+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <alsa/asoundlib.h>
-#include <sys/time.h>
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-
-const double nudge = 3.5;
-const double ahead = .5;
-
-#ifdef __cplusplus
-#include "libzmpeg3.h"
-#else
-#include "../libmpeg3/libmpeg3.h"
-#define zmpeg3_t mpeg3_t
-#endif
-
-zmpeg3_t *ysrc;
-
-/* alpha currently is broken in gdk */
-/* would render faster if alpha worked correctly */
-#define RGBA FALSE
-
-#if RGBA
-#define BPP 4
-#ifdef __cplusplus
-#define COLOR_MODEL zmpeg3_t::cmdl_RGBA8888
-#else
-#define COLOR_MODEL MPEG3_RGBA8888
-#endif
-
-#else
-#define BPP 3
-#ifdef __cplusplus
-#define COLOR_MODEL zmpeg3_t::cmdl_RGB888
-#else
-#define COLOR_MODEL MPEG3_RGB888
-#endif
-#endif
-
-
-//#define AUDIO
-#define VIDEO
-//#define LAST8M
-static int verbose = 0;
-
-/* c++ `pkg-config --cflags --libs gtk+-2.0` y.C ./x86_64/libzmpeg3.a -lpthread -lasound -lm -lX11 */
-
-#ifdef AUDIO
-snd_pcm_t *zpcm = 0;
-snd_pcm_uframes_t zpcm_ufrm_size = 0;
-snd_pcm_sframes_t zpcm_sbfr_size = 0;
-snd_pcm_sframes_t zpcm_sper_size = 0;
-snd_pcm_sframes_t zpcm_total_samples = 0;
-double zpcm_play_time = 0.;
-pthread_mutex_t zpcm_lock;
-unsigned int zpcm_rate = 0;
-static const char *zpcm_device = "plughw:0,0";
-static unsigned int zpcm_bfr_time_us = 500000;
-static unsigned int zpcm_per_time_us = 200000;
-static snd_pcm_channel_area_t *zpcm_areas = 0;
-static int zpcm_channels = 0;
-static short **zpcm_buffers = 0;
-static short *zpcm_samples = 0;
-
-void alsa_close()
-{
-#ifdef __cplusplus
- if( zpcm_buffers != 0 ) { delete [] zpcm_buffers; zpcm_buffers = 0; }
- if( zpcm_areas != 0 ) { delete [] zpcm_areas; zpcm_areas = 0; }
- if( zpcm_samples != 0 ) { delete [] zpcm_samples; zpcm_samples = 0; }
-#else
- if( zpcm_buffers != 0 ) { free(zpcm_buffers); zpcm_buffers = 0; }
- if( zpcm_areas != 0 ) { free(zpcm_areas); zpcm_areas = 0; }
- if( zpcm_samples != 0 ) { free(zpcm_samples); zpcm_samples = 0; }
-#endif
- if( zpcm != 0 ) { snd_pcm_close(zpcm); zpcm = 0; }
- pthread_mutex_destroy(&zpcm_lock);
-}
-
-void alsa_open(int chs,int rate)
-{
- int ich, bits, byts, dir, ret;
- pthread_mutex_init(&zpcm_lock,0);
- snd_pcm_format_t fmt = SND_PCM_FORMAT_S16;
- snd_pcm_hw_params_t *phw;
- snd_pcm_sw_params_t *psw;
- snd_pcm_hw_params_alloca(&phw);
- snd_pcm_sw_params_alloca(&psw);
-
- zpcm = 0;
- zpcm_total_samples = 0;
- zpcm_play_time = 0.;
- ret = snd_pcm_open(&zpcm, zpcm_device,
- SND_PCM_STREAM_PLAYBACK, 0 /* + SND_PCM_NONBLOCK */);
- if( ret >= 0 )
- ret = snd_pcm_hw_params_any(zpcm, phw);
- if( ret >= 0 )
- ret = snd_pcm_hw_params_set_rate_resample(zpcm, phw, 1);
- if( ret >= 0 )
- ret = snd_pcm_hw_params_set_access(zpcm, phw,
- SND_PCM_ACCESS_RW_NONINTERLEAVED);
- if( ret >= 0 )
- ret = snd_pcm_hw_params_set_format(zpcm, phw, fmt);
- if( ret >= 0 ) {
- zpcm_channels = chs;
- ret = snd_pcm_hw_params_set_channels(zpcm, phw, chs);
- }
- if( ret >= 0 ) {
- zpcm_rate = rate;
- ret = snd_pcm_hw_params_set_rate_near(zpcm, phw, &zpcm_rate, 0);
- if( (int)zpcm_rate != rate )
- printf("nearest audio_rate for %d is %u\n",rate,zpcm_rate);
- }
- if( ret >= 0 )
- ret = snd_pcm_hw_params_set_buffer_time_near(zpcm, phw,
- &zpcm_bfr_time_us, &dir);
- if( ret >= 0 )
- ret = snd_pcm_hw_params_get_buffer_size(phw, &zpcm_ufrm_size);
- if( ret >= 0 ) {
- zpcm_sbfr_size = zpcm_ufrm_size;
- ret = snd_pcm_hw_params_set_period_time_near(zpcm, phw,
- &zpcm_per_time_us, &dir);
- }
- if( ret >= 0 )
- ret = snd_pcm_hw_params_get_period_size(phw, &zpcm_ufrm_size, &dir);
- if( ret >= 0 ) {
- zpcm_sper_size = zpcm_ufrm_size;
- ret = snd_pcm_hw_params(zpcm, phw);
- }
- if( ret >= 0 )
- ret = snd_pcm_sw_params_current(zpcm, psw);
- if( ret >= 0 )
- ret = snd_pcm_sw_params_set_start_threshold(zpcm, psw,
- (zpcm_sbfr_size / zpcm_sper_size) * zpcm_sper_size);
- if( ret >= 0 )
- ret = snd_pcm_sw_params_set_avail_min(zpcm, psw, zpcm_sper_size);
- if( ret >= 0 )
- ret = snd_pcm_sw_params(zpcm, psw);
- /* snd_pcm_dump(zpcm, stdout); */
-
- if( ret >= 0 ) {
-#ifdef __cplusplus
- zpcm_areas = new snd_pcm_channel_area_t[chs];
- byts = snd_pcm_format_physical_width(fmt) / 8;
- zpcm_samples = new short[zpcm_sper_size * chs * byts/2];
- zpcm_buffers = new short *[chs];
-#else
- zpcm_areas = calloc(chs, sizeof(snd_pcm_channel_area_t));
- bits = snd_pcm_format_physical_width(fmt);
- byts = bits / 8;
- zpcm_samples = malloc(zpcm_sper_size * chs * byts);
- zpcm_buffers = malloc(chs * sizeof(short*));
-#endif
- if( zpcm_samples ) {
- for( ich = 0; ich < chs; ++ich ) {
- zpcm_areas[ich].addr = zpcm_samples;
- zpcm_areas[ich].first = ich * zpcm_sper_size * bits;
- zpcm_areas[ich].step = bits;
- zpcm_buffers[ich] = zpcm_samples + ich*zpcm_sper_size;
- }
- }
- else {
- fprintf(stderr,"alsa sample buffer allocation failure.\n");
- ret = -999;
- }
- }
- if( ret < 0 ) {
- if( ret > -999 )
- printf("audio error: %s\n", snd_strerror(ret));
- alsa_close();
- }
-}
-
-short *alsa_bfr(int ch)
-{
- return zpcm_buffers[ch];
-}
-
-int alsa_bfrsz()
-{
- return zpcm_sper_size;
-}
-
-int alsa_recovery(int ret)
-{
- printf("alsa recovery\n");
- switch( ret ) {
- case -ESTRPIPE:
- /* wait until the suspend flag is released, then fall through */
- while( (ret=snd_pcm_resume(zpcm)) == -EAGAIN ) usleep(100000);
- case -EPIPE:
- ret = snd_pcm_prepare(zpcm);
- if( ret < 0 )
- printf("underrun, prepare failed: %s\n", snd_strerror(ret));
- break;
- default:
- printf("unhandled error: %s\n",snd_strerror(ret));
- break;
- }
- return ret;
-}
-
-int alsa_write(int length)
-{
- struct timeval tv;
- int i, ret, count, retry;
- snd_pcm_sframes_t sample_delay;
- double play_time, time;
-#ifdef __cplusplus
- short *bfrs[zpcm_channels];
-#else
- short **bfrs = alloca(zpcm_channels*sizeof(short *));
-#endif
- retry = 3;
- ret = count = 0;
- for( i=0; i<zpcm_channels; ++i ) bfrs[i] = zpcm_buffers[i];
-
- while( count < length ) {
- ret = snd_pcm_writen(zpcm,(void **)bfrs, length-count);
- if( ret == -EAGAIN ) continue;
- if ( ret < 0 ) {
- if( --retry < 0 ) return ret;
- alsa_recovery(ret);
- ret = 0;
- continue;
- }
- for( i=0; i<zpcm_channels; ++i ) bfrs[i] += ret;
- count += ret;
- }
- pthread_mutex_lock(&zpcm_lock);
- zpcm_total_samples += count;
- snd_pcm_delay(zpcm,&sample_delay);
- if( sample_delay > zpcm_total_samples )
- sample_delay = zpcm_total_samples;
- gettimeofday(&tv,NULL);
- time = tv.tv_sec + tv.tv_usec/1000000.0;
- play_time = (zpcm_total_samples - sample_delay) / (double)zpcm_rate;
- zpcm_play_time = time - play_time;
- pthread_mutex_unlock(&zpcm_lock);
- return ret < 0 ? ret : 0;
-}
-
-double alsa_time()
-{
- double time, play_time;
- struct timeval tv;
- pthread_mutex_lock(&zpcm_lock);
- gettimeofday(&tv,NULL);
- time = tv.tv_sec + tv.tv_usec/1000000.0;
- play_time = time - zpcm_play_time;
- pthread_mutex_unlock(&zpcm_lock);
- return play_time;
-}
-
-#else
-
-double alsa_time()
-{
- double time, play_time;
- struct timeval tv;
- gettimeofday(&tv,NULL);
- time = tv.tv_sec + tv.tv_usec/1000000.0;
- return time;
-}
-
-#endif
-
-int done = 0;
-
-void sigint(int n)
-{
- done = 1;
-}
-
-
-void dst_exit(GtkWidget *widget, gpointer data)
-{
- exit(0);
-}
-
-double tstart;
-
-double the_time()
-{
- double time;
- struct timeval tv;
- gettimeofday(&tv,NULL);
- time = tv.tv_sec + tv.tv_usec/1000000.0;
- if( tstart < 0. ) tstart = time;
- return time - tstart;
-}
-
-
-void mpeg3_stats(zmpeg3_t *zsrc)
-{
- int astream, vstream;
- int has_audio, total_astreams, audio_channels, sample_rate;
- int has_video, total_vstreams, width, height, colormodel;
- long audio_samples, video_frames;
- float frame_rate;
-
- has_audio = mpeg3_has_audio(zsrc);
- printf(" has_audio = %d\n", has_audio);
- total_astreams = mpeg3_total_astreams(zsrc);
- printf(" total_astreams = %d\n", total_astreams);
- for( astream=0; astream<total_astreams; ++astream ) {
- audio_channels = mpeg3_audio_channels(zsrc, astream);
- printf(" audio_channels = %d\n", audio_channels);
- sample_rate = mpeg3_sample_rate(zsrc, astream);
- printf(" sample_rate = %d\n", sample_rate);
- audio_samples = mpeg3_audio_samples(zsrc, astream);
- printf(" audio_samples = %ld\n", audio_samples);
- }
- printf("\n");
- has_video = mpeg3_has_video(zsrc);
- printf(" has_video = %d\n", has_video);
- total_vstreams = mpeg3_total_vstreams(zsrc);
- printf(" total_vstreams = %d\n", total_vstreams);
- for( vstream=0; vstream<total_vstreams; ++vstream ) {
- width = mpeg3_video_width(zsrc, vstream);
- printf(" video_width = %d\n", width);
- height = mpeg3_video_height(zsrc, vstream);
- printf(" video_height = %d\n", height);
- frame_rate = mpeg3_frame_rate(zsrc, vstream);
- printf(" frame_rate = %f\n", frame_rate);
- video_frames = mpeg3_video_frames(zsrc, vstream);
- printf(" video_frames = %ld\n", video_frames);
- colormodel = mpeg3_colormodel(zsrc, vstream);
- printf(" colormodel = %d\n", colormodel);
- }
-}
-
-#ifdef VIDEO
-double vstart;
-double last_vtime;
-
-double video_time(zmpeg3_t *zsrc,int stream)
-{
-#ifdef __cplusplus
- double vtime = mpeg3_get_video_time(zsrc,stream);
-#else
- double vtime = mpeg3_get_time(zsrc);
-#endif
- double vnow = vtime;
- if( vstart == 0. ) vstart = vnow;
- if( vtime < last_vtime )
- vstart -= last_vtime;
- last_vtime = vtime;
- return vnow - vstart + nudge;
-}
-
-pthread_t the_video;
-
-void *video_thread(void *the_zsrc)
-{
- GtkWidget *window;
- GtkWidget *panel_hbox;
- GtkWidget *image;
- GdkPixbuf *pbuf0, *pbuf1;
- GdkImage *img0, *img1;
- GdkVisual *visual;
- double delay;
- float frame_rate, frame_delay;
- unsigned char **rows, **row0, **row1, *cap, *cap0, *cap1;
- int ret, row, frame, dropped, more_data;
- int width, height, owidth, oheight;
- const int frame_drop = 0;
- zmpeg3_t *zsrc = (zmpeg3_t *)the_zsrc;
-
- frame_rate = mpeg3_frame_rate(zsrc, 0);
- frame_delay = 2.0 / frame_rate;
- height = mpeg3_video_height(zsrc, 0);
- width = mpeg3_video_width(zsrc, 0);
- //oheight = 2*height / 3;
- //owidth = 2*width / 3;
- //oheight = 1050-96;
- //owidth = 1680-64;
- //oheight = height;
- //owidth = width;
- oheight = 540;
- owidth = 960;
-
- visual = gdk_visual_get_system();
- /* toplevel window */
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_signal_connect(GTK_OBJECT(window),"destroy",
- GTK_SIGNAL_FUNC(dst_exit),NULL);
- gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_NONE);
- /* try for shared image bfr, only seems to work with gtk_rgb */
- img0 = gdk_image_new(GDK_IMAGE_SHARED, visual, owidth, oheight);
- pbuf0 = gdk_pixbuf_new_from_data((const guchar *)img0->mem,
- GDK_COLORSPACE_RGB,RGBA,8,owidth,oheight,owidth*BPP,NULL,NULL);
- cap0 = gdk_pixbuf_get_pixels(pbuf0);
- image = gtk_image_new_from_pixbuf(pbuf0);
- /* double buffered */
- img1 = gdk_image_new(GDK_IMAGE_SHARED, visual, owidth, oheight);
- pbuf1 = gdk_pixbuf_new_from_data((const guchar *)img1->mem,
- GDK_COLORSPACE_RGB,RGBA,8,owidth,oheight,owidth*BPP,NULL,NULL);
- cap1 = gdk_pixbuf_get_pixels(pbuf1);
-
- panel_hbox = gtk_hbox_new(FALSE,0);
- gtk_container_add(GTK_CONTAINER(window), panel_hbox);
- /* pack image into panel */
- gtk_box_pack_start(GTK_BOX(panel_hbox), image, TRUE, TRUE, 0);
-
-
-#ifdef __cplusplus
- row0 = new unsigned char *[oheight];
- row1 = new unsigned char *[oheight];
- int cmdl = COLOR_MODEL;
-#else
- row0 = malloc(oheight*sizeof(unsigned char *));
- row1 = malloc(oheight*sizeof(unsigned char *));
- int cmdl = COLOR_MODEL;
-#endif
- for( row=0; row<oheight; ++row ) {
- row0[row] = cap0 + row*owidth*BPP;
- row1[row] = cap1 + row*owidth*BPP;
- }
-
- gtk_widget_show_all(window);
- cap = cap0;
- rows = row0;
- frame = dropped = 0;
- vstart = last_vtime = 0.;
- more_data = 1;
-
- while( done == 0 && more_data ) {
- if( !gtk_events_pending() ) {
- more_data = 0;
- delay = (frame+dropped)/frame_rate - alsa_time();
-// delay = the_time() - video_time(zsrc,0);
- if( frame_drop ) {
- if( -delay >= frame_delay ) {
- int nframes = (long)ceil(-delay/frame_rate);
- if( nframes > 2 ) nframes = 2;
- mpeg3_drop_frames(zsrc,nframes,0);
- dropped += nframes;
- }
- }
- if( delay > 0 )
- usleep((int)(delay*1000000.0));
- ret = mpeg3_read_frame(zsrc, rows, 0, 0, width, height,
- owidth, oheight, cmdl, 0);
- //printf("%d %ld\n",frame,zsrc->vtrack[0]->demuxer->titles[0]->fs->current_byte);
- if( verbose )
- printf("read_video(stream=%d, frame=%d) = %d\n", 0, frame, ret);
- //if( frame > 500 && frame < 800 ) {
- // mpeg3_previous_frame(zsrc,0);
- // mpeg3_previous_frame(zsrc,0);
- //}
- GdkGC *blk = image->style->black_gc;
- gdk_draw_rgb_image(image->window,blk, 0,0,owidth,oheight,
- GDK_RGB_DITHER_NONE,cap,owidth*BPP);
- gdk_flush();
-#if 0
-#if 0
- { static FILE *fp = 0;
- int sz = owidth*oheight*BPP;
- if( fp == 0 ) fp = fopen("/tmp/dat.raw","w");
- fwrite(cap,1,sz,fp);
- }
-#else
- { static FILE *fp = 0;
- int z, sz = owidth*oheight*BPP;
- uint8_t zbfr[sz];
- if( fp == 0 ) fp = fopen("/tmp/dat.raw","r");
- fread(zbfr,1,sz,fp);
- for( z=0; z<sz && abs(zbfr[z]-cap[z])<=1; ++z );
- //for( z=0; z<sz && zbfr[z]==cap[z]; ++z );
- if( z < sz )
- printf("bug %d\n",z);
- }
-#endif
- if( frame > 250 ) exit(0);
-#endif
- *(unsigned long *)&cap ^= ((unsigned long)cap0 ^ (unsigned long)cap1);
- *(unsigned long *)&rows ^= ((unsigned long)row0 ^ (unsigned long)row1);
- //printf(" %d/%d %f %f %f\n",frame,dropped,(frame+dropped)/frame_rate,
- // video_time(zsrc,0),mpeg3_get_video_time(zsrc,0));
- ++frame;
- more_data |= !mpeg3_end_of_video(zsrc,0);
- }
- else
- gtk_main_iteration();
- }
-
- return (void*)0;
-}
-
-#endif
-
-#ifdef AUDIO
-double astart;
-
-double audio_time(zmpeg3_t *zsrc, int stream)
-{
-#ifdef __cplusplus
- double anow = mpeg3_get_audio_time(zsrc,stream);
-#else
- double anow = mpeg3_get_time(zsrc);
-#endif
- if( astart < 0. ) astart = anow;
- return anow - astart;
-}
-
-pthread_t the_audio;
-
-void *audio_thread(void *the_zsrc)
-{
- double delay;
- int audio_channels, sample_rate, more_data;
- zmpeg3_t *zsrc = (zmpeg3_t *)the_zsrc;
- int stream = 0;
-
- audio_channels = mpeg3_audio_channels(zsrc, stream);
- sample_rate = mpeg3_sample_rate(zsrc, stream);
- alsa_open(audio_channels,sample_rate);
- astart = -1.;
- more_data = 1;
-
- while( done == 0 && more_data ) {
- more_data = 0;
- int ich;
- int n = alsa_bfrsz();
- for( ich=0; ich<audio_channels; ++ich) {
- short *bfr = alsa_bfr(ich);
- int ret = ich == 0 ?
- mpeg3_read_audio(zsrc, 0, bfr, ich, n, stream) :
- mpeg3_reread_audio(zsrc, 0, bfr, ich, n, stream);
- if( verbose )
- printf("read_audio(stream=%d,channel=%d) = %d\n", stream, ich, ret);
- }
-
- alsa_write(n);
- delay = audio_time(zsrc,stream) - the_time();
- if( (delay-=ahead) > 0. ) {
- usleep((int)(delay*1000000.0/2.));
- }
- more_data |= !mpeg3_end_of_audio(zsrc,0);
- }
-
- alsa_close();
- return (void*)0;
-}
-
-#endif
-
-
-int main(int ac, char **av)
-{
- int ret;
- struct stat st_buf;
- long pos;
- setbuf(stdout,NULL);
- tstart = -1.;
-
-#ifdef VIDEO
- gtk_set_locale();
- gtk_init(&ac, &av);
-#endif
-
- //zmpeg3_t* zsrc = mpeg3_open("/tmp/dat",&ret);
- //zmpeg3_t* zsrc = mpeg3_zopen(0,"/tmp/dat",&ret,ZIO_UNBUFFERED+ZIO_SINGLE_ACCESS+ZIO_SEQUENTIAL);
- //zmpeg3_t* zsrc = mpeg3_open("/tmp/dat.toc",&ret);
- //zmpeg3_t* zsrc = mpeg3_open("/root/LimeWire/Shared/Britney Spears - Pepsi Commercial with Bob Dole.mpeg",&ret);
- //zmpeg3_t* zsrc = mpeg3_open("/tmp/dat.mp3",&ret);
- //zmpeg3_t* zsrc = mpeg3_open("/dvd/VIDEO_TS/VTS_01_0.IFO",&ret);
- //zmpeg3_t* zsrc = mpeg3_open("/home/dat2.vts",&ret);
- //zmpeg3_t* zsrc = mpeg3_open("/dvd/BDMV/STREAM/00000.m2ts",&ret);
- //zmpeg3_t* zsrc = mpeg3_open("/root/xcolorbars1.mpg",&ret);
- zmpeg3_t* zsrc = mpeg3_open(av[1],&ret);
- ysrc = zsrc;
- printf(" ret = %d\n",ret);
- if( ret != 0 ) exit(1);
- mpeg3_stats(zsrc);
-
-#ifdef AUDIO
-#ifdef __cplusplus
- zmpeg3_t* zsrc1 = zsrc;
-#else
- zmpeg3_t* zsrc1 = mpeg3_open_copy(zsrc->fs->path, zsrc, &ret);
-#endif
-#endif
-
- mpeg3_set_cpus(zsrc,3);
- pos = 0;
-#ifdef LAST8M
- if( stat(zsrc->fs->path, &st_buf) >= 0 ) {
- if( (pos = (st_buf.st_size & ~0x7ffl) - 0x800000l) < 0 )
- pos = 0;
- }
-#endif
- mpeg3_seek_byte(zsrc, pos);
- mpeg3_show_subtitle(zsrc, 0);
- signal(SIGINT,sigint);
-
-#ifdef AUDIO
- pthread_create(&the_audio, NULL, audio_thread, (void*)zsrc1);
-#endif
-#ifdef VIDEO
- pthread_create(&the_video, NULL, video_thread, (void*)zsrc);
-#endif
-#ifdef VIDEO
- pthread_join(the_video,NULL);
-#endif
-#ifdef AUDIO
- pthread_join(the_audio,NULL);
-#endif
-
- mpeg3_close(zsrc);
- return 0;
-}
-
projects / goodguy / history.git / blobdiff