t zvideo;
+
+ subtitle_t *subtitles[MAX_SUBTITLES];
+ int total_subtitles;
+
+ // What type of data to read, which track is accessing
+ atrack_t *do_audio;
+ vtrack_t *do_video;
+ int read_all;
+ // Direction of reads
+ int reverse;
+ // Set to 1 when eof or attempt to read before beginning
+ int error_flag;
+ int discontinuity;
+ // Temp variables for returning
+ uint8_t next_char;
+ // Info for mpeg3cat
+ int64_t last_packet_start;
+ int64_t last_packet_end;
+ int64_t last_packet_decryption;
+
+ // Table of contents
+ class title_t { // Titles
+ void extend_cell_table();
+ public:
+ new_memset(0);
+ class cell_t;
+
+ zmpeg3_t *src;
+ fs_t *fs;
+ int64_t total_bytes; // Total bytes in title file.
+ int64_t start_byte; // Absolute starting byte of the title in the stream
+ int64_t end_byte; // Absolute ending byte of the title in the stream + 1
+ // May get rid of time values and rename to a cell offset table.
+ // May also get rid of end byte.
+
+ class cell_t {
+ public:
+ new_memset(0);
+ int64_t title_start; // Starting byte of cell in the title (start_byte)
+ int64_t title_end; // Ending byte of cell in the title (end_byte)
+ int64_t program_start; // Starting byte of the cell in the program
+ int64_t program_end; // Ending byte of the cell in the program
+ double cell_time; // play time at end of cell, -1 if unknown
+ int cell_no; // cell in original cell table
+ int discontinuity;
+
+ cell_t() {}
+ ~cell_t() {}
+ } *cell_table; // Timecode table
+ int cell_table_size; // Number of entries
+ int cell_table_allocation; // Number of available slots
+
+ title_t(zmpeg3_t *zsrc, char *fpath);
+ title_t(zmpeg3_t *zsrc);
+ ~title_t();
+ title_t(title_t &title);
+ void new_cell(int cell_no,
+ int64_t title_start, int64_t title_end,
+ int64_t program_start, int64_t program_end,
+ int discontinuity);
+ void new_cell(int64_t byte_end) { // default cell
+ new_cell(0, 0, byte_end, 0, byte_end, 0);
+ }
+ int dump_title();
+ int print_cells(FILE *output);
+ } *titles[MAX_STREAMZ];
+ int total_titles;
+ int current_title; // Title currently being used
+
+ // Tables of every stream ID encountered
+ int8_t astream_table[MAX_STREAMZ]; // afmt index
+ int8_t vstream_table[MAX_STREAMZ]; // 1 if video
+ int8_t sstream_table[MAX_STREAMZ]; // 1 if subtitle
+
+ // Cell in the current title currently used
+ int title_cell;
+ int64_t nav_cell_next_vobu;
+ int64_t nav_cell_end_byte;
+
+ // Byte position in current program.
+ int64_t program_byte;
+ // Total bytes in all titles
+ int64_t total_bytes;
+ // The end of the current stream in the current program
+ int64_t stream_end;
+
+ int transport_error_indicator;
+ int payload_unit_start_indicator;
+ int pid; // PID of last packet
+ int stream_id; // Stream ID of last packet
+ int custom_id; // Custom ID of last packet
+ int transport_scrambling_control;
+ int adaptation_field_control;
+ int continuity_counter;
+ int is_padding;
+ int pid_table[PIDMAX];
+ int continuity_counters[PIDMAX];
+ int total_pids;
+ int adaptation_fields;
+ double time; // Time in seconds
+ uint32_t last_code;
+ int audio_pid;
+ int video_pid;
+ int subtitle_pid;
+ int got_audio;
+ int got_video;
+ // if subtitle object was created in last packet
+ int got_subtitle;
+ // When only one stream is to be read, these store the stream IDs
+ // Audio stream ID being decoded. -1 = select first ID in stream
+ int astream;
+ // Video stream ID being decoded. -1 = select first ID in stream
+ int vstream;
+ // Multiplexed streams have the audio type
+ // Format of the audio derived from multiplexing codes
+ int aformat;
+ int program_association_tables;
+ int table_id;
+ int section_length;
+ int transport_stream_id;
+ int pes_packets;
+ double pes_audio_time; // Presentation Time stamps
+ double pes_video_time;
+ int pes_audio_pid; // custom_id of timestamp
+ int pes_video_pid;
+ // Cause the stream parameters to be dumped in human readable format
+ int dump;
+
+ demuxer_t(zmpeg3_t *zsrc,atrack_t *do_aud,vtrack_t *do_vid,int cust_id);
+ ~demuxer_t();
+
+ int create_title(int full_scan=0);
+ int64_t tell_byte() { return program_byte; }
+ int64_t absolute_position() {
+ return titles[current_title]->fs->tell() + titles[current_title]->start_byte;
+ }
+ bool eof();
+ bool bof();
+ bool error() { return error_flag; }
+ int64_t movie_size();
+ double get_time() { return time; }
+ int get_cell(int no, title_t::cell_t *&v);
+ void start_reverse();
+ void start_forward();
+ int seek_byte(int64_t byte);
+ double scan_pts();
+ int goto_pts(double pts);
+ int seek_phys();
+ int read_program();
+ int64_t prog2abs_fwd(int64_t byte, int64_t *nbyte, int *ntitle, int *ncell);
+ int64_t prog2abs_rev(int64_t byte, int64_t *nbyte, int *ntitle, int *ncell);
+ int64_t program_to_absolute(int64_t byte, int64_t *nbyte=0, int *ntitle=0, int *ncell=0);
+ int64_t absolute_to_program(int64_t byte);
+ int64_t title_bytes();
+ void append_data(uint8_t *data, int bytes);
+ void shift_data();
+ int open_title(int title_number);
+ int copy_titles(demuxer_t *dst);
+ void end_title(int64_t end_byte);
+ int next_code(uint32_t zcode);
+ int prev_code(uint32_t zcode);
+ uint8_t read_char_packet();
+ uint8_t read_prev_char_packet();
+ uint8_t read_char() {
+ if( zunlikely(zdata.eof()) ) return read_char_packet();
+ return zdata.buffer[zdata.position++];
+ }
+ uint8_t read_prev_char();
+ int read_data(uint8_t *output,int size);
+ int read_next_packet();
+ int read_prev_packet();
+ void skip_video_frame();
+ int64_t next_cell();
+ int64_t playinfo_next_cell();
+ double video_pts() { double pts = pes_video_time; pes_video_time = -1.; return pts; }
+ double audio_pts() { double pts = pes_audio_time; pes_audio_time = -1.; return pts; }
+ void reset_pts();
+ void set_audio_pts(uint64_t pts, const double denom);
+ void set_video_pts(uint64_t pts, const double denom);
+ int current_cell_no();
+ };
+
+ class cacheframe_t {
+ public:
+ new_memset(0);
+ uint8_t *y, *u, *v;
+ int y_alloc, u_alloc, v_alloc;
+ int y_size, u_size, v_size;
+ int64_t frame_number;
+ uint32_t age;
+
+ cacheframe_t() {}
+ ~cacheframe_t() {}
+ };
+
+ class cache_t {
+ int extend_cache();
+ public:
+ new_memset(0);
+ cacheframe_t *frames;
+ int total;
+ int allocation;
+ uint32_t seq;
+
+ cache_t() {}
+ ~cache_t();
+ void clear();
+ void reset() { total = 0; }
+ void put_frame(int64_t zframe_number,
+ uint8_t *zy, uint8_t *zu, uint8_t *zv,
+ int zy_size, int zu_size, int zv_size);
+ int get_frame( int64_t frame_number,
+ uint8_t **zy, uint8_t **zu, uint8_t **zv);
+ int has_frame(int64_t frame_number);
+ int64_t memory_usage();
+ };
+
+ fs_t *fs; // Store entry path here
+ demuxer_t *demuxer; // Master title tables copied to all tracks
+ int iopened; // file opened by user (before init)
+
+// Media specific
+
+ int total_atracks;
+ class atrack_t {
+ void extend_sample_offsets();
+ public:
+ new_memset(0);
+ int channels;
+ int sample_rate;
+ demuxer_t *demuxer;
+ audio_t *audio;
+ int64_t current_position;
+ int64_t total_samples;
+ int format; // format of audio
+ int number, pid;
+ long nudge;
+ // If we got the header information yet. Used in streaming mode.
+ int got_header;
+ // Pointer to master table of contents when the TOC is read.
+ // Pointer to private table when the TOC is being created
+ // Stores the absolute byte of each audio chunk
+ int64_t *sample_offsets;
+ int total_sample_offsets;
+ int sample_offsets_allocated;
+ // If this sample offset table must be deleted by the track
+ int private_offsets;
+ // End of stream in table of contents construction
+ int64_t audio_eof;
+ // Starting byte of previous/current packet for making TOC
+ int64_t prev_offset, curr_offset;
+ double audio_time; // audio pts based time
+ int askip; // skipping
+ int64_t pts_position; // sample position at pts
+ double pts_origin;
+ double pts_starttime; // demuxer first pts
+ double pts_offset; // pts offset due to discontinuity
+ double frame_pts;
+ void reset_pts();
+ double last_pts() { return pts_starttime+audio_time-pts_offset; }
+
+ atrack_t(zmpeg3_t *zsrc, int custom_id, int format, demuxer_t *demux, int no);
+ ~atrack_t();
+
+ int calculate_format(zmpeg3_t *src);
+ int handle_audio_data(int track_number);
+ int handle_audio(int track_number);
+ int64_t track_position() { return current_position+nudge; }
+ void append_samples(int64_t offset);
+ void update_frame_pts() { if( frame_pts < 0 ) frame_pts = demuxer->audio_pts(); }
+ void update_audio_time();
+ double get_audio_time();
+ double pts_audio_time(double pts) {
+ return pts_starttime<0. ? pts_starttime : pts-pts_starttime+pts_offset;
+ }
+ int64_t apparent_position();
+ } *atrack[MAX_STREAMZ];
+
+ int total_vtracks;
+ class vtrack_t {
+ void extend_frame_offsets();
+ void extend_keyframe_numbers();
+ public:
+ new_memset(0);
+ int width, height;
+ uint32_t tcode;
+ double frame_rate;
+ float aspect_ratio;
+ demuxer_t *demuxer;
+ video_t *video; // Video decoding object
+ long current_position; // Number of next frame to be played
+ long total_frames; // Total frames in the file
+ int number, pid;
+ slice_buffer_t *slice; // toc slice data
+ uint8_t *sbp;
+ int sb_size;
+ // Pointer to master table of contents when the TOC is read.
+ // Pointer to private table when the TOC is being created
+ // Stores the absolute byte of each frame
+ int64_t *frame_offsets;
+ int total_frame_offsets;
+ int frame_offsets_allocated;
+ int *keyframe_numbers;
+ int total_keyframe_numbers;
+ int keyframe_numbers_allocated;
+ // Starting byte of previous/current packet for making TOC
+ int64_t prev_frame_offset;
+ int64_t prev_offset, curr_offset;
+ int vskip; // skipping
+ double video_time; // reshuffled pts
+ // End of stream in table of contents construction
+ int64_t video_eof;
+ int got_top;
+ int got_keyframe;
+ cache_t *frame_cache;
+ // If these tables must be deleted by the track
+ int private_offsets;
+ int pts_position; // framenum at pts
+ double pts_origin;
+ double pts_starttime; // first pts
+ double pts_offset; // pts offset due to discontinuity
+ double refframe_pts; // last refframe pts
+ double frame_pts;
+ double pts_video_time(double pts) {
+ return pts_starttime<0. ? pts_starttime : pts-pts_starttime+pts_offset;
+ }
+ void reset_pts();
+ double last_pts() { return pts_starttime+video_time-pts_offset; }
+
+ vtrack_t(zmpeg3_t *zsrc, int custom_id, demuxer_t *demux, int no);
+ ~vtrack_t();
+
+ int handle_video_data(int track_number, int prev_data_size);
+ int handle_video(int track_number);
+ int find_keyframe_index(int64_t frame);
+ void append_frame(int64_t offset, int is_keyframe);
+ void update_frame_pts() { if( frame_pts < 0 ) frame_pts = demuxer->video_pts(); }
+ void update_video_time();
+ double get_video_time();
+ int apparent_position();
+ } *vtrack[MAX_STREAMZ];
+
+ // Subtitle track
+ // Stores the program offsets of subtitle images.
+ // Only used for seeking off of table of contents for editing.
+ // Doesn't have its own demuxer but hangs off the video demuxer.
+ int total_stracks;
+ class strack_t {
+ void extend_offsets();
+ void extend_subtitles();
+ public:
+ new_memset(0);
+ zrwlock_t rwlock;
+ int id; // 0x2X
+ video_t *video; // if non-zero, decoder owns track
+ int64_t *offsets; // Offsets in program of subtitle packets
+ int total_offsets;
+ int allocated_offsets;
+ subtitle_t *subtitles[MAX_SUBTITLES]; // Last subtitle objects found in stream.
+ int total_subtitles;
+
+ strack_t(int zid, video_t *vid=0);
+ strack_t(strack_t &strack);
+ ~strack_t();
+
+ int append_subtitle(subtitle_t *subtitle, int lock=1);
+ void append_subtitle_offset(int64_t program_offset);
+ void del_subtitle(subtitle_t *subtitle, int lock=0);
+ void del_subtitle(int i, int lock=0);
+ void del_all_subtitles();
+ } *strack[MAX_STREAMZ];
+
+ static uint64_t get8bytes(uint8_t *buf) {
+ return bswap_64(*((uint64_t *)buf));
+ }
+ static uint32_t get4bytes(uint8_t *buf) {
+ return bswap_32(*((uint32_t *)buf));
+ }
+ static uint32_t get2bytes(uint8_t *buf) {
+ return bswap_16(*((uint16_t *)buf));
+ }
+
+ class icell_t {
+ public:
+ new_memset(0);
+ int64_t start_byte, end_byte; // Bytes relative to start of stream.
+ short vob_id, cell_id; // cell address vob/cell id
+ uint32_t inlv; // bit vector of allowed interleaves
+ short angle, discon; // angle interleave no, discontinuity flag
+
+ int has_inlv(int i) { return (inlv >> i) & 1; }
+ };
+
+ class icell_table_t {
+ public:
+ icell_t *cells;
+ long total_cells;
+ long cells_allocated;
+ icell_table_t() { cells = 0; total_cells = cells_allocated = 0; }
+ ~icell_table_t();
+ icell_t *append_cell();
+ };
+
+ class ifo_t {
+ public:
+ new_memset(0);
+ enum ifo_id_type {
+ id_NUM_MENU_VOBS = 0,
+ id_NUM_TITLE_VOBS = 1,
+ id_MAT = 0,
+ id_PTT = 1,
+ id_TSP = 1,
+ id_TITLE_PGCI = 2,
+ id_MENU_PGCI = 3,
+ id_TMT = 4,
+ id_MENU_CELL_ADDR = 5,
+ id_MENU_VOBU_ADDR_MAP = 6,
+ id_TITLE_CELL_ADDR = 7,
+ id_TITLE_VOBU_ADDR_MAP = 8,
+ };
+
+ uint32_t num_menu_vobs;
+ uint32_t vob_start;
+ uint32_t empirical; // scan for audio/subtitle stream data
+ uint8_t *data[10];
+ int fd; // file descriptor
+ int64_t pos; // offset of ifo file on device
+ int current_vob_id;
+ int max_inlv;
+ int64_t current_byte;
+#include "ifo.h"
+
+ int type_vts() {
+ return !strncmp((char*)data[id_MAT], "DVDVIDEO-VTS", 12) ? 0 : -1;
+ }
+ int type_vmg() {
+ return !strncmp((char*)data[id_MAT], "DVDVIDEO-VMG", 12) ? 0 : -1;
+ }
+
+ void get_playlist(zmpeg3_t *zsrc);
+ int ifo_read(long pos, long count, uint8_t *data);
+ int read_mat();
+
+ ifo_t(int zfd, long zpos);
+ ~ifo_t();
+ int ifo_close();
+ int init_tables();
+ int get_table(int64_t offset,unsigned long tbl_id);
+ void get_palette(zmpeg3_t *zsrc);
+ void get_header(demuxer_t *demux);
+ void get_playinfo(zmpeg3_t *zsrc, icell_table_t *icell_addrs);
+ void icell_addresses(icell_table_t *cell_addrs);
+ int64_t ifo_chapter_cell_time(zmpeg3_t *zsrc, int chapter);
+ void get_ititle(zmpeg3_t *zsrc, int chapter=0);
+ void icell_map(zmpeg3_t *zsrc, icell_table_t *icell_addrs);
+ int chk(int vts_title, int chapter, int inlv, int angle,
+ icell_table_t *icell_addrs, int §ors, int &pcells, int &max_angle);
+ };
+
+ // Table of contents storage
+ int64_t **frame_offsets;
+ int64_t **sample_offsets;
+ int **keyframe_numbers;
+ int64_t *video_eof;
+ int64_t *audio_eof;
+ int *total_frame_offsets;
+ int *total_sample_offsets;
+ int64_t *total_samples;
+ int *total_keyframe_numbers;
+ // Handles changes in channel count after the start of a stream
+ int *channel_counts, *nudging;
+ // Indexes for audio tracks
+ index_t **indexes;
+ int total_indexes;
+ double cell_time; // time at start of last cell
+ // toc/skim thumbnail data callback
+ zthumbnail_cb thumbnail_fn;
+ void *thumbnail_priv;
+
+ // Number of bytes to devote to the index of a single track
+ // in the index building process.
+ int64_t index_bytes;
+ int file_type, log_errs;
+ int err_logging(int v=-1) { int lv = log_errs; if( v>=0 ) log_errs=v; return lv; }
+ // Only one of these is set to 1 to specify what kind of stream we have.
+ int is_transport_stream() { return file_type & FT_TRANSPORT_STREAM; }
+ int is_program_stream() { return file_type & FT_PROGRAM_STREAM; }
+ int is_audio_stream() { return file_type & FT_AUDIO_STREAM; } // Elemental stream
+ int is_video_stream() { return file_type & FT_VIDEO_STREAM; } // Elemental stream
+ int is_ifo_file() { return file_type & FT_IFO_FILE; } // dvd ifo file
+ // Special kind of transport stream for BD or AVC-HD
+ int is_bd() { return 0; /* file_type & FT_BD_FILE; */ }
+ int packet_size; // > 0 if known otherwise determine empirically for every packet
+ // Type and stream for getting current absolute byte
+ int last_type_read; // 1 - audio 2 - video
+ int last_stream_read;
+ int vts_title; // video titleset title number (counting from 0)
+ int total_vts_titles;
+ int interleave, angle; // active program sector interleave/angle index
+ int total_interleaves;
+ int cpus; // number of decode threads
+ int seekable; // Filesystem is seekable. Also means the file isn't a stream.
+ int last_cell_no; // last known cell no in TOC build
+ int pts_padding; // use pts data to add padding to sync damaged data
+ FILE *toc_fp; // For building TOC, the output file.
+ int recd_fd; // record file
+ int64_t recd_pos; // record file size
+ /* The first color palette in the IFO file. Used for subtitles.
+ * Byte order: YUVX * 16 */
+ int have_palette;
+ uint8_t palette[16 * 4];
+ // Date of source file index was created from.
+ // Used to compare DVD source file to table of contents source.
+ int64_t source_date;
+ // playback cell table
+ icell_table_t *playinfo;
+
+ int calculate_packet_size();
+ int get_file_type(int *toc_atracks, int *toc_vtracks, const char *title_path);
+ int read_toc(int *toc_atracks, int *toc_vtracks, const char *title_path);
+ enum { show_toc_SAMPLE_OFFSETS=1, show_toc_AUDIO_INDEX=2, show_toc_FRAME_OFFSETS=4 };
+ int show_toc(int flags);
+ int handle_nudging();
+ void divide_index(int track_number);
+ int update_index(int track_number,int flush);
+ static ifo_t *ifo_open(int fd,long pos);
+ int read_ifo();
+ atrack_t *new_atrack_t(int custom_id, int format,
+ demuxer_t *demux, int number);
+ vtrack_t *new_vtrack_t(int custom_id, demuxer_t *demux, int number);
+ audio_t *new_audio_t(atrack_t *ztrack, int zformat);
+ video_t *new_video_t(vtrack_t *ztrack);
+ strack_t* get_strack_id(int id, video_t *vid);
+ strack_t* get_strack(int number);
+ strack_t* create_strack(int id, video_t *vid=0);
+ int display_subtitle(int stream, int sid, int id,
+ uint8_t *yp, uint8_t *up, uint8_t *vp, uint8_t *ap,
+ int x, int y, int w, int h, double start_msecs, double stop_msecs);
+ int delete_subtitle(int stream, int sid, int id);
+ static int clip(int v, int mn, int mx) {
+ if( v > mx ) return mx;
+ if( v < mn ) return mn;
+ return v;
+ }
+ static uint8_t clip(int32_t v) {
+ return ((uint8_t)v) == v ? v : clip(v,0,255);
+ }
+ void handle_subtitle();
+ void handle_cell(int this_cell_no);
+
+#ifdef ZDVB
+ class dvb_t {
+ uint8_t *xbfr, *eob;
+ uint32_t get8bits() { return xbfr < eob ? *xbfr++ : 0; }
+ uint32_t get16bits() { uint32_t v = get8bits(); return (v<<8) | get8bits(); }
+ uint32_t get24bits() { uint32_t v = get16bits(); return (v<<8) | get8bits(); }
+ uint32_t get32bits() { uint32_t v = get24bits(); return (v<<8) | get8bits(); }
+ public:
+ class mgt_t; // master guide table
+ class vct_t; // virtual channel table
+ class rrt_t; // rating region table
+ class eit_t; // event information table
+ class ett_t; // extended text table
+ class stt_t; // system time table
+
+ class mgt_t {
+ public:
+ new_memset(0);
+
+ dvb_t *dvb;
+ uint32_t ver;
+ int items;
+ class mitem_t {
+ public:
+ new_memset(0);
+ uint8_t *bfr;
+ int bfr_size, bfr_alloc;
+ int src_id, tbl_id, tbl_len;
+ uint16_t type;
+ uint16_t pid;
+ uint32_t version;
+ uint32_t size;
+ void init(int len);
+ void clear();
+ void extract(uint8_t *dat, int len);
+ int bfr_len() { return tbl_len - bfr_size; }
+ mitem_t() {}
+ mitem_t(int zpid) : pid(zpid) { bfr=0; bfr_size=bfr_alloc=0; }
+ ~mitem_t() { clear(); }
+ } *mitems;
+ void clear();
+ void extract();
+ mitem_t *search(uint16_t pid);
+ mgt_t(dvb_t *p) : dvb(p) {}
+ ~mgt_t() { clear(); }
+ } *mgt;
+
+ class vct_t {
+ public:
+ new_memset(0);
+ class vitem_t;
+
+ dvb_t *dvb;
+ uint32_t version;
+ uint32_t transport_stream_id;
+ int items, items_allocated;
+
+ class vitem_t {
+ public:
+ new_memset(0);
+ class ch_elts_t;
+
+ uint16_t short_name[7+1];
+ uint32_t major_channel_number;
+ uint32_t minor_channel_number;
+ uint32_t modulation_mode;
+ uint32_t carrier_frequency;
+ uint32_t channel_TSID;
+ uint32_t program_number;
+ uint32_t etm_location;
+ uint8_t access_controlled;
+ uint8_t hidden;
+ uint8_t path_select;
+ uint8_t out_of_band;
+ uint32_t service_type;
+ uint32_t source_id;
+ uint32_t pcr_pid;
+ int num_ch_elts;
+ class ch_elts_t {
+ public:
+ uint32_t stream_id;
+ uint32_t pes_pid;
+ uint8_t code_639[3];
+ void extract(dvb_t *dvb);
+ } elts[10];
+ void extract(dvb_t *dvb);
+ } **vct_tbl;
+
+ vct_t(dvb_t *p) : dvb(p) {}
+ ~vct_t() { clear(); }
+ void extract();
+ void clear();
+ int search(vitem_t &new_item);
+ void append(vitem_t &new_item);
+ } *tvct, *cvct;
+
+ class rrt_t {
+ public:
+ new_memset(0);
+ class ritem_t;
+
+ dvb_t *dvb;
+ uint32_t version;
+ uint8_t region_nlen;
+ uint8_t region_name[2*32+1];
+ int items;
+
+ class ritem_t {
+ public:
+ new_memset(0);
+ class rating_vt;
+
+ uint8_t dim_nlen;
+ uint8_t dim_name[2*20+1];
+ uint8_t graduated_scale;
+ uint8_t num_values;
+ class rating_vt {
+ public:
+ uint8_t rating_nlen;
+ uint8_t rating_name[2*8+1];
+ uint8_t rating_tlen;
+ uint8_t rating_text[2*150+1];
+ void extract(dvb_t *dvb);
+ } *abrevs;
+ void extract(dvb_t *dvb);
+ void clear();
+ ritem_t() {}
+ ~ritem_t() { clear(); }
+ } *ratings;
+
+ rrt_t(dvb_t *p) : dvb(p) {}
+ ~rrt_t() { clear(); }
+ void extract();
+ void clear();
+ } *rrt;
+
+ class eit_t {
+ public:
+ new_memset(0);
+ class einfo_t;
+
+ dvb_t *dvb;
+ eit_t *next;
+ int id;
+ uint32_t version;
+ uint32_t source_id;
+ int items, nitems;
+
+ class einfo_t {
+ public:
+ new_memset(0);
+ uint16_t event_id;
+ uint16_t location;
+ uint32_t start_time;
+ uint32_t seconds;
+ uint8_t title_tlen;
+ uint8_t *title_text;
+ void extract(dvb_t *dvb);
+ void clear();
+ einfo_t() {}
+ ~einfo_t() { clear(); }
+ } *infos;
+
+ eit_t(dvb_t *p, int id) : dvb(p), id(id) {}
+ ~eit_t() { clear(); }
+ void extract();
+ int search(uint16_t evt_id);
+ void clear();
+ } *eit;
+
+ class ett_t {
+ public:
+ new_memset(0);
+ class etext_t;
+
+ dvb_t *dvb;
+ ett_t *next;
+ int id;
+
+ class etext_t {
+ public:
+ new_memset(0);
+
+ etext_t *next;
+ int id;
+ uint32_t version;
+ uint16_t table_id;
+ uint32_t etm_id;
+ uint16_t msg_tlen;
+ uint8_t *msg_text;
+ void extract(dvb_t *dvb, uint32_t eid);
+ void clear();
+ etext_t(int id) : id(id) {}
+ ~etext_t() { clear(); }
+ } *texts;
+
+ ett_t(dvb_t *p, int id) : dvb(p), id(id) {}
+ ~ett_t() { clear(); }
+ void extract();
+ void clear();
+ } *ett;
+
+ class stt_t {
+ dvb_t *dvb;
+ public:
+ new_memset(0);
+
+ uint32_t version;
+ uint16_t table_id;
+ uint32_t system_time;
+ uint8_t utc_offset;
+ uint16_t daylight_saving;
+
+ stt_t(dvb_t *p) : dvb(p) {}
+ ~stt_t() { clear(); }
+ void extract();
+ void clear();
+ } *stt;
+
+ uint32_t stt_start_time;
+ int64_t stt_offset() {
+ return (365*10+7)*24*3600L - (stt ? stt->utc_offset : 0);
+ }
+
+ int64_t get_system_time() {
+ return stt && stt->system_time ? stt->system_time + stt_offset() : -1;
+ }
+ zmpeg3_t *src;
+ int sect_len;
+ int stream_id;
+ uint32_t version;
+ int cur_next;
+ int sect_num;
+ int proto_ver;
+ int empirical;
+
+ int bfr_pos() { return xbfr - active->bfr; }
+ int bfr_len() { return active->bfr_size - bfr_pos(); }
+ void skip_bfr(int n);
+ void skp_bfr(int n) { if( n > 0 ) skip_bfr(n); }
+
+ int text_length, text_allocated;
+ char *text;
+ int get_text(uint8_t *dat, int bytes);
+ void append_text(char *dat, int bytes);
+ char *mstring(uint8_t *bp, int len);
+
+ dvb_t(zmpeg3_t *zsrc);
+ ~dvb_t();
+ void reset();
+ void extract();
+
+ mgt_t::mitem_t *active;
+ mgt_t::mitem_t *atsc_pid(int pid);
+ mgt_t::mitem_t base_pid;
+
+ int atsc_tables(demuxer_t *demux, int pid);
+ void skip_descr(int descr_len);
+
+ int channel_count();
+ int signal_time();
+ int get_channel(int n, int &major, int &minor);
+ int get_station_id(int n, char *name);
+ int total_astreams(int n, int &count);
+ int astream_number(int n, int ord, int &stream, char *enc=0);
+ int total_vstreams(int n, int &count);
+ int vstream_number(int n, int ord, int &stream);
+ int read_dvb(demuxer_t *demux);
+ int get_chan_info(int n, int ord, int i, char *txt, int len);
+ } dvb;
+
+#endif
+
+ // Interface
+
+ // Get version information
+ static int zmajor() { return ZMPEG3_MAJOR; };
+ static int zminor() { return ZMPEG3_MINOR; };
+ static int zrelease() { return ZMPEG3_RELEASE; };
+
+ // Check for file compatibility. Return 1 if compatible.
+ static int check_sig(char *path);
+
+ // Open the MPEG stream.
+ // An error code is put into *ret if it fails and error_return is nonzero.
+ zmpeg3_t(const char *path);
+ zmpeg3_t(const char *path, int &ret, int access=fs_t::io_UNBUFFERED, const char *title_path=0);
+ zmpeg3_t(int fd, int &ret, int access=0);
+ zmpeg3_t(FILE *fp, int &ret, int access=0);
+ int init(const char *title_path=0);
+ ~zmpeg3_t();
+
+ // Performance
+ int set_cpus(int cpus);
+ int set_pts_padding(int v);
+
+ // Query the MPEG3 stream about audio.
+ int has_audio();
+ int total_astreams();
+ int audio_channels(int stream);
+ double sample_rate(int stream);
+ const char *audio_format(int stream);
+
+ // Total length obtained from the timecode.
+ // For DVD files, this is unreliable.
+ long audio_nudge(int stream);
+ long audio_samples(int stream);
+ int set_sample(long sample, int stream);
+ long get_sample(int stream);
+
+ // Stream defines the number of the multiplexed stream to read.
+ // If output argument is null the audio is not rendered.
+ // Read a PCM buffer of audio from 1 channel and advance the position.
+ int read_audio(void *output_v, int type, int channel, long samples, int stream);
+ int read_audio(double *output_d, int channel, long samples, int stream);
+ int read_audio(float *output_f, int channel, long samples, int stream);
+ int read_audio(int *output_i, int channel, long samples, int stream);
+ int read_audio(short *output_s, int channel, long samples, int stream);
+ // Read a PCM buffer of audio from 1 channel without advancing the position.
+ int reread_audio(void *output_v, int type, int channel, long samples, int stream);
+ int reread_audio(double *output_d, int channel, long samples, int stream);
+ int reread_audio(float *output_f, int channel, long samples, int stream);
+ int reread_audio(int *output_i, int channel, long samples, int stream);
+ int reread_audio(short *output_s, int channel, long samples, int stream);
+
+ // Read the next compressed audio chunk. Store the size in size and return a
+ // Stream defines the number of the multiplexed stream to read.
+ int read_audio_chunk(uint8_t *output, long *size, long max_size, int stream);
+
+ // Query the stream about video.
+ int has_video();
+ int total_vstreams();
+ int video_width(int stream);
+ int video_height(int stream);
+ int coded_width(int stream);
+ int coded_height(int stream);
+ int video_pid(int stream);
+ float aspect_ratio(int stream); // aspect ratio. 0 if none
+ double frame_rate(int stream); // Frames/sec
+
+ long video_frames(int stream); // total length - for TOC files only.
+ int set_frame(long frame, int stream); // Seek to a frame
+ // int skip_frames(); /*???*/
+ long get_frame(int stream); // Tell current position
+
+ // Total bytes. Used for absolute byte seeking.
+ int64_t get_bytes();
+
+ // Seek all the tracks to the absolute byte in the
+ // file. This eliminates the need for tocs but doesn't
+ // give frame accuracy.
+ int seek_byte(int64_t byte);
+ int64_t tell_byte();
+
+ int previous_frame(int stream);
+ int end_of_audio(int stream);
+ int end_of_video(int stream);
+
+ // Give the seconds time in the last packet read
+ double get_time();
+ double get_audio_time(int stream);
+ double get_video_time(int stream);
+ int get_cell_time(int no, double &time);
+
+ // Read input frame and scale to the output frame
+ // The last row of **output_rows must contain 4 extra bytes for scratch work.
+ int read_frame(uint8_t **output_rows, // row start pointers
+ int in_x, int in_y, int in_w, int in_h, // Location in input frame
+ int out_w, int out_h, // Dimensions of output_rows
+ int color_model, int stream);
+
+ // Get the colormodel being used natively by the stream
+ int colormodel(int stream);
+ // Set the row stride to be used in read_yuvframe
+ int set_rowspan(int bytes, int stream);
+
+ // Read a frame in the native color model used by the stream.
+ // The Y, U, and V planes are copied into the y, u, and v
+ // BUFFERS Provided.
+ // The input is cropped to the dimensions given but not scaled.
+ int read_yuvframe(char *y_output, char *u_output, char *v_output,
+ int in_x, int in_y, int in_w, int in_h, int stream);
+
+ // Read a frame in the native color model used by the stream.
+ // The Y, U, and V planes are not copied but the _output pointers
+ // are redirected to the frame buffer.
+ int read_yuvframe_ptr(char **y_output, char **u_output, char **v_output,
+ int stream);
+
+ // Drop frames number of frames
+ int drop_frames(long frames, int stream);
+
+ // Read the next compressed frame including headers.
+ // Store the size in size and return a 1 if error.
+ // Stream defines the number of the multiplexed stream to read.
+ int read_video_chunk(uint8_t *output, long *size, long max_size,
+ int stream);
+
+ // Master control
+ int get_total_vts_titles();
+ int set_vts_title(int title=-1);
+ int get_total_interleaves();
+ int set_interleave(int inlv=-1);
+ int set_angle(int a=-1);
+ int set_program(int no); // legacy
+
+ // Memory used by video caches.
+ int64_t memory_usage();
+ // write incoming datastream on file descr fd
+ // buffer access must be io_THREADED. useful to record dvb device data
+ // bsz records up to bsz bytes of past buffer data in write_align
+ int start_record(int fd, int bsz=0);
+ int stop_record();
+ void write_record(uint8_t *data, int len);
+ // limit position for start of last full packet
+ int64_t record_position() { return recd_pos - packet_size + 1; }
+ // restart streams, discard device buffer and reinit file positions
+ void restart();
+ // enable/disable data xfr from reader thread
+ int pause_reader(int v);
+
+ // subtitle functions
+ // get number of subtitle tracks
+ int subtitle_tracks() { return total_stracks; }
+ // Enable overlay of a subtitle track.
+ // track - the number of the subtitle track starting from 0
+ // The same subtitle track is overlayed for all video tracks.
+ // track=-1 to disable subtitles.
+ int show_subtitle(int stream, int strk);
+
+ // Table of contents generation
+ // Begin constructing table of contents
+ static zmpeg3_t *start_toc(const char *path, const char *toc_path,
+ int program=0, int64_t *total_bytes=0);
+ // Set the maximum number of bytes per index track
+ void set_index_bytes(int64_t bytes) { index_bytes = bytes; }
+ // Process one packet
+ int do_toc(int64_t *bytes_processed);
+ // Write table of contents
+ void stop_toc();
+ int set_thumbnail_callback(int trk, int skim, int thumb, zthumbnail_cb fn, void *p);
+ int get_thumbnail(int trk, int64_t &frn, uint8_t *&t, int &w, int &h);
+ int set_cc_text_callback(int trk, zcc_text_cb fn);
+
+ // Get modification date of source file from table of contents.
+ // Used to compare DVD source file to table of contents source.
+ int64_t get_source_date() { return source_date; }
+ // Get modification date of source file from source file.
+ static int64_t calculate_source_date(char *path);
+ static int64_t calculate_source_date(int fd);
+ // Table of contents queries
+ int index_tracks();
+ int index_channels(int track);
+ int index_zoom();
+ int index_size(int track);
+ float* index_data(int track, int channel);
+ // Returns 1 if the file has a table of contents
+ int has_toc() {
+ return frame_offsets || sample_offsets ? 1 : 0;
+ }
+ // Return the path of the title number or 0 if no more titles.
+ char* title_path(int number) {
+ return number>=0 && number<demuxer->total_titles ?
+ demuxer->titles[number]->fs->path : 0;
+ }
+
+ static inline void complete_path(char *full_path, char *path) {
+ char dir[zmpeg3_t::STRLEN];
+ if( path[0] != '/' && getcwd(dir, sizeof(dir)) )
+ sprintf(full_path, "%s/%s", dir, path);
+ else
+ strcpy(full_path, path);
+ }
+
+ static inline void get_directory(char *directory, char *path) {
+ char *ptr = strrchr(path, '/');
+ int i = 0;
+ if( ptr ) {
+ int n = ptr-path;
+ while( i < n ) {
+ directory[i] = path[i];
+ ++i;
+ }
+ }
+ if( i == 0 ) directory[i++] = '.';
+ directory[i] = 0;
+ }
+
+ static inline void get_filename(char *filename, char *path) {
+ char *ptr = strrchr(path, '/');
+ if( ptr ) ++ptr;
+ else ptr = path;
+ strcpy(filename, ptr);
+ }
+
+ static inline void joinpath(char *path, char *dir, char *filename) {
+ sprintf(path, "%s/%s", dir, filename);
+ }
+
+ static inline int64_t path_total_bytes(char *path) {
+ struct stat64 st;
+ return stat64(path, &st )<0 ? 0 : st.st_size;
+ }
+
+};
+
+typedef zmpeg3_t::zlock_t zzlock_t;
+typedef zmpeg3_t::zblock_t zzblock_t;
+typedef zmpeg3_t::zrwlock_t zzrwlock_t;
+typedef zmpeg3_t::fs_t zfs_t;
+typedef zfs_t::css_t zcss_t;
+typedef zcss_t::key_t zkey_t;
+typedef zcss_t::blk_t zblk_t;
+typedef zcss_t::playkey_t zplaykey_t;
+typedef zfs_t::buffer_t zbuffer_t;
+typedef zmpeg3_t::bits_t zbits_t;
+typedef zmpeg3_t::index_t zindex_t;
+typedef zmpeg3_t::bitfont_t zbitfont_t;
+typedef zbitfont_t::bitchar_t zbitchar_t;
+typedef zbitfont_t::static_init_t zstatic_init_t;
+typedef zmpeg3_t::timecode_t ztimecode_t;
+typedef zmpeg3_t::audio_t zaudio_t;
+typedef zaudio_t::imdct_complex_t zimdct_complex_t;
+typedef zaudio_t::imdct_al_table_t zimdct_al_table_t;
+typedef zaudio_t::audio_decoder_layer_t zaudio_decoder_layer_t;
+typedef zaudio_t::audio_decoder_ac3_t zaudio_decoder_ac3_t;
+typedef zaudio_t::audio_decoder_pcm_t zaudio_decoder_pcm_t;
+typedef zmpeg3_t::VLCtab_t zVLCtab_t;
+typedef zmpeg3_t::DCTtab_t zDCTtab_t;
+typedef zmpeg3_t::slice_buffer_t zslice_buffer_t;
+typedef zmpeg3_t::video_t zvideo_t;
+typedef zvideo_t::cc_t zcc_t;
+typedef zcc_t::svc_t zsvc_t;
+typedef zsvc_t::win_t zwin_t;
+typedef zsvc_t::chr_t zchr_t;
+typedef zmpeg3_t::slice_decoder_t zslice_decoder_t;
+typedef zmpeg3_t::subtitle_t zsubtitle_t;
+typedef zmpeg3_t::demuxer_t zdemuxer_t;
+typedef zdemuxer_t::zstream_t zzstream_t;
+typedef zdemuxer_t::title_t ztitle_t;
+typedef ztitle_t::cell_t zcell_t;
+typedef zmpeg3_t::cacheframe_t zcacheframe_t;
+typedef zmpeg3_t::cache_t zcache_t;
+typedef zmpeg3_t::atrack_t zatrack_t;
+typedef zmpeg3_t::vtrack_t zvtrack_t;
+typedef zmpeg3_t::strack_t zstrack_t;
+typedef zmpeg3_t::icell_t zicell_t;
+typedef zmpeg3_t::icell_table_t zicell_table_t;
+typedef zmpeg3_t::ifo_t zifo_t;
+#ifdef ZDVB
+typedef zmpeg3_t::dvb_t zdvb_t;
+typedef zdvb_t::mgt_t zmgt_t;
+typedef zmgt_t::mitem_t zmitem_t;
+typedef zdvb_t::vct_t zvct_t;
+typedef zvct_t::vitem_t zvitem_t;
+typedef zvitem_t::ch_elts_t zch_elts_t;
+typedef zdvb_t::rrt_t zrrt_t;
+typedef zrrt_t::ritem_t zritem_t;
+typedef zritem_t::rating_vt zrating_vt;
+typedef zdvb_t::eit_t zeit_t;
+typedef zeit_t::einfo_t zeinfo_t;
+typedef zdvb_t::ett_t zett_t;
+typedef zett_t::etext_t zetext_t;
+typedef zdvb_t::stt_t zstt_t;
+#endif
+
+/* legacy */
+extern "C" {
+#else
+typedef struct {} zmpeg3_t;
+#endif /*__cplusplus */
+typedef zmpeg3_t mpeg3_t;
+
+int mpeg3_major(void);
+int mpeg3_minor(void);
+int mpeg3_release(void);
+int mpeg3_check_sig(char *path);
+int mpeg3_is_program_stream(zmpeg3_t * zsrc);
+int mpeg3_is_transport_stream(zmpeg3_t * zsrc);
+int mpeg3_is_video_stream(zmpeg3_t * zsrc);
+int mpeg3_is_audio_stream(zmpeg3_t * zsrc);
+int mpeg3_is_ifo_file(zmpeg3_t * zsrc);
+int mpeg3_create_title(zmpeg3_t * zsrc,int full_scan);
+zmpeg3_t *mpeg3_open(const char *path,int *error_return);
+zmpeg3_t *mpeg3_open_title(const char *title_path,const char *path,int *error_return);
+zmpeg3_t *mpeg3_zopen(const char *title_path,const char *path,int *error_return, int access);
+zmpeg3_t *mpeg3_open_copy(const char *path,zmpeg3_t *old_src,int *error_return);
+int mpeg3_close(zmpeg3_t *zsrc);
+int mpeg3_set_pts_padding(zmpeg3_t *zsrc, int v);
+int mpeg3_set_cpus(zmpeg3_t *zsrc,int cpus);
+int mpeg3_has_audio(zmpeg3_t *zsrc);
+int mpeg3_total_astreams(zmpeg3_t *zsrc);
+int mpeg3_audio_channels(zmpeg3_t *zsrc,int stream);
+int mpeg3_sample_rate(zmpeg3_t *zsrc,int stream);
+const char *mpeg3_audio_format(zmpeg3_t *zsrc,int stream);
+long mpeg3_get_audio_nudge(zmpeg3_t *zsrc,int stream);
+long mpeg3_audio_samples(zmpeg3_t *zsrc,int stream);
+int mpeg3_set_sample(zmpeg3_t *zsrc,long sample,int stream);
+long mpeg3_get_sample(zmpeg3_t *zsrc,int stream);
+int mpeg3_read_audio(zmpeg3_t *zsrc,float *output_f,short *output_i,int channel,
+ long samples,int stream);
+int mpeg3_read_audio_d(zmpeg3_t *zsrc,double *output_d, int channel,
+ long samples, int stream);
+int mpeg3_read_audio_f(zmpeg3_t *zsrc,float *output_f, int channel,
+ long samples, int stream);
+int mpeg3_read_audio_i(zmpeg3_t *zsrc,int *output_i, int channel,
+ long samples, int stream);
+int mpeg3_read_audio_s(zmpeg3_t *zsrc,short *output_s, int channel,
+ long samples, int stream);
+int mpeg3_reread_audio_d(zmpeg3_t *zsrc,double *output_d, int channel,
+ long samples, int stream);
+int mpeg3_reread_audio_f(zmpeg3_t *zsrc,float *output_f, int channel,
+ long samples, int stream);
+int mpeg3_reread_audio_i(zmpeg3_t *zsrc,int *output_i, int channel,
+ long samples, int stream);
+int mpeg3_reread_audio_s(zmpeg3_t *zsrc,short *output_s, int channel,
+ long samples, int stream);
+int mpeg3_reread_audio(zmpeg3_t *zsrc,float *output_f,short *output_i,
+ int channel,long samples,int stream);
+int mpeg3_read_audio_chunk(zmpeg3_t *zsrc,unsigned char *output,long *size,
+ long max_size,int stream);
+int mpeg3_has_video(zmpeg3_t *zsrc);
+int mpeg3_total_vstreams(zmpeg3_t *zsrc);
+int mpeg3_video_width(zmpeg3_t *zsrc,int stream);
+int mpeg3_video_height(zmpeg3_t *zsrc,int stream);
+int mpeg3_coded_width(zmpeg3_t *zsrc,int stream);
+int mpeg3_coded_height(zmpeg3_t *zsrc,int stream);
+int mpeg3_video_pid(zmpeg3_t *zsrc,int stream);
+float mpeg3_aspect_ratio(zmpeg3_t *zsrc,int stream);
+double mpeg3_frame_rate(zmpeg3_t *zsrc,int stream);
+long mpeg3_video_frames(zmpeg3_t *zsrc,int stream);
+int mpeg3_set_frame(zmpeg3_t *zsrc,long frame,int stream);
+//int mpeg3_skip_frames(zmpeg3_t *zsrc);
+long mpeg3_get_frame(zmpeg3_t *zsrc,int stream);
+int64_t mpeg3_get_bytes(zmpeg3_t *zsrc);
+int mpeg3_seek_byte(zmpeg3_t *zsrc,int64_t byte);
+int64_t mpeg3_tell_byte(zmpeg3_t *zsrc);
+int mpeg3_previous_frame(zmpeg3_t *zsrc,int stream);
+int mpeg3_end_of_audio(zmpeg3_t *zsrc,int stream);
+int mpeg3_end_of_video(zmpeg3_t *zsrc,int stream);
+double mpeg3_get_time(zmpeg3_t *zsrc);
+double mpeg3_get_audio_time(zmpeg3_t *zsrc, int stream);
+double mpeg3_get_video_time(zmpeg3_t *zsrc, int stream);
+double mpeg3_get_cell_time(zmpeg3_t *zsrc, int no, double *time);
+int mpeg3_read_frame(zmpeg3_t *zsrc,unsigned char **output_rows,int in_x,
+ int in_y,int in_w,int in_h,int out_w,int out_h,int color_model,int stream);
+int mpeg3_colormodel(zmpeg3_t *zsrc,int stream);
+int mpeg3_set_rowspan(zmpeg3_t *zsrc,int bytes,int stream);
+int mpeg3_read_yuvframe(zmpeg3_t *zsrc,char *y_output,char *u_output,
+ char *v_output,int in_x,int in_y,int in_w,int in_h,int stream);
+int mpeg3_read_yuvframe_ptr(zmpeg3_t *zsrc,char **y_output,char **u_output,
+ char **v_output,int stream);
+int mpeg3_drop_frames(zmpeg3_t *zsrc,long frames,int stream);
+int mpeg3_read_video_chunk(zmpeg3_t *zsrc,unsigned char *output,long *size,
+ long max_size,int stream);
+int mpeg3_get_total_vts_titles(zmpeg3_t *zsrc);
+int mpeg3_set_vts_title(zmpeg3_t *zsrc,int title); // toc build only
+int mpeg3_get_total_interleaves(zmpeg3_t *zsrc);
+int mpeg3_set_interleave(zmpeg3_t *zsrc,int inlv); // toc build only
+int mpeg3_set_angle(zmpeg3_t *zsrc,int a); // toc build only
+int mpeg3_set_program(zmpeg3_t *zsrc,int no); // toc build only
+int64_t mpeg3_memory_usage(zmpeg3_t *zsrc);
+int mpeg3_get_thumbnail(zmpeg3_t *zsrc, int trk,
+ int64_t *frn, uint8_t **t, int *w, int *h);
+int mpeg3_set_thumbnail_callback(zmpeg3_t *zsrc, int trk,
+ int skim, int thumb, zthumbnail_cb fn, void *p);
+int mpeg3_set_cc_text_callback(zmpeg3_t *zsrc, int trk, zcc_text_cb fn);
+int mpeg3_subtitle_tracks(zmpeg3_t *zsrc);
+int mpeg3_show_subtitle(zmpeg3_t *zsrc,int vtrk, int strk);
+int mpeg3_display_subtitle(zmpeg3_t *zsrc,int stream,int sid,int id,
+ uint8_t *yp,uint8_t *up,uint8_t *vp,uint8_t *ap,
+ int x,int y,int w,int h,double start_msecs,double stop_msecs);
+int mpeg3_delete_subtitle(zmpeg3_t *zsrc,int stream,int sid,int id);
+zmpeg3_t *mpeg3_start_toc(char *path,char *toc_path,int program,int64_t *total_bytes);
+void mpeg3_set_index_bytes(zmpeg3_t *zsrc,int64_t bytes);
+int mpeg3_do_toc(zmpeg3_t *zsrc,int64_t *bytes_processed);
+void mpeg3_stop_toc(zmpeg3_t *zsrc);
+int64_t mpeg3_get_source_date(zmpeg3_t *zsrc);
+int64_t mpeg3_calculate_source_date(char *path);
+int mpeg3_index_tracks(zmpeg3_t *zsrc);
+int mpeg3_index_channels(zmpeg3_t *zsrc,int track);
+int mpeg3_index_zoom(zmpeg3_t *zsrc);
+int mpeg3_index_size(zmpeg3_t *zsrc,int track);
+float *mpeg3_index_data(zmpeg3_t *zsrc,int track,int channel);
+int mpeg3_has_toc(zmpeg3_t *zsrc);
+char *mpeg3_title_path(zmpeg3_t *zsrc,int number);
+// hooks needed for quicktime
+typedef struct {} mpeg3_layer_t;
+int mpeg3audio_dolayer3(mpeg3_layer_t *audio,
+ char *frame, int frame_size, float **output, int render);
+int mpeg3_layer_header(mpeg3_layer_t *layer_data, unsigned char *data);
+void mpeg3_layer_reset(mpeg3_layer_t *zlayer_data);
+mpeg3_layer_t* mpeg3_new_layer();
+void mpeg3_delete_layer(mpeg3_layer_t *audio);
+// hooks needed for mplexlo
+void mpeg3_skip_video_frame(mpeg3_t *zsrc, int stream);
+int64_t mpeg3_video_tell_byte(mpeg3_t *zsrc, int stream);
+int64_t mpeg3_audio_tell_byte(mpeg3_t *zsrc, int stream);
+#ifdef ZDVB
+int mpeg3_dvb_channel_count(zmpeg3_t *zsrc);
+int mpeg3_dvb_get_channel(mpeg3_t *zsrc,int n, int *major, int *minor);
+int mpeg3_dvb_get_station_id(mpeg3_t *zsrc,int n, char *name);
+int mpeg3_dvb_total_astreams(mpeg3_t *zsrc,int n, int *count);
+int mpeg3_dvb_astream_number(mpeg3_t *zsrc,int n, int ord, int *stream, char *enc);
+int mpeg3_dvb_total_vstreams(mpeg3_t *zsrc,int n, int *count);
+int mpeg3_dvb_vstream_number(mpeg3_t *zsrc,int n, int ord, int *stream);
+int mpeg3_dvb_get_chan_info(mpeg3_t *zsrc,int n, int ord, int i, char *cp, int len);
+int mpeg3_dvb_get_system_time(mpeg3_t *zsrc, int64_t *tm);
+#endif
+#ifdef __cplusplus
+}
+#endif
+#endif