+++ /dev/null
-
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdarg.h>
-#include <fcntl.h>
-#include <limits.h>
-// work arounds (centos)
-#include <lzma.h>
-#ifndef INT64_MAX
-#define INT64_MAX 9223372036854775807LL
-#endif
-#define MAX_RETRY 1000
-
-#include "asset.h"
-#include "bccmodels.h"
-#include "bchash.h"
-#include "fileffmpeg.h"
-#include "file.h"
-#include "ffmpeg.h"
-#include "indexfile.h"
-#include "libdv.h"
-#include "libmjpeg.h"
-#include "mainerror.h"
-#include "mwindow.h"
-#include "vframe.h"
-
-
-#define VIDEO_INBUF_SIZE 0x10000
-#define AUDIO_INBUF_SIZE 0x10000
-#define VIDEO_REFILL_THRESH 0
-#define AUDIO_REFILL_THRESH 0x1000
-
-Mutex FFMPEG::fflock("FFMPEG::fflock");
-
-static void ff_err(int ret, const char *fmt, ...)
-{
- char msg[BCTEXTLEN];
- va_list ap;
- va_start(ap, fmt);
- vsnprintf(msg, sizeof(msg), fmt, ap);
- va_end(ap);
- char errmsg[BCSTRLEN];
- av_strerror(ret, errmsg, sizeof(errmsg));
- fprintf(stderr,_("%s err: %s\n"),msg, errmsg);
-}
-
-FFPacket::FFPacket()
-{
- init();
-}
-
-FFPacket::~FFPacket()
-{
- av_packet_unref(&pkt);
-}
-
-void FFPacket::init()
-{
- av_init_packet(&pkt);
- pkt.data = 0; pkt.size = 0;
-}
-
-FFrame::FFrame(FFStream *fst)
-{
- this->fst = fst;
- frm = av_frame_alloc();
- init = fst->init_frame(frm);
-}
-
-FFrame::~FFrame()
-{
- av_frame_free(&frm);
-}
-
-void FFrame::queue(int64_t pos)
-{
- position = pos;
- fst->queue(this);
-}
-
-void FFrame::dequeue()
-{
- fst->dequeue(this);
-}
-
-int FFAudioStream::read(float *fp, long len)
-{
- long n = len * nch;
- float *op = outp;
- while( n > 0 ) {
- int k = lmt - op;
- if( k > n ) k = n;
- n -= k;
- while( --k >= 0 ) *fp++ = *op++;
- if( op >= lmt ) op = bfr;
- }
- return len;
-}
-
-void FFAudioStream::realloc(long nsz, int nch, long len)
-{
- long bsz = nsz * nch;
- float *np = new float[bsz];
- inp = np + read(np, len) * nch;
- outp = np;
- lmt = np + bsz;
- this->nch = nch;
- sz = nsz;
- delete [] bfr; bfr = np;
-}
-
-void FFAudioStream::realloc(long nsz, int nch)
-{
- if( nsz > sz || this->nch != nch ) {
- long len = this->nch != nch ? 0 : hpos;
- if( len > sz ) len = sz;
- iseek(len);
- realloc(nsz, nch, len);
- }
-}
-
-void FFAudioStream::reserve(long nsz, int nch)
-{
- long len = (inp - outp) / nch;
- nsz += len;
- if( nsz > sz || this->nch != nch ) {
- if( this->nch != nch ) len = 0;
- realloc(nsz, nch, len);
- return;
- }
- if( (len*=nch) > 0 && bfr != outp )
- memmove(bfr, outp, len*sizeof(*bfr));
- outp = bfr;
- inp = bfr + len;
-}
-
-long FFAudioStream::used()
-{
- long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
- return len / nch;
-}
-long FFAudioStream::avail()
-{
- float *in1 = inp+1;
- if( in1 >= lmt ) in1 = bfr;
- long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
- return len / nch;
-}
-void FFAudioStream::reset_history()
-{
- inp = outp = bfr;
- hpos = 0;
-}
-
-void FFAudioStream::iseek(int64_t ofs)
-{
- outp = inp - ofs*nch;
- if( outp < bfr ) outp += sz*nch;
-}
-
-float *FFAudioStream::get_outp(int ofs)
-{
- float *ret = outp;
- outp += ofs*nch;
- return ret;
-}
-
-int64_t FFAudioStream::put_inp(int ofs)
-{
- inp += ofs*nch;
- return (inp-outp) / nch;
-}
-
-int FFAudioStream::write(const float *fp, long len)
-{
- long n = len * nch;
- float *ip = inp;
- while( n > 0 ) {
- int k = lmt - ip;
- if( k > n ) k = n;
- n -= k;
- while( --k >= 0 ) *ip++ = *fp++;
- if( ip >= lmt ) ip = bfr;
- }
- inp = ip;
- hpos += len;
- return len;
-}
-
-int FFAudioStream::zero(long len)
-{
- long n = len * nch;
- float *ip = inp;
- while( n > 0 ) {
- int k = lmt - ip;
- if( k > n ) k = n;
- n -= k;
- while( --k >= 0 ) *ip++ = 0;
- if( ip >= lmt ) ip = bfr;
- }
- inp = ip;
- hpos += len;
- return len;
-}
-
-// does not advance outp
-int FFAudioStream::read(double *dp, long len, int ch)
-{
- long n = len;
- float *op = outp + ch;
- float *lmt1 = lmt + nch-1;
- while( n > 0 ) {
- int k = (lmt1 - op) / nch;
- if( k > n ) k = n;
- n -= k;
- while( --k >= 0 ) { *dp++ = *op; op += nch; }
- if( op >= lmt ) op -= sz*nch;
- }
- return len;
-}
-
-// load linear buffer, no wrapping allowed, does not advance inp
-int FFAudioStream::write(const double *dp, long len, int ch)
-{
- long n = len;
- float *ip = inp + ch;
- while( --n >= 0 ) { *ip = *dp++; ip += nch; }
- return len;
-}
-
-
-FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx)
-{
- this->ffmpeg = ffmpeg;
- this->st = st;
- this->fidx = fidx;
- frm_lock = new Mutex("FFStream::frm_lock");
- fmt_ctx = 0;
- filter_graph = 0;
- buffersrc_ctx = 0;
- buffersink_ctx = 0;
- frm_count = 0;
- nudge = AV_NOPTS_VALUE;
- seek_pos = curr_pos = 0;
- seeked = 1; eof = 0;
- index_markers = 0;
- reading = writing = 0;
- flushed = 0;
- need_packet = 1;
- frame = fframe = 0;
-}
-
-FFStream::~FFStream()
-{
- if( reading > 0 || writing > 0 ) avcodec_close(st->codec);
- if( fmt_ctx ) avformat_close_input(&fmt_ctx);
- while( frms.first ) frms.remove(frms.first);
- if( filter_graph ) avfilter_graph_free(&filter_graph);
- if( frame ) av_frame_free(&frame);
- if( fframe ) av_frame_free(&fframe);
- bsfilter.remove_all_objects();
- delete frm_lock;
-}
-
-void FFStream::ff_lock(const char *cp)
-{
- FFMPEG::fflock.lock(cp);
-}
-
-void FFStream::ff_unlock()
-{
- FFMPEG::fflock.unlock();
-}
-
-void FFStream::queue(FFrame *frm)
-{
- frm_lock->lock("FFStream::queue");
- frms.append(frm);
- ++frm_count;
- frm_lock->unlock();
- ffmpeg->mux_lock->unlock();
-}
-
-void FFStream::dequeue(FFrame *frm)
-{
- frm_lock->lock("FFStream::dequeue");
- --frm_count;
- frms.remove_pointer(frm);
- frm_lock->unlock();
-}
-
-int FFStream::encode_activate()
-{
- if( writing < 0 )
- writing = ffmpeg->encode_activate();
- return writing;
-}
-
-int FFStream::decode_activate()
-{
- if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
- ff_lock("FFStream::decode_activate");
- reading = 0;
- AVDictionary *copts = 0;
- av_dict_copy(&copts, ffmpeg->opts, 0);
- int ret = 0;
- // this should be avformat_copy_context(), but no copy avail
- ret = avformat_open_input(&fmt_ctx, ffmpeg->fmt_ctx->filename, NULL, &copts);
- if( ret >= 0 ) {
- ret = avformat_find_stream_info(fmt_ctx, 0);
- st = fmt_ctx->streams[fidx];
- load_markers();
- }
- if( ret >= 0 ) {
- AVCodecID codec_id = st->codec->codec_id;
- AVCodec *decoder = avcodec_find_decoder(codec_id);
- ret = avcodec_open2(st->codec, decoder, &copts);
- if( ret >= 0 )
- reading = 1;
- else
- eprintf("FFStream::decode_activate: open decoder failed\n");
- }
- else
- eprintf("FFStream::decode_activate: can't clone input file\n");
- av_dict_free(&copts);
- ff_unlock();
- }
- return reading;
-}
-
-int FFStream::read_packet()
-{
- av_packet_unref(ipkt);
- int ret = av_read_frame(fmt_ctx, ipkt);
- if( ret < 0 ) {
- st_eof(1);
- if( ret == AVERROR_EOF ) {
- ipkt->stream_index = st->index;
- return 0;
- }
- ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
- flushed = 1;
- return -1;
- }
- return 1;
-}
-
-int FFStream::decode(AVFrame *frame)
-{
- int ret = 0;
- int retries = MAX_RETRY;
- int got_frame = 0;
-
- while( ret >= 0 && !flushed && --retries >= 0 && !got_frame ) {
- if( need_packet ) {
- need_packet = 0;
- if( (ret=read_packet()) < 0 ) break;
- }
- if( ipkt->stream_index == st->index ) {
- while( (ipkt->size > 0 || !ipkt->data) && !got_frame ) {
- ret = decode_frame(ipkt, frame, got_frame);
- if( ret <= 0 || !ipkt->data ) break;
- ipkt->data += ret;
- ipkt->size -= ret;
- }
- retries = MAX_RETRY;
- }
- if( !got_frame ) {
- need_packet = 1;
- flushed = st_eof();
- }
- }
-
- if( retries < 0 )
- fprintf(stderr, "FFStream::decode: Retry limit\n");
- if( ret >= 0 )
- ret = got_frame;
- else
- fprintf(stderr, "FFStream::decode: failed\n");
-
- return ret;
-}
-
-int FFStream::load_filter(AVFrame *frame)
-{
- int ret = av_buffersrc_add_frame_flags(buffersrc_ctx,
- frame, AV_BUFFERSRC_FLAG_KEEP_REF);
- if( ret < 0 ) {
- av_frame_unref(frame);
- eprintf("FFStream::load_filter: av_buffersrc_add_frame_flags failed\n");
- }
- return ret;
-}
-
-int FFStream::read_filter(AVFrame *frame)
-{
- int ret = av_buffersink_get_frame(buffersink_ctx, frame);
- if( ret < 0 ) {
- if( ret == AVERROR(EAGAIN) ) return 0;
- if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
- ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
- return ret;
- }
- return 1;
-}
-
-int FFStream::read_frame(AVFrame *frame)
-{
- if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
- return decode(frame);
- if( !fframe && !(fframe=av_frame_alloc()) ) {
- fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
- return -1;
- }
- int ret = -1;
- while( !flushed && !(ret=read_filter(frame)) ) {
- if( (ret=decode(fframe)) < 0 ) break;
- if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
- }
- return ret;
-}
-
-int FFStream::write_packet(FFPacket &pkt)
-{
- bs_filter(pkt);
- av_packet_rescale_ts(pkt, st->codec->time_base, st->time_base);
- pkt->stream_index = st->index;
- return av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
-}
-
-int FFStream::flush()
-{
- int ret = 0;
- while( ret >= 0 ) {
- FFPacket pkt;
- int got_packet = 0;
- ret = encode_frame(pkt, 0, got_packet);
- if( ret < 0 || !got_packet ) break;
- ret = write_packet(pkt);
- }
- if( ret < 0 )
- ff_err(ret, "FFStream::flush");
- return ret >= 0 ? 0 : 1;
-}
-
-int FFStream::seek(int64_t no, double rate)
-{
- if( no < 0 ) no = 0;
-// default ffmpeg native seek
- int npkts = 1;
- int64_t pos = no, plmt = -1;
- if( index_markers && index_markers->size() > 1 ) {
- IndexMarks &marks = *index_markers;
- int i = marks.find(pos);
- int64_t n = i < 0 ? (i=0) : marks[i].no;
-// if indexed seek point not too far away (<30 secs), use index
- if( no-n < 30*rate ) {
- if( n < 0 ) n = 0;
- pos = n;
- if( ++i < marks.size() ) plmt = marks[i].pos;
- npkts = MAX_RETRY;
- }
- }
- double secs = pos / rate;
- int64_t pkt_ts, tstmp = secs * st->time_base.den / st->time_base.num;
- if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
- int ret = avformat_seek_file(fmt_ctx, st->index,
- -INT64_MAX, tstmp, INT64_MAX, AVSEEK_FLAG_ANY);
- if( ret >= 0 ) {
- avcodec_flush_buffers(st->codec);
- need_packet = 0; flushed = 0;
- seeked = 1; st_eof(0);
-// read up to retry packets, limited to npkts in stream, and not past pkt.pos plmt
- for( int retry=MAX_RETRY; ret>=0 && --retry>=0; ) {
- if( read_packet() <= 0 ) { ret = -1; break; }
- if( plmt >= 0 && ipkt->pos >= plmt ) break;
- if( ipkt->stream_index != st->index ) continue;
- if( --npkts <= 0 ) break;
- if( (pkt_ts=ipkt->dts) == AV_NOPTS_VALUE &&
- (pkt_ts=ipkt->pts) == AV_NOPTS_VALUE ) continue;
- if( pkt_ts >= tstmp ) break;
- }
- }
- if( ret < 0 ) {
-//printf("** seek fail %ld, %ld\n", pos, tstmp);
- seeked = need_packet = 0;
- st_eof(flushed=1);
- return -1;
- }
-//printf("seeked pos = %ld, %ld\n", pos, tstmp);
- seek_pos = curr_pos = pos;
- return 0;
-}
-
-FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
- : FFStream(ffmpeg, strm, fidx)
-{
- this->idx = idx;
- channel0 = channels = 0;
- sample_rate = 0;
- mbsz = 0;
- length = 0;
- resample_context = 0;
-
- aud_bfr_sz = 0;
- aud_bfr = 0;
-
-// history buffer
- nch = 2;
- sz = 0x10000;
- long bsz = sz * nch;
- bfr = new float[bsz];
- lmt = bfr + bsz;
- reset_history();
-}
-
-FFAudioStream::~FFAudioStream()
-{
- if( resample_context ) swr_free(&resample_context);
- delete [] aud_bfr;
- delete [] bfr;
-}
-
-int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
-{
- samples = *(float **)data;
- if( resample_context ) {
- if( len > aud_bfr_sz ) {
- delete [] aud_bfr;
- aud_bfr = 0;
- }
- if( !aud_bfr ) {
- aud_bfr_sz = len;
- aud_bfr = new float[aud_bfr_sz*channels];
- }
- int ret = swr_convert(resample_context,
- (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
- if( ret < 0 ) {
- ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
- return -1;
- }
- samples = aud_bfr;
- len = ret;
- }
- return len;
-}
-
-int FFAudioStream::load_history(uint8_t **data, int len)
-{
- float *samples;
- len = get_samples(samples, data, len);
- if( len > 0 ) {
- // biggest user bfr since seek + frame
- realloc(mbsz + len + 1, channels);
- write(samples, len);
- }
- return len;
-}
-
-int FFAudioStream::decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame)
-{
- int first_frame = seeked; seeked = 0;
- int ret = avcodec_decode_audio4(st->codec, frame, &got_frame, pkt);
- if( ret < 0 ) {
- if( first_frame ) return 0;
- ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame\n");
- return -1;
- }
- if( got_frame ) {
- int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
- if( pkt_ts != AV_NOPTS_VALUE )
- curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * sample_rate + 0.5;
- }
- return ret;
-}
-
-int FFAudioStream::encode_activate()
-{
- if( writing >= 0 ) return writing;
- AVCodecContext *ctx = st->codec;
- frame_sz = ctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
- 10000 : ctx->frame_size;
- return FFStream::encode_activate();
-}
-
-int FFAudioStream::nb_samples()
-{
- AVCodecContext *ctx = st->codec;
- return ctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
- 10000 : ctx->frame_size;
-}
-
-int64_t FFAudioStream::load_buffer(double ** const sp, int len)
-{
- reserve(len+1, st->codec->channels);
- for( int ch=0; ch<nch; ++ch )
- write(sp[ch], len, ch);
- return put_inp(len);
-}
-
-int FFAudioStream::in_history(int64_t pos)
-{
- if( pos > curr_pos ) return 0;
- int64_t len = hpos;
- if( len > sz ) len = sz;
- if( pos < curr_pos - len ) return 0;
- return 1;
-}
-
-
-int FFAudioStream::init_frame(AVFrame *frame)
-{
- AVCodecContext *ctx = st->codec;
- frame->nb_samples = frame_sz;
- frame->format = ctx->sample_fmt;
- frame->channel_layout = ctx->channel_layout;
- frame->sample_rate = ctx->sample_rate;
- int ret = av_frame_get_buffer(frame, 0);
- if (ret < 0)
- ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
- return ret;
-}
-
-int FFAudioStream::load(int64_t pos, int len)
-{
- if( audio_seek(pos) < 0 ) return -1;
- if( !frame && !(frame=av_frame_alloc()) ) {
- fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
- return -1;
- }
- if( mbsz < len ) mbsz = len;
- int64_t end_pos = pos + len;
- int ret = 0;
- for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<MAX_RETRY; ++i ) {
- ret = read_frame(frame);
- if( ret > 0 ) {
- load_history(&frame->extended_data[0], frame->nb_samples);
- curr_pos += frame->nb_samples;
- }
- }
- if( end_pos > curr_pos ) {
- zero(end_pos - curr_pos);
- curr_pos = end_pos;
- }
- len = curr_pos - pos;
- iseek(len);
- return len;
-}
-
-int FFAudioStream::audio_seek(int64_t pos)
-{
- if( decode_activate() < 0 ) return -1;
- if( !st->codec || !st->codec->codec ) return -1;
- if( in_history(pos) ) return 0;
- if( pos == curr_pos ) return 0;
- reset_history(); mbsz = 0;
-// guarentee preload > 1sec samples
- if( seek(pos-sample_rate, sample_rate) < 0 ) return -1;
- return 1;
-}
-
-int FFAudioStream::encode(double **samples, int len)
-{
- if( encode_activate() <= 0 ) return -1;
- ffmpeg->flow_ctl();
- int ret = 0;
- int64_t count = load_buffer(samples, len);
- FFrame *frm = 0;
-
- while( ret >= 0 && count >= frame_sz ) {
- frm = new FFrame(this);
- if( (ret=frm->initted()) < 0 ) break;
- AVFrame *frame = *frm;
- float *bfrp = get_outp(frame_sz);
- ret = swr_convert(resample_context,
- (uint8_t **)frame->extended_data, frame_sz,
- (const uint8_t **)&bfrp, frame_sz);
- if( ret < 0 ) {
- ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
- break;
- }
- frm->queue(curr_pos);
- frm = 0;
- curr_pos += frame_sz;
- count -= frame_sz;
- }
-
- delete frm;
- return ret >= 0 ? 0 : 1;
-}
-
-int FFAudioStream::encode_frame(AVPacket *pkt, AVFrame *frame, int &got_packet)
-{
- int ret = avcodec_encode_audio2(st->codec, pkt, frame, &got_packet);
- if( ret < 0 ) {
- ff_err(ret, "FFAudioStream::encode_frame: encode audio failed\n");
- return -1;
- }
- return ret;
-}
-
-void FFAudioStream::load_markers()
-{
- IndexState *index_state = ffmpeg->file_base->asset->index_state;
- if( !index_state || idx >= index_state->audio_markers.size() ) return;
- FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
-}
-
-FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
- : FFStream(ffmpeg, strm, fidx)
-{
- this->idx = idx;
- width = height = 0;
- frame_rate = 0;
- aspect_ratio = 0;
- length = 0;
-}
-
-FFVideoStream::~FFVideoStream()
-{
-}
-
-int FFVideoStream::decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame)
-{
- int first_frame = seeked; seeked = 0;
- int ret = avcodec_decode_video2(st->codec, frame, &got_frame, pkt);
- if( ret < 0 ) {
- if( first_frame ) return 0;
- ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame\n");
- return -1;
- }
- if( got_frame ) {
- int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
- if( pkt_ts != AV_NOPTS_VALUE )
- curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
- }
- return ret;
-}
-
-int FFVideoStream::load(VFrame *vframe, int64_t pos)
-{
- int ret = video_seek(pos);
- if( ret < 0 ) return -1;
- if( !frame && !(frame=av_frame_alloc()) ) {
- fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
- return -1;
- }
- for( int i=0; ret>=0 && !flushed && curr_pos<=pos && i<MAX_RETRY; ++i ) {
- ret = read_frame(frame);
- if( ret > 0 ) ++curr_pos;
- }
- if( ret >= 0 ) {
- AVCodecContext *ctx = st->codec;
- ret = convert_cmodel(vframe, frame,
- ctx->pix_fmt, ctx->width, ctx->height);
- }
- ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
- return ret;
-}
-
-int FFVideoStream::video_seek(int64_t pos)
-{
- if( decode_activate() < 0 ) return -1;
- if( !st->codec || !st->codec->codec ) return -1;
- if( pos == curr_pos-1 && !seeked ) return 0;
-// if close enough, just read up to current
- int gop = st->codec->gop_size;
- if( gop < 4 ) gop = 4;
- if( gop > 64 ) gop = 64;
- int read_limit = curr_pos + 3*gop;
- if( pos >= curr_pos && pos <= read_limit ) return 0;
-// guarentee preload more than 2*gop frames
- if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
- return 1;
-}
-
-int FFVideoStream::init_frame(AVFrame *picture)
-{
- AVCodecContext *ctx = st->codec;
- picture->format = ctx->pix_fmt;
- picture->width = ctx->width;
- picture->height = ctx->height;
- int ret = av_frame_get_buffer(picture, 32);
- return ret;
-}
-
-int FFVideoStream::encode(VFrame *vframe)
-{
- if( encode_activate() <= 0 ) return -1;
- ffmpeg->flow_ctl();
- FFrame *picture = new FFrame(this);
- int ret = picture->initted();
- if( ret >= 0 ) {
- AVFrame *frame = *picture;
- frame->pts = curr_pos;
- AVCodecContext *ctx = st->codec;
- ret = convert_pixfmt(vframe, frame,
- ctx->pix_fmt, ctx->width, ctx->height);
- }
- if( ret >= 0 ) {
- picture->queue(curr_pos);
- ++curr_pos;
- }
- else {
- fprintf(stderr, "FFVideoStream::encode: encode failed\n");
- delete picture;
- }
- return ret >= 0 ? 0 : 1;
-}
-
-int FFVideoStream::encode_frame(AVPacket *pkt, AVFrame *frame, int &got_packet)
-{
- int ret = avcodec_encode_video2(st->codec, pkt, frame, &got_packet);
- if( ret < 0 ) {
- ff_err(ret, "FFVideoStream::encode_frame: encode video failed\n");
- return -1;
- }
- return ret;
-}
-
-AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
-{
- switch( color_model ) {
- case BC_YUV422: return AV_PIX_FMT_YUYV422;
- case BC_RGB888: return AV_PIX_FMT_RGB24;
- case BC_RGBA8888: return AV_PIX_FMT_RGBA;
- case BC_BGR8888: return AV_PIX_FMT_BGR0;
- case BC_BGR888: return AV_PIX_FMT_BGR24;
- case BC_YUV420P: return AV_PIX_FMT_YUV420P;
- case BC_YUV422P: return AV_PIX_FMT_YUV422P;
- case BC_YUV444P: return AV_PIX_FMT_YUV444P;
- case BC_YUV411P: return AV_PIX_FMT_YUV411P;
- case BC_RGB565: return AV_PIX_FMT_RGB565;
- case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
- case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
- default: break;
- }
-
- return AV_PIX_FMT_NB;
-}
-
-int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
-{
- switch (pix_fmt) {
- case AV_PIX_FMT_YUYV422: return BC_YUV422;
- case AV_PIX_FMT_RGB24: return BC_RGB888;
- case AV_PIX_FMT_RGBA: return BC_RGBA8888;
- case AV_PIX_FMT_BGR0: return BC_BGR8888;
- case AV_PIX_FMT_BGR24: return BC_BGR888;
- case AV_PIX_FMT_YUV420P: return BC_YUV420P;
- case AV_PIX_FMT_YUV422P: return BC_YUV422P;
- case AV_PIX_FMT_YUV444P: return BC_YUV444P;
- case AV_PIX_FMT_YUV411P: return BC_YUV411P;
- case AV_PIX_FMT_RGB565: return BC_RGB565;
- case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
- case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
- default: break;
- }
-
- return BC_TRANSPARENCY;
-}
-
-int FFVideoConvert::convert_picture_vframe(VFrame *frame,
- AVFrame *ip, AVPixelFormat ifmt, int iw, int ih)
-{
- AVFrame opic;
- int cmodel = frame->get_color_model();
- AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
- if( ofmt == AV_PIX_FMT_NB ) return -1;
- int size = av_image_fill_arrays(opic.data, opic.linesize,
- frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
- if( size < 0 ) return -1;
-
- // transfer line sizes must match also
- int planar = BC_CModels::is_planar(cmodel);
- int packed_width = !planar ? frame->get_bytes_per_line() :
- BC_CModels::calculate_pixelsize(cmodel) * frame->get_w();
- if( packed_width != opic.linesize[0] ) return -1;
-
- if( planar ) {
- // override av_image_fill_arrays() for planar types
- opic.data[0] = frame->get_y();
- opic.data[1] = frame->get_u();
- opic.data[2] = frame->get_v();
- }
-
- convert_ctx = sws_getCachedContext(convert_ctx, iw, ih, ifmt,
- frame->get_w(), frame->get_h(), ofmt, SWS_BICUBIC, NULL, NULL, NULL);
- if( !convert_ctx ) {
- fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
- " sws_getCachedContext() failed\n");
- return -1;
- }
- int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ih,
- opic.data, opic.linesize);
- if( ret < 0 ) {
- ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\n");
- return -1;
- }
- return 0;
-}
-
-int FFVideoConvert::convert_cmodel(VFrame *frame,
- AVFrame *ip, AVPixelFormat ifmt, int iw, int ih)
-{
- // try direct transfer
- if( !convert_picture_vframe(frame, ip, ifmt, iw, ih) ) return 1;
- // use indirect transfer
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
- int max_bits = 0;
- for( int i = 0; i <desc->nb_components; ++i ) {
- int bits = desc->comp[i].depth;
- if( bits > max_bits ) max_bits = bits;
- }
-// from libavcodec/pixdesc.c
-#define pixdesc_has_alpha(pixdesc) ((pixdesc)->nb_components == 2 || \
- (pixdesc)->nb_components == 4 || (pixdesc)->flags & AV_PIX_FMT_FLAG_PAL)
- int icolor_model = pixdesc_has_alpha(desc) ?
- (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
- (max_bits > 8 ? BC_RGB161616 : BC_RGB888) ;
- VFrame vframe(iw, ih, icolor_model);
- if( convert_picture_vframe(&vframe, ip, ifmt, iw, ih) ) return -1;
- frame->transfer_from(&vframe);
- return 1;
-}
-
-int FFVideoConvert::transfer_cmodel(VFrame *frame,
- AVFrame *ifp, AVPixelFormat ifmt, int iw, int ih)
-{
- int ret = convert_cmodel(frame, ifp, ifmt, iw, ih);
- if( ret > 0 ) {
- const AVDictionary *src = av_frame_get_metadata(ifp);
- AVDictionaryEntry *t = NULL;
- BC_Hash *hp = frame->get_params();
- //hp->clear();
- while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
- hp->update(t->key, t->value);
- }
- return ret;
-}
-
-int FFVideoConvert::convert_vframe_picture(VFrame *frame,
- AVFrame *op, AVPixelFormat ofmt, int ow, int oh)
-{
- AVFrame opic;
- int cmodel = frame->get_color_model();
- AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
- if( ifmt == AV_PIX_FMT_NB ) return -1;
- int size = av_image_fill_arrays(opic.data, opic.linesize,
- frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
- if( size < 0 ) return -1;
-
- // transfer line sizes must match also
- int planar = BC_CModels::is_planar(cmodel);
- int packed_width = !planar ? frame->get_bytes_per_line() :
- BC_CModels::calculate_pixelsize(cmodel) * frame->get_w();
- if( packed_width != opic.linesize[0] ) return -1;
-
- if( planar ) {
- // override av_image_fill_arrays() for planar types
- opic.data[0] = frame->get_y();
- opic.data[1] = frame->get_u();
- opic.data[2] = frame->get_v();
- }
-
- convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(), ifmt,
- ow, oh, ofmt, SWS_BICUBIC, NULL, NULL, NULL);
- if( !convert_ctx ) {
- fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
- " sws_getCachedContext() failed\n");
- return -1;
- }
- int ret = sws_scale(convert_ctx, opic.data, opic.linesize, 0, frame->get_h(),
- op->data, op->linesize);
- if( ret < 0 ) {
- ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
- return -1;
- }
- return 0;
-}
-
-int FFVideoConvert::convert_pixfmt(VFrame *frame,
- AVFrame *op, AVPixelFormat ofmt, int ow, int oh)
-{
- // try direct transfer
- if( !convert_vframe_picture(frame, op, ofmt, ow, oh) ) return 1;
- // use indirect transfer
- int colormodel = frame->get_color_model();
- int bits = BC_CModels::calculate_pixelsize(colormodel) * 8;
- bits /= BC_CModels::components(colormodel);
- int icolor_model = BC_CModels::has_alpha(colormodel) ?
- (bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
- (bits > 8 ? BC_RGB161616: BC_RGB888) ;
- VFrame vframe(frame->get_w(), frame->get_h(), icolor_model);
- vframe.transfer_from(frame);
- if( !convert_vframe_picture(&vframe, op, ofmt, ow, oh) ) return 1;
- return -1;
-}
-
-int FFVideoConvert::transfer_pixfmt(VFrame *frame,
- AVFrame *ofp, AVPixelFormat ofmt, int ow, int oh)
-{
- int ret = convert_pixfmt(frame, ofp, ofmt, ow, oh);
- if( ret > 0 ) {
- BC_Hash *hp = frame->get_params();
- AVDictionary **dict = avpriv_frame_get_metadatap(ofp);
- //av_dict_free(dict);
- for( int i=0; i<hp->size(); ++i ) {
- char *key = hp->get_key(i), *val = hp->get_value(i);
- av_dict_set(dict, key, val, 0);
- }
- }
- return ret;
-}
-
-void FFVideoStream::load_markers()
-{
- IndexState *index_state = ffmpeg->file_base->asset->index_state;
- if( idx >= index_state->video_markers.size() ) return;
- FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
-}
-
-
-FFMPEG::FFMPEG(FileBase *file_base)
-{
- fmt_ctx = 0;
- this->file_base = file_base;
- memset(file_format,0,sizeof(file_format));
- mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
- flow_lock = new Condition(1,"FFStream::flow_lock",0);
- done = -1;
- flow = 1;
- decoding = encoding = 0;
- has_audio = has_video = 0;
- opts = 0;
- opt_duration = -1;
- opt_video_filter = 0;
- opt_audio_filter = 0;
- char option_path[BCTEXTLEN];
- set_option_path(option_path, "%s", "ffmpeg.opts");
- read_options(option_path, opts);
-}
-
-FFMPEG::~FFMPEG()
-{
- ff_lock("FFMPEG::~FFMPEG()");
- close_encoder();
- ffaudio.remove_all_objects();
- ffvideo.remove_all_objects();
- if( fmt_ctx ) avformat_close_input(&fmt_ctx);
- ff_unlock();
- delete flow_lock;
- delete mux_lock;
- av_dict_free(&opts);
- delete [] opt_video_filter;
- delete [] opt_audio_filter;
-}
-
-int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
-{
- const int *p = codec->supported_samplerates;
- if( !p ) return sample_rate;
- while( *p != 0 ) {
- if( *p == sample_rate ) return *p;
- ++p;
- }
- return 0;
-}
-
-static inline AVRational std_frame_rate(int i)
-{
- static const int m1 = 1001*12, m2 = 1000*12;
- static const int freqs[] = {
- 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
- 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
- };
- int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
- return (AVRational) { freq, 1001*12 };
-}
-
-AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
-{
- const AVRational *p = codec->supported_framerates;
- AVRational rate, best_rate = (AVRational) { 0, 0 };
- double max_err = 1.; int i = 0;
- while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
- double framerate = (double) rate.num / rate.den;
- double err = fabs(frame_rate/framerate - 1.);
- if( err >= max_err ) continue;
- max_err = err;
- best_rate = rate;
- }
- return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
-}
-
-AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
-{
-#if 1
- double display_aspect = asset->width / (double)asset->height;
- double sample_aspect = asset->aspect_ratio / display_aspect;
- int width = 1000000, height = width * sample_aspect + 0.5;
- float w, h;
- MWindow::create_aspect_ratio(w, h, width, height);
- return (AVRational){(int)h, (int)w};
-#else
-// square pixels
- return (AVRational){1, 1};
-#endif
-}
-
-AVRational FFMPEG::to_time_base(int sample_rate)
-{
- return (AVRational){1, sample_rate};
-}
-
-void FFMPEG::set_option_path(char *path, const char *fmt, ...)
-{
- get_exe_path(path);
- strcat(path, "/ffmpeg/");
- path += strlen(path);
- va_list ap;
- va_start(ap, fmt);
- vsprintf(path, fmt, ap);
- va_end(ap);
-}
-
-void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
-{
- if( *spec == '/' )
- strcpy(path, spec);
- else
- set_option_path(path, "%s/%s", type, spec);
-}
-
-int FFMPEG::get_format(char *format, const char *path, char *spec)
-{
- char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
- get_option_path(option_path, path, spec);
- FILE *fp = fopen(option_path,"r");
- if( !fp ) return 1;
- int ret = 0;
- if( !fgets(line, sizeof(line), fp) ) ret = 1;
- if( !ret ) {
- line[sizeof(line)-1] = 0;
- ret = scan_option_line(line, format, codec);
- }
- fclose(fp);
- return ret;
-}
-
-int FFMPEG::get_file_format()
-{
- int ret = 0;
- char audio_format[BCSTRLEN], video_format[BCSTRLEN];
- file_format[0] = audio_format[0] = video_format[0] = 0;
- Asset *asset = file_base->asset;
- if( !ret && asset->audio_data )
- ret = get_format(audio_format, "audio", asset->acodec);
- if( !ret && asset->video_data )
- ret = get_format(video_format, "video", asset->vcodec);
- if( !ret && !audio_format[0] && !video_format[0] )
- ret = 1;
- if( !ret && audio_format[0] && video_format[0] &&
- strcmp(audio_format, video_format) ) ret = -1;
- if( !ret )
- strcpy(file_format, audio_format[0] ? audio_format : video_format);
- return ret;
-}
-
-int FFMPEG::scan_option_line(char *cp, char *tag, char *val)
-{
- while( *cp == ' ' || *cp == '\t' ) ++cp;
- char *bp = cp;
- while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' ) ++cp;
- int len = cp - bp;
- if( !len || len > BCSTRLEN-1 ) return 1;
- while( bp < cp ) *tag++ = *bp++;
- *tag = 0;
- while( *cp == ' ' || *cp == '\t' ) ++cp;
- if( *cp == '=' ) ++cp;
- while( *cp == ' ' || *cp == '\t' ) ++cp;
- bp = cp;
- while( *cp && *cp != '\n' ) ++cp;
- len = cp - bp;
- if( len > BCTEXTLEN-1 ) return 1;
- while( bp < cp ) *val++ = *bp++;
- *val = 0;
- return 0;
-}
-
-int FFMPEG::get_encoder(const char *options,
- char *format, char *codec, char *bsfilter, char *bsargs)
-{
- FILE *fp = fopen(options,"r");
- if( !fp ) {
- eprintf("FFMPEG::get_encoder: options open failed %s\n",options);
- return 1;
- }
- if( get_encoder(fp, format, codec, bsfilter, bsargs) )
- eprintf(_("FFMPEG::get_encoder:"
- " err: format/codec not found %s\n"), options);
- fclose(fp);
- return 0;
-}
-
-int FFMPEG::get_encoder(FILE *fp,
- char *format, char *codec, char *bsfilter, char *bsargs)
-{
- format[0] = codec[0] = bsfilter[0] = bsargs[0] = 0;
- char line[BCTEXTLEN];
- if( !fgets(line, sizeof(line), fp) ) return 1;
- line[sizeof(line)-1] = 0;
- if( scan_option_line(line, format, codec) ) return 1;
- char *cp = codec;
- while( *cp && *cp != '|' ) ++cp;
- if( !*cp ) return 0;
- if( scan_option_line(cp+1, bsfilter, bsargs) ) return 1;
- do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
- return 0;
-}
-
-int FFMPEG::read_options(const char *options, AVDictionary *&opts)
-{
- FILE *fp = fopen(options,"r");
- if( !fp ) return 1;
- int ret = read_options(fp, options, opts);
- fclose(fp);
- return ret;
-}
-
-int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
-{
- FILE *fp = fmemopen((void *)options,strlen(options),"r");
- if( !fp ) return 0;
- int ret = read_options(fp, options, opts);
- fclose(fp);
- AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
- if( tag ) st->id = strtol(tag->value,0,0);
- return ret;
-}
-
-int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
-{
- int ret = 0, no = 0;
- char line[BCTEXTLEN];
- while( !ret && fgets(line, sizeof(line), fp) ) {
- line[sizeof(line)-1] = 0;
- ++no;
- if( line[0] == '#' ) continue;
- if( line[0] == '\n' ) continue;
- char key[BCSTRLEN], val[BCTEXTLEN];
- if( scan_option_line(line, key, val) ) {
- eprintf(_("FFMPEG::read_options:"
- " err reading %s: line %d\n"), options, no);
- ret = 1;
- }
- if( !ret ) {
- if( !strcmp(key, "duration") )
- opt_duration = strtod(val, 0);
- else if( !strcmp(key, "video_filter") )
- opt_video_filter = cstrdup(val);
- else if( !strcmp(key, "audio_filter") )
- opt_audio_filter = cstrdup(val);
- else if( !strcmp(key, "loglevel") )
- set_loglevel(val);
- else
- av_dict_set(&opts, key, val, 0);
- }
- }
- return ret;
-}
-
-int FFMPEG::load_options(const char *options, AVDictionary *&opts)
-{
- char option_path[BCTEXTLEN];
- set_option_path(option_path, "%s", options);
- return read_options(option_path, opts);
-}
-
-int FFMPEG::load_options(const char *path, char *bfr, int len)
-{
- *bfr = 0;
- FILE *fp = fopen(path, "r");
- if( !fp ) return 1;
- fgets(bfr, len, fp); // skip hdr
- len = fread(bfr, 1, len-1, fp);
- if( len < 0 ) len = 0;
- bfr[len] = 0;
- fclose(fp);
- return 0;
-}
-
-void FFMPEG::set_loglevel(const char *ap)
-{
- if( !ap || !*ap ) return;
- const struct {
- const char *name;
- int level;
- } log_levels[] = {
- { "quiet" , AV_LOG_QUIET },
- { "panic" , AV_LOG_PANIC },
- { "fatal" , AV_LOG_FATAL },
- { "error" , AV_LOG_ERROR },
- { "warning", AV_LOG_WARNING },
- { "info" , AV_LOG_INFO },
- { "verbose", AV_LOG_VERBOSE },
- { "debug" , AV_LOG_DEBUG },
- };
- for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
- if( !strcmp(log_levels[i].name, ap) ) {
- av_log_set_level(log_levels[i].level);
- return;
- }
- }
- av_log_set_level(atoi(ap));
-}
-
-double FFMPEG::to_secs(int64_t time, AVRational time_base)
-{
- double base_time = time == AV_NOPTS_VALUE ? 0 :
- av_rescale_q(time, time_base, AV_TIME_BASE_Q);
- return base_time / AV_TIME_BASE;
-}
-
-int FFMPEG::info(char *text, int len)
-{
- if( len <= 0 ) return 0;
- decode_activate();
-#define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
- char *cp = text;
- if( ffvideo.size() > 0 )
- report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
- for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
- FFVideoStream *vid = ffvideo[vidx];
- AVStream *st = vid->st;
- AVCodecContext *avctx = st->codec;
- report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, avctx->codec_id);
- const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
- report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
- report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
- const char *pfn = av_get_pix_fmt_name(avctx->pix_fmt);
- report(" pix %s\n", pfn ? pfn : "(unkn)");
- double secs = to_secs(st->duration, st->time_base);
- int64_t length = secs * vid->frame_rate + 0.5;
- double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
- int64_t nudge = ofs * vid->frame_rate;
- int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
- report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
- int hrs = secs/3600; secs -= hrs*3600;
- int mins = secs/60; secs -= mins*60;
- report(" %d:%02d:%05.2f\n", hrs, mins, secs);
- }
- if( ffaudio.size() > 0 )
- report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
- for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
- FFAudioStream *aud = ffaudio[aidx];
- AVStream *st = aud->st;
- AVCodecContext *avctx = st->codec;
- report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, avctx->codec_id);
- const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
- int nch = aud->channels, ch0 = aud->channel0+1;
- report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
- const char *fmt = av_get_sample_fmt_name(avctx->sample_fmt);
- report(" %s %d", fmt, aud->sample_rate);
- int sample_bits = av_get_bits_per_sample(avctx->codec_id);
- report(" %dbits\n", sample_bits);
- double secs = to_secs(st->duration, st->time_base);
- int64_t length = secs * aud->sample_rate + 0.5;
- double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
- int64_t nudge = ofs * aud->sample_rate;
- int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
- report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
- int hrs = secs/3600; secs -= hrs*3600;
- int mins = secs/60; secs -= mins*60;
- report(" %d:%02d:%05.2f\n", hrs, mins, secs);
- }
- if( fmt_ctx->nb_programs > 0 )
- report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
- for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
- report("program %d", i+1);
- AVProgram *pgrm = fmt_ctx->programs[i];
- for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int idx = pgrm->stream_index[j];
- int vidx = ffvideo.size();
- while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
- if( vidx >= 0 ) {
- report(", vid%d", vidx);
- continue;
- }
- int aidx = ffaudio.size();
- while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
- if( aidx >= 0 ) {
- report(", aud%d", aidx);
- continue;
- }
- report(", (%d)", pgrm->stream_index[j]);
- }
- report("\n");
- }
- report("\n");
- AVDictionaryEntry *tag = 0;
- while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
- report("%s=%s\n", tag->key, tag->value);
-
- if( !len ) --cp;
- *cp = 0;
- return cp - text;
-#undef report
-}
-
-
-int FFMPEG::init_decoder(const char *filename)
-{
- ff_lock("FFMPEG::init_decoder");
- av_register_all();
- char file_opts[BCTEXTLEN];
- char *bp = strrchr(strcpy(file_opts, filename), '/');
- char *sp = strrchr(!bp ? file_opts : bp, '.');
- FILE *fp = 0;
- if( sp ) {
- strcpy(sp, ".opts");
- fp = fopen(file_opts, "r");
- }
- if( fp ) {
- read_options(fp, file_opts, opts);
- fclose(fp);
- }
- else
- load_options("decode.opts", opts);
- AVDictionary *fopts = 0;
- av_dict_copy(&fopts, opts, 0);
- int ret = avformat_open_input(&fmt_ctx, filename, NULL, &fopts);
- av_dict_free(&fopts);
- if( ret >= 0 )
- ret = avformat_find_stream_info(fmt_ctx, NULL);
- if( !ret ) {
- decoding = -1;
- }
- ff_unlock();
- return !ret ? 0 : 1;
-}
-
-int FFMPEG::open_decoder()
-{
- struct stat st;
- if( stat(fmt_ctx->filename, &st) < 0 ) {
- eprintf("FFMPEG::open_decoder: can't stat file: %s\n",
- fmt_ctx->filename);
- return 1;
- }
-
- int64_t file_bits = 8 * st.st_size;
- if( !fmt_ctx->bit_rate && opt_duration > 0 )
- fmt_ctx->bit_rate = file_bits / opt_duration;
-
- int estimated = 0;
- if( fmt_ctx->bit_rate > 0 ) {
- for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
- AVStream *st = fmt_ctx->streams[i];
- if( st->duration != AV_NOPTS_VALUE ) continue;
- if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
- st->duration = av_rescale(file_bits, st->time_base.den,
- fmt_ctx->bit_rate * (int64_t) st->time_base.num);
- estimated = 1;
- }
- }
- if( estimated )
- printf("FFMPEG::open_decoder: some stream times estimated\n");
-
- ff_lock("FFMPEG::open_decoder");
- int bad_time = 0;
- for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
- AVStream *st = fmt_ctx->streams[i];
- if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
- AVCodecContext *avctx = st->codec;
- const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avctx->codec_id);
- if( !codec_desc ) continue;
- if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
- if( avctx->width < 1 ) continue;
- if( avctx->height < 1 ) continue;
- AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
- if( framerate.num < 1 ) continue;
- has_video = 1;
- int vidx = ffvideo.size();
- FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
- vstrm_index.append(ffidx(vidx, 0));
- ffvideo.append(vid);
- vid->width = avctx->width;
- vid->height = avctx->height;
- vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
- double secs = to_secs(st->duration, st->time_base);
- vid->length = secs * vid->frame_rate;
- vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
- vid->nudge = st->start_time;
- vid->reading = -1;
- if( opt_video_filter )
- vid->create_filter(opt_video_filter, avctx,avctx);
- }
- else if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
- if( avctx->channels < 1 ) continue;
- if( avctx->sample_rate < 1 ) continue;
- has_audio = 1;
- int aidx = ffaudio.size();
- FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
- ffaudio.append(aud);
- aud->channel0 = astrm_index.size();
- aud->channels = avctx->channels;
- for( int ch=0; ch<aud->channels; ++ch )
- astrm_index.append(ffidx(aidx, ch));
- aud->sample_rate = avctx->sample_rate;
- double secs = to_secs(st->duration, st->time_base);
- aud->length = secs * aud->sample_rate;
- if( avctx->sample_fmt != AV_SAMPLE_FMT_FLT ) {
- uint64_t layout = av_get_default_channel_layout(avctx->channels);
- if( !layout ) layout = ((uint64_t)1<<aud->channels) - 1;
- aud->resample_context = swr_alloc_set_opts(NULL,
- layout, AV_SAMPLE_FMT_FLT, avctx->sample_rate,
- layout, avctx->sample_fmt, avctx->sample_rate,
- 0, NULL);
- swr_init(aud->resample_context);
- }
- aud->nudge = st->start_time;
- aud->reading = -1;
- if( opt_audio_filter )
- aud->create_filter(opt_audio_filter, avctx,avctx);
- }
- }
- if( bad_time )
- printf("FFMPEG::open_decoder: some stream have bad times\n");
- ff_unlock();
- return 0;
-}
-
-
-int FFMPEG::init_encoder(const char *filename)
-{
- int fd = ::open(filename,O_WRONLY);
- if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
- if( fd < 0 ) {
- eprintf("FFMPEG::init_encoder: bad file path: %s\n", filename);
- return 1;
- }
- ::close(fd);
- int ret = get_file_format();
- if( ret > 0 ) {
- eprintf("FFMPEG::init_encoder: bad file format: %s\n", filename);
- return 1;
- }
- if( ret < 0 ) {
- eprintf("FFMPEG::init_encoder: mismatch audio/video file format: %s\n", filename);
- return 1;
- }
- ff_lock("FFMPEG::init_encoder");
- av_register_all();
- avformat_alloc_output_context2(&fmt_ctx, 0, file_format, filename);
- if( !fmt_ctx ) {
- eprintf("FFMPEG::init_encoder: failed: %s\n", filename);
- ret = 1;
- }
- if( !ret ) {
- encoding = -1;
- load_options("encode.opts", opts);
- }
- ff_unlock();
- return ret;
-}
-
-int FFMPEG::open_encoder(const char *type, const char *spec)
-{
-
- Asset *asset = file_base->asset;
- char *filename = asset->path;
- AVDictionary *sopts = 0;
- av_dict_copy(&sopts, opts, 0);
- char option_path[BCTEXTLEN];
- set_option_path(option_path, "%s/%s.opts", type, type);
- read_options(option_path, sopts);
- get_option_path(option_path, type, spec);
- char format_name[BCSTRLEN], codec_name[BCTEXTLEN];
- char bsfilter[BCSTRLEN], bsargs[BCTEXTLEN];
- if( get_encoder(option_path, format_name, codec_name, bsfilter, bsargs) ) {
- eprintf("FFMPEG::open_encoder: get_encoder failed %s:%s\n",
- option_path, filename);
- return 1;
- }
-
- if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
- else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
- else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
-
- int ret = 0;
- ff_lock("FFMPEG::open_encoder");
- FFStream *fst = 0;
- AVStream *st = 0;
-
- const AVCodecDescriptor *codec_desc = 0;
- AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
- if( !codec ) {
- eprintf("FFMPEG::open_encoder: cant find codec %s:%s\n",
- codec_name, filename);
- ret = 1;
- }
- if( !ret ) {
- codec_desc = avcodec_descriptor_get(codec->id);
- if( !codec_desc ) {
- eprintf("FFMPEG::open_encoder: unknown codec %s:%s\n",
- codec_name, filename);
- ret = 1;
- }
- }
- if( !ret ) {
- st = avformat_new_stream(fmt_ctx, 0);
- if( !st ) {
- eprintf("FFMPEG::open_encoder: cant create stream %s:%s\n",
- codec_name, filename);
- ret = 1;
- }
- }
- if( !ret ) {
- AVCodecContext *ctx = st->codec;
- switch( codec_desc->type ) {
- case AVMEDIA_TYPE_AUDIO: {
- if( has_audio ) {
- eprintf("FFMPEG::open_encoder: duplicate audio %s:%s\n",
- codec_name, filename);
- ret = 1;
- break;
- }
- has_audio = 1;
- if( scan_options(asset->ff_audio_options, sopts, st) ) {
- eprintf("FFMPEG::open_encoder: bad audio options %s:%s\n",
- codec_name, filename);
- ret = 1;
- break;
- }
- if( asset->ff_audio_bitrate > 0 ) {
- ctx->bit_rate = asset->ff_audio_bitrate;
- char arg[BCSTRLEN];
- sprintf(arg, "%d", asset->ff_audio_bitrate);
- av_dict_set(&sopts, "b", arg, 0);
- }
- int aidx = ffaudio.size();
- int fidx = aidx + ffvideo.size();
- FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
- ffaudio.append(aud); fst = aud;
- aud->sample_rate = asset->sample_rate;
- ctx->channels = aud->channels = asset->channels;
- for( int ch=0; ch<aud->channels; ++ch )
- astrm_index.append(ffidx(aidx, ch));
- ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
- ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
- if( !ctx->sample_rate ) {
- eprintf("FFMPEG::open_encoder:"
- " check_sample_rate failed %s\n", filename);
- ret = 1;
- break;
- }
- ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
- ctx->sample_fmt = codec->sample_fmts[0];
- uint64_t layout = av_get_default_channel_layout(ctx->channels);
- aud->resample_context = swr_alloc_set_opts(NULL,
- layout, ctx->sample_fmt, aud->sample_rate,
- layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
- 0, NULL);
- swr_init(aud->resample_context);
- aud->writing = -1;
- break; }
- case AVMEDIA_TYPE_VIDEO: {
- if( has_video ) {
- eprintf("FFMPEG::open_encoder: duplicate video %s:%s\n",
- codec_name, filename);
- ret = 1;
- break;
- }
- has_video = 1;
- if( scan_options(asset->ff_video_options, sopts, st) ) {
- eprintf("FFMPEG::open_encoder: bad video options %s:%s\n",
- codec_name, filename);
- ret = 1;
- break;
- }
- if( asset->ff_video_bitrate > 0 ) {
- ctx->bit_rate = asset->ff_video_bitrate;
- char arg[BCSTRLEN];
- sprintf(arg, "%d", asset->ff_video_bitrate);
- av_dict_set(&sopts, "b", arg, 0);
- }
- else if( asset->ff_video_quality > 0 ) {
- ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
- ctx->qmin = ctx->qmax = asset->ff_video_quality;
- ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
- ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
- ctx->flags |= CODEC_FLAG_QSCALE;
- char arg[BCSTRLEN];
- av_dict_set(&sopts, "flags", "+qscale", 0);
- sprintf(arg, "%d", asset->ff_video_quality);
- av_dict_set(&sopts, "qscale", arg, 0);
- sprintf(arg, "%d", ctx->global_quality);
- av_dict_set(&sopts, "global_quality", arg, 0);
- }
- int vidx = ffvideo.size();
- int fidx = vidx + ffaudio.size();
- FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
- vstrm_index.append(ffidx(vidx, 0));
- ffvideo.append(vid); fst = vid;
- vid->width = asset->width;
- ctx->width = (vid->width+3) & ~3;
- vid->height = asset->height;
- ctx->height = (vid->height+3) & ~3;
- vid->frame_rate = asset->frame_rate;
- ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
- ctx->pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
- AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
- if( !frame_rate.num || !frame_rate.den ) {
- eprintf("FFMPEG::open_encoder:"
- " check_frame_rate failed %s\n", filename);
- ret = 1;
- break;
- }
- ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
- st->time_base = ctx->time_base;
- vid->writing = -1;
- break; }
- default:
- eprintf("FFMPEG::open_encoder: not audio/video, %s:%s\n",
- codec_name, filename);
- ret = 1;
- }
- }
- if( !ret ) {
- if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
- st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
- ret = avcodec_open2(st->codec, codec, &sopts);
- if( ret < 0 ) {
- ff_err(ret,"FFMPEG::open_encoder");
- eprintf("FFMPEG::open_encoder: open failed %s:%s\n",
- codec_name, filename);
- ret = 1;
- }
- else
- ret = 0;
- }
- if( !ret ) {
- if( fst && bsfilter[0] )
- fst->add_bsfilter(bsfilter, !bsargs[0] ? 0 : bsargs);
- }
-
- ff_unlock();
- if( !ret )
- start_muxer();
- av_dict_free(&sopts);
- return ret;
-}
-
-int FFMPEG::close_encoder()
-{
- stop_muxer();
- if( encoding > 0 ) {
- av_write_trailer(fmt_ctx);
- if( !(fmt_ctx->flags & AVFMT_NOFILE) )
- avio_closep(&fmt_ctx->pb);
- }
- encoding = 0;
- return 0;
-}
-
-int FFMPEG::decode_activate()
-{
- if( decoding < 0 ) {
- decoding = 0;
- for( int vidx=0; vidx<ffvideo.size(); ++vidx )
- ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
- for( int aidx=0; aidx<ffaudio.size(); ++aidx )
- ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
- // set nudges for each program stream set
- int npgrms = fmt_ctx->nb_programs;
- for( int i=0; i<npgrms; ++i ) {
- AVProgram *pgrm = fmt_ctx->programs[i];
- // first start time video stream
- int64_t vstart_time = -1, astart_time = -1;
- for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int fidx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[fidx];
- AVCodecContext *avctx = st->codec;
- if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
- if( st->start_time == AV_NOPTS_VALUE ) continue;
- if( vstart_time > st->start_time ) continue;
- vstart_time = st->start_time;
- continue;
- }
- if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
- if( st->start_time == AV_NOPTS_VALUE ) continue;
- if( astart_time > st->start_time ) continue;
- astart_time = st->start_time;
- continue;
- }
- }
- // match program streams to max start_time
- int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
- for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int fidx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[fidx];
- AVCodecContext *avctx = st->codec;
- if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
- for( int k=0; k<ffvideo.size(); ++k ) {
- if( ffvideo[k]->fidx != fidx ) continue;
- ffvideo[k]->nudge = nudge;
- }
- continue;
- }
- if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
- for( int k=0; k<ffaudio.size(); ++k ) {
- if( ffaudio[k]->fidx != fidx ) continue;
- ffaudio[k]->nudge = nudge;
- }
- continue;
- }
- }
- }
- // set nudges for any streams not yet set
- int64_t vstart_time = 0, astart_time = 0;
- int nstreams = fmt_ctx->nb_streams;
- for( int i=0; i<nstreams; ++i ) {
- AVStream *st = fmt_ctx->streams[i];
- AVCodecContext *avctx = st->codec;
- switch( avctx->codec_type ) {
- case AVMEDIA_TYPE_VIDEO: {
- if( st->start_time == AV_NOPTS_VALUE ) continue;
- int vidx = ffvideo.size();
- while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
- if( vidx >= 0 && ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
- if( vstart_time >= st->start_time ) continue;
- vstart_time = st->start_time;
- break; }
- case AVMEDIA_TYPE_AUDIO: {
- if( st->start_time == AV_NOPTS_VALUE ) continue;
- int aidx = ffaudio.size();
- while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
- if( aidx >= 0 && ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
- if( astart_time >= st->start_time ) continue;
- astart_time = st->start_time;
- break; }
- default: break;
- }
- }
- int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
- for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
- if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
- ffvideo[vidx]->nudge = nudge;
- }
- for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
- if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
- ffaudio[aidx]->nudge = nudge;
- }
- decoding = 1;
- }
- return decoding;
-}
-
-int FFMPEG::encode_activate()
-{
- int ret = 0;
- if( encoding < 0 ) {
- encoding = 0;
- if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
- (ret=avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE)) < 0 ) {
- ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
- fmt_ctx->filename);
- return 1;
- }
-
- AVDictionary *fopts = 0;
- char option_path[BCTEXTLEN];
- set_option_path(option_path, "format/%s", file_format);
- read_options(option_path, fopts);
- ret = avformat_write_header(fmt_ctx, &fopts);
- av_dict_free(&fopts);
- if( ret < 0 ) {
- ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
- fmt_ctx->filename);
- return 1;
- }
- encoding = 1;
- }
- return encoding;
-}
-
-
-int FFMPEG::audio_seek(int stream, int64_t pos)
-{
- int aidx = astrm_index[stream].st_idx;
- FFAudioStream *aud = ffaudio[aidx];
- aud->audio_seek(pos);
- return 0;
-}
-
-int FFMPEG::video_seek(int stream, int64_t pos)
-{
- int vidx = vstrm_index[stream].st_idx;
- FFVideoStream *vid = ffvideo[vidx];
- vid->video_seek(pos);
- return 0;
-}
-
-
-int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
-{
- if( !has_audio || chn >= astrm_index.size() ) return -1;
- int aidx = astrm_index[chn].st_idx;
- FFAudioStream *aud = ffaudio[aidx];
- if( aud->load(pos, len) < len ) return -1;
- int ch = astrm_index[chn].st_ch;
- int ret = aud->read(samples,len,ch);
- return ret;
-}
-
-int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
-{
- if( !has_video || layer >= vstrm_index.size() ) return -1;
- int vidx = vstrm_index[layer].st_idx;
- FFVideoStream *vid = ffvideo[vidx];
- return vid->load(vframe, pos);
-}
-
-
-int FFMPEG::encode(int stream, double **samples, int len)
-{
- FFAudioStream *aud = ffaudio[stream];
- return aud->encode(samples, len);
-}
-
-
-int FFMPEG::encode(int stream, VFrame *frame)
-{
- FFVideoStream *vid = ffvideo[stream];
- return vid->encode(frame);
-}
-
-void FFMPEG::start_muxer()
-{
- if( !running() ) {
- done = 0;
- start();
- }
-}
-
-void FFMPEG::stop_muxer()
-{
- if( running() ) {
- done = 1;
- mux_lock->unlock();
- join();
- }
-}
-
-void FFMPEG::flow_off()
-{
- if( !flow ) return;
- flow_lock->lock("FFMPEG::flow_off");
- flow = 0;
-}
-
-void FFMPEG::flow_on()
-{
- if( flow ) return;
- flow = 1;
- flow_lock->unlock();
-}
-
-void FFMPEG::flow_ctl()
-{
- while( !flow ) {
- flow_lock->lock("FFMPEG::flow_ctl");
- flow_lock->unlock();
- }
-}
-
-int FFMPEG::mux_audio(FFrame *frm)
-{
- FFPacket pkt;
- FFStream *fst = frm->fst;
- AVCodecContext *ctx = fst->st->codec;
- AVFrame *frame = *frm;
- AVRational tick_rate = {1, ctx->sample_rate};
- frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
- int got_packet = 0;
- int ret = fst->encode_frame(pkt, frame, got_packet);
- if( ret >= 0 && got_packet )
- ret = fst->write_packet(pkt);
- if( ret < 0 )
- ff_err(ret, "FFMPEG::mux_audio");
- return ret >= 0 ? 0 : 1;
-}
-
-int FFMPEG::mux_video(FFrame *frm)
-{
- FFPacket pkt;
- FFStream *fst = frm->fst;
- AVFrame *frame = *frm;
- frame->pts = frm->position;
- int got_packet = 0;
- int ret = fst->encode_frame(pkt, frame, got_packet);
- if( ret >= 0 && got_packet )
- ret = fst->write_packet(pkt);
- if( ret < 0 )
- ff_err(ret, "FFMPEG::mux_video");
- return ret >= 0 ? 0 : 1;
-}
-
-void FFMPEG::mux()
-{
- for(;;) {
- double atm = -1, vtm = -1;
- FFrame *afrm = 0, *vfrm = 0;
- int demand = 0;
- for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
- FFStream *fst = ffaudio[i];
- if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
- FFrame *frm = fst->frms.first;
- if( !frm ) { if( !done ) return; continue; }
- double tm = to_secs(frm->position, fst->st->codec->time_base);
- if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
- }
- for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
- FFStream *fst = ffvideo[i];
- if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
- FFrame *frm = fst->frms.first;
- if( !frm ) { if( !done ) return; continue; }
- double tm = to_secs(frm->position, fst->st->codec->time_base);
- if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
- }
- if( !demand ) flow_off();
- if( !afrm && !vfrm ) break;
- int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
- vfrm->position, vfrm->fst->st->codec->time_base,
- afrm->position, afrm->fst->st->codec->time_base);
- FFrame *frm = v <= 0 ? vfrm : afrm;
- if( frm == afrm ) mux_audio(frm);
- if( frm == vfrm ) mux_video(frm);
- frm->dequeue();
- delete frm;
- }
-}
-
-void FFMPEG::run()
-{
- while( !done ) {
- mux_lock->lock("FFMPEG::run");
- if( !done ) mux();
- }
- mux();
- for( int i=0; i<ffaudio.size(); ++i )
- ffaudio[i]->flush();
- for( int i=0; i<ffvideo.size(); ++i )
- ffvideo[i]->flush();
-}
-
-
-int FFMPEG::ff_total_audio_channels()
-{
- return astrm_index.size();
-}
-
-int FFMPEG::ff_total_astreams()
-{
- return ffaudio.size();
-}
-
-int FFMPEG::ff_audio_channels(int stream)
-{
- return ffaudio[stream]->channels;
-}
-
-int FFMPEG::ff_sample_rate(int stream)
-{
- return ffaudio[stream]->sample_rate;
-}
-
-const char* FFMPEG::ff_audio_format(int stream)
-{
- AVStream *st = ffaudio[stream]->st;
- AVCodecID id = st->codec->codec_id;
- const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
- return desc ? desc->name : "Unknown";
-}
-
-int FFMPEG::ff_audio_pid(int stream)
-{
- return ffaudio[stream]->st->id;
-}
-
-int64_t FFMPEG::ff_audio_samples(int stream)
-{
- return ffaudio[stream]->length;
-}
-
-// find audio astream/channels with this program,
-// or all program audio channels (astream=-1)
-int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
-{
- channel_mask = 0;
- int pidx = -1;
- int vidx = ffvideo[vstream]->fidx;
- // find first program with this video stream
- for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
- AVProgram *pgrm = fmt_ctx->programs[i];
- for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
- int st_idx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[st_idx];
- if( st->codec->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
- if( st_idx == vidx ) pidx = i;
- }
- }
- if( pidx < 0 ) return -1;
- int ret = -1;
- int64_t channels = 0;
- AVProgram *pgrm = fmt_ctx->programs[pidx];
- for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int aidx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[aidx];
- if( st->codec->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
- if( astream > 0 ) { --astream; continue; }
- int astrm = -1;
- for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
- if( ffaudio[i]->fidx == aidx ) astrm = i;
- if( astrm >= 0 ) {
- if( ret < 0 ) ret = astrm;
- int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
- channels |= mask << ffaudio[astrm]->channel0;
- }
- if( !astream ) break;
- }
- channel_mask = channels;
- return ret;
-}
-
-
-int FFMPEG::ff_total_video_layers()
-{
- return vstrm_index.size();
-}
-
-int FFMPEG::ff_total_vstreams()
-{
- return ffvideo.size();
-}
-
-int FFMPEG::ff_video_width(int stream)
-{
- return ffvideo[stream]->width;
-}
-
-int FFMPEG::ff_video_height(int stream)
-{
- return ffvideo[stream]->height;
-}
-
-int FFMPEG::ff_set_video_width(int stream, int width)
-{
- int w = ffvideo[stream]->width;
- ffvideo[stream]->width = width;
- return w;
-}
-
-int FFMPEG::ff_set_video_height(int stream, int height)
-{
- int h = ffvideo[stream]->height;
- ffvideo[stream]->height = height;
- return h;
-}
-
-int FFMPEG::ff_coded_width(int stream)
-{
- AVStream *st = ffvideo[stream]->st;
- return st->codec->coded_width;
-}
-
-int FFMPEG::ff_coded_height(int stream)
-{
- AVStream *st = ffvideo[stream]->st;
- return st->codec->coded_height;
-}
-
-float FFMPEG::ff_aspect_ratio(int stream)
-{
- return ffvideo[stream]->aspect_ratio;
-}
-
-const char* FFMPEG::ff_video_format(int stream)
-{
- AVStream *st = ffvideo[stream]->st;
- AVCodecID id = st->codec->codec_id;
- const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
- return desc ? desc->name : "Unknown";
-}
-
-double FFMPEG::ff_frame_rate(int stream)
-{
- return ffvideo[stream]->frame_rate;
-}
-
-int64_t FFMPEG::ff_video_frames(int stream)
-{
- return ffvideo[stream]->length;
-}
-
-int FFMPEG::ff_video_pid(int stream)
-{
- return ffvideo[stream]->st->id;
-}
-
-
-int FFMPEG::ff_cpus()
-{
- return file_base->file->cpus;
-}
-
-int FFVideoStream::create_filter(const char *filter_spec,
- AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
-{
- avfilter_register_all();
- AVFilter *filter = avfilter_get_by_name(filter_spec);
- if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
- ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
- return -1;
- }
- filter_graph = avfilter_graph_alloc();
- AVFilter *buffersrc = avfilter_get_by_name("buffer");
- AVFilter *buffersink = avfilter_get_by_name("buffersink");
-
- int ret = 0; char args[BCTEXTLEN];
- snprintf(args, sizeof(args),
- "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
- src_ctx->width, src_ctx->height, src_ctx->pix_fmt,
- src_ctx->time_base.num, src_ctx->time_base.den,
- src_ctx->sample_aspect_ratio.num, src_ctx->sample_aspect_ratio.den);
- if( ret >= 0 )
- ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
- args, NULL, filter_graph);
- if( ret >= 0 )
- ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
- NULL, NULL, filter_graph);
- if( ret >= 0 )
- ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
- (uint8_t*)&sink_ctx->pix_fmt, sizeof(sink_ctx->pix_fmt),
- AV_OPT_SEARCH_CHILDREN);
- if( ret < 0 )
- ff_err(ret, "FFVideoStream::create_filter");
- else
- ret = FFStream::create_filter(filter_spec);
- return ret >= 0 ? 0 : 1;
-}
-
-int FFAudioStream::create_filter(const char *filter_spec,
- AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
-{
- avfilter_register_all();
- AVFilter *filter = avfilter_get_by_name(filter_spec);
- if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
- ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
- return -1;
- }
- filter_graph = avfilter_graph_alloc();
- AVFilter *buffersrc = avfilter_get_by_name("abuffer");
- AVFilter *buffersink = avfilter_get_by_name("abuffersink");
- int ret = 0; char args[BCTEXTLEN];
- snprintf(args, sizeof(args),
- "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
- src_ctx->time_base.num, src_ctx->time_base.den, src_ctx->sample_rate,
- av_get_sample_fmt_name(src_ctx->sample_fmt), src_ctx->channel_layout);
- if( ret >= 0 )
- ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
- args, NULL, filter_graph);
- if( ret >= 0 )
- ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
- NULL, NULL, filter_graph);
- if( ret >= 0 )
- ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
- (uint8_t*)&sink_ctx->sample_fmt, sizeof(sink_ctx->sample_fmt),
- AV_OPT_SEARCH_CHILDREN);
- if( ret >= 0 )
- ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
- (uint8_t*)&sink_ctx->channel_layout,
- sizeof(sink_ctx->channel_layout), AV_OPT_SEARCH_CHILDREN);
- if( ret >= 0 )
- ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
- (uint8_t*)&sink_ctx->sample_rate, sizeof(sink_ctx->sample_rate),
- AV_OPT_SEARCH_CHILDREN);
- if( ret < 0 )
- ff_err(ret, "FFAudioStream::create_filter");
- else
- ret = FFStream::create_filter(filter_spec);
- return ret >= 0 ? 0 : 1;
-}
-
-int FFStream::create_filter(const char *filter_spec)
-{
- /* Endpoints for the filter graph. */
- AVFilterInOut *outputs = avfilter_inout_alloc();
- outputs->name = av_strdup("in");
- outputs->filter_ctx = buffersrc_ctx;
- outputs->pad_idx = 0;
- outputs->next = 0;
-
- AVFilterInOut *inputs = avfilter_inout_alloc();
- inputs->name = av_strdup("out");
- inputs->filter_ctx = buffersink_ctx;
- inputs->pad_idx = 0;
- inputs->next = 0;
-
- int ret = !outputs->name || !inputs->name ? -1 : 0;
- if( ret >= 0 )
- ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
- &inputs, &outputs, NULL);
- if( ret >= 0 )
- ret = avfilter_graph_config(filter_graph, NULL);
-
- if( ret < 0 )
- ff_err(ret, "FFStream::create_filter");
- avfilter_inout_free(&inputs);
- avfilter_inout_free(&outputs);
- return ret;
-}
-
-void FFStream::add_bsfilter(const char *bsf, const char *ap)
-{
- bsfilter.append(new BSFilter(bsf,ap));
-}
-
-int FFStream::bs_filter(AVPacket *pkt)
-{
- if( !bsfilter.size() ) return 0;
- av_packet_split_side_data(pkt);
-
- int ret = 0;
- for( int i=0; i<bsfilter.size(); ++i ) {
- AVPacket bspkt = *pkt;
- ret = av_bitstream_filter_filter(bsfilter[i]->bsfc,
- st->codec, bsfilter[i]->args, &bspkt.data, &bspkt.size,
- pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
- if( ret < 0 ) break;
- int size = bspkt.size;
- uint8_t *data = bspkt.data;
- if( !ret && bspkt.data != pkt->data ) {
- size = bspkt.size;
- data = (uint8_t *)av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
- if( !data ) { ret = AVERROR(ENOMEM); break; }
- memcpy(data, bspkt.data, size);
- memset(data+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
- ret = 1;
- }
- if( ret > 0 ) {
- pkt->side_data = 0; pkt->side_data_elems = 0;
- av_packet_unref(pkt);
- ret = av_packet_from_data(&bspkt, data, size);
- if( ret < 0 ) break;
- }
- *pkt = bspkt;
- }
- if( ret < 0 )
- ff_err(ret,"FFStream::bs_filter");
- return ret;
-}
-
-int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
-{
- AVPacket pkt;
- av_init_packet(&pkt);
- AVFrame *frame = av_frame_alloc();
- if( !frame ) {
- fprintf(stderr, "FFMPEG::scan: av_frame_alloc failed\n");
- return -1;
- }
-
- index_state->add_video_markers(ffvideo.size());
- index_state->add_audio_markers(ffaudio.size());
-
- for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
- AVDictionary *copts = 0;
- av_dict_copy(&copts, opts, 0);
- AVStream *st = fmt_ctx->streams[i];
- AVCodecID codec_id = st->codec->codec_id;
- AVCodec *decoder = avcodec_find_decoder(codec_id);
- if( avcodec_open2(st->codec, decoder, &copts) < 0 )
- fprintf(stderr, "FFMPEG::scan: codec open failed\n");
- av_dict_free(&copts);
- }
- int errs = 0;
- for( int64_t count=0; !*canceled; ++count ) {
- av_packet_unref(&pkt);
- pkt.data = 0; pkt.size = 0;
-
- int ret = av_read_frame(fmt_ctx, &pkt);
- if( ret < 0 ) {
- if( ret == AVERROR_EOF ) break;
- if( ++errs > 100 ) {
- ff_err(ret, "over 100 read_frame errs\n");
- break;
- }
- continue;
- }
- if( !pkt.data ) continue;
- int i = pkt.stream_index;
- if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
- AVStream *st = fmt_ctx->streams[i];
- AVCodecContext *avctx = st->codec;
- if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
-
- switch( avctx->codec_type ) {
- case AVMEDIA_TYPE_VIDEO: {
- int vidx = ffvideo.size();
- while( --vidx>=0 && ffvideo[vidx]->fidx != i );
- if( vidx < 0 ) break;
- FFVideoStream *vid = ffvideo[vidx];
- int64_t tstmp = pkt.dts;
- if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
- if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
- if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
- double secs = to_secs(tstmp, st->time_base);
- int64_t frm = secs * vid->frame_rate + 0.5;
- if( frm < 0 ) frm = 0;
- index_state->put_video_mark(vidx, frm, pkt.pos);
- }
-#if 0
- while( pkt.size > 0 ) {
- av_frame_unref(frame);
- int got_frame = 0;
- int ret = vid->decode_frame(&pkt, frame, got_frame);
- if( ret <= 0 ) break;
-// if( got_frame ) {}
- pkt.data += ret;
- pkt.size -= ret;
- }
-#endif
- break; }
- case AVMEDIA_TYPE_AUDIO: {
- int aidx = ffaudio.size();
- while( --aidx>=0 && ffaudio[aidx]->fidx != i );
- if( aidx < 0 ) break;
- FFAudioStream *aud = ffaudio[aidx];
- int64_t tstmp = pkt.pts;
- if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
- if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
- if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
- double secs = to_secs(tstmp, st->time_base);
- int64_t sample = secs * aud->sample_rate + 0.5;
- if( sample < 0 ) sample = 0;
- index_state->put_audio_mark(aidx, sample, pkt.pos);
- }
- while( pkt.size > 0 ) {
- int ch = aud->channel0, nch = aud->channels;
- int64_t pos = index_state->pos(ch);
- if( pos != aud->curr_pos ) {
-if( abs(pos-aud->curr_pos) > 1 )
-printf("audio%d pad %ld %ld (%ld)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
- index_state->pad_data(ch, nch, aud->curr_pos);
- }
- av_frame_unref(frame);
- int got_frame = 0;
- int ret = aud->decode_frame(&pkt, frame, got_frame);
- if( ret <= 0 ) break;
- if( got_frame ) {
- float *samples;
- int len = aud->get_samples(samples,
- &frame->extended_data[0], frame->nb_samples);
- for( int i=0; i<nch; ++i )
- index_state->put_data(ch+i,nch,samples+i,len);
- aud->curr_pos += len;
- }
- pkt.data += ret;
- pkt.size -= ret;
- }
- break; }
- default: break;
- }
- }
- av_frame_free(&frame);
- return 0;
-}
-
-void FFStream::load_markers(IndexMarks &marks, double rate)
-{
- index_markers = &marks;
- int in = 0;
- int64_t sz = marks.size();
- int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
- int nb_ent = st->nb_index_entries;
-// some formats already have an index
- if( nb_ent > 0 ) {
- AVIndexEntry *ep = &st->index_entries[nb_ent-1];
- int64_t tstmp = ep->timestamp;
- if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
- double secs = ffmpeg->to_secs(tstmp, st->time_base);
- int64_t no = secs * rate;
- while( in < sz && marks[in].no <= no ) ++in;
- }
- int64_t len = sz - in;
- int64_t count = max_entries - nb_ent;
- if( count > len ) count = len;
- for( int i=0; i<count; ++i ) {
- int k = in + i * len / count;
- int64_t no = marks[k].no, pos = marks[k].pos;
- double secs = (double)no / rate;
- int64_t tstmp = secs * st->time_base.den / st->time_base.num;
- if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
- av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);
- }
-}
-
projects / goodguy / history.git / blobdiff