+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <alsa/asoundlib.h>
-#include <sys/time.h>
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-
-#ifdef __cplusplus
-#include "libzmpeg3.h"
-#else
-#include "../libmpeg3/libmpeg3.h"
-#define zmpeg3_t mpeg3_t
-#endif
-
-#define AUDIO
-#define VIDEO
-
-/* c++ `pkg-config --cflags --libs gtk+-2.0` y.C ./x86_64/libzmpeg3.a -lpthread -lasound -lm */
-
-#ifdef AUDIO
-snd_pcm_t *zpcm;
-snd_pcm_uframes_t zpcm_ufrm_size;
-snd_pcm_sframes_t zpcm_sbfr_size;
-snd_pcm_sframes_t zpcm_sper_size;
-unsigned int zpcm_rate;
-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; }
-}
-
-void alsa_open(int chs,int rate)
-{
- int ich, bits, byts, dir, ret;
- 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;
- ret = snd_pcm_open(&zpcm, zpcm_device,
- SND_PCM_STREAM_PLAYBACK, 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 len)
-{
- int i, ret;
-#ifdef __cplusplus
- short *bfrs[zpcm_channels];
-#else
- short **bfrs = alloca(zpcm_channels*sizeof(short *));
-#endif
- ret = 0;
- for( i=0; i<zpcm_channels; ++i ) bfrs[i] = zpcm_buffers[i];
-
- while( len > 0 ) {
- ret = snd_pcm_writen(zpcm,(void **)bfrs, len);
- if( ret == -EAGAIN ) continue;
- if ( ret < 0 ) {
- alsa_recovery(ret);
- break;
- }
- for( i=0; i<zpcm_channels; ++i ) bfrs[i] += ret;
- len -= ret;
- }
- return ret < 0 ? ret : 0;
-}
-
-#endif
-
-int done = 0;
-
-void sigint(int n)
-{
- done = 1;
-}
-
-
-void dst_exit(GtkWidget *widget, gpointer data)
-{
- exit(0);
-}
-
-double the_time()
-{
- struct timeval tv;
- gettimeofday(&tv,NULL);
- return tv.tv_sec + tv.tv_usec/1000000.0;
-}
-
-int main(int ac, char **av)
-{
- int ret, more_data, frame, astream, vstream;
- int has_audio, total_astreams, audio_channels, sample_rate;
- int has_video, total_vstreams, width, height, colormodel;
- int owidth, oheight;
- long audio_samples, video_frames;
- float frame_rate;
-
-#ifdef VIDEO
- GtkWidget *window;
- GtkWidget *panel_hbox;
- GtkWidget *image;
- GdkPixbuf *pbuf0, *pbuf1;
- GdkImage *img0, *img1;
- GdkVisual *visual;
- double start, zstart, now, znow, delay;
- unsigned char **rows, **row0, **row1, *cap, *cap0, *cap1;
- int row;
-
- start = the_time();
- zstart = -1;
-#endif
-
- setbuf(stdout,NULL);
-
- zmpeg3_t* zsrc = mpeg3_open("/tmp/dat",&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/VIDEO_TS.IFO",&ret);
- printf(" ret = %d\n",ret);
- if( ret != 0 ) exit(1);
- 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);
- }
-
- //mpeg3_set_cpus(zsrc,2);
- mpeg3_seek_byte(zsrc,0);
- //oheight = 1050-96;
- //owidth = 1680-64;
- oheight = height;
- owidth = width;
-
-#ifdef AUDIO
- alsa_open(audio_channels,sample_rate);
-#endif
-#ifdef VIDEO
- gtk_set_locale();
- gtk_init(&ac, &av);
- 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,FALSE,8,owidth,oheight,owidth*3,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,FALSE,8,owidth,oheight,owidth*3,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 = zmpeg3_t::cmdl_RGB888;
-#else
- row0 = malloc(oheight*sizeof(unsigned char *));
- row1 = malloc(oheight*sizeof(unsigned char *));
- int cmdl = MPEG3_RGB888;
-#endif
- for( row=0; row<oheight; ++row ) {
- row0[row] = cap0 + row*owidth*3;
- row1[row] = cap1 + row*owidth*3;
- }
-
- gtk_widget_show_all(window);
- cap = cap0;
- rows = row0;
-#endif
-
- signal(SIGINT,sigint);
- frame = 0;
- more_data = 1;
-
- while( done == 0 && more_data ) {
-#ifdef VIDEO
- if( !gtk_events_pending() ) {
-#endif
- more_data = 0;
-#ifdef AUDIO
- int ich;
- int n = alsa_bfrsz();
- for( ich=0; ich<audio_channels; ++ich) {
- short *bfr = alsa_bfr(ich);
- ret = ich == 0 ?
- mpeg3_read_audio(zsrc, 0, bfr, ich, n, 0) :
- mpeg3_reread_audio(zsrc, 0, bfr, ich, n, 0);
- printf("read_audio(stream=%d,channel=%d) = %d\n", 0, ich, ret);
- }
- alsa_write(n);
- more_data |= !mpeg3_end_of_audio(zsrc,0);
-#endif
-#ifdef VIDEO
- ret = mpeg3_read_frame(zsrc, rows, 0, 0, width, height,
- owidth, oheight, cmdl, 0);
- printf("read_video(stream=%d, frame=%d) = %d\n", 0, frame, ret);
- GdkGC *blk = image->style->black_gc;
- gdk_draw_rgb_image(image->window,blk, 0,0,owidth,oheight,
- GDK_RGB_DITHER_NONE,cap,owidth*3);
- *(unsigned long *)&cap ^= ((unsigned long)cap0 ^ (unsigned long)cap1);
- *(unsigned long *)&rows ^= ((unsigned long)row0 ^ (unsigned long)row1);
- now = the_time();
- znow = mpeg3_get_time(zsrc);
- if( zstart < 0. ) zstart = znow;
- delay = (znow-zstart) - (now-start);
- if( delay > 0 ) usleep((int)(delay*100000.0));
- more_data |= !mpeg3_end_of_video(zsrc,0);
-#endif
- ++frame;
-#ifdef VIDEO
- }
- else
- gtk_main_iteration();
-#endif
- }
-
-#ifdef AUDIO
- alsa_close();
-#endif
- mpeg3_close(zsrc);
- return 0;
-}
-
projects / goodguy / history.git / blobdiff