forked from KolibriOS/kolibrios
430 lines
11 KiB
C
430 lines
11 KiB
C
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#include <stdint.h>
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libavdevice/avdevice.h>
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#include <libswscale/swscale.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <kos32sys.h>
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#include "winlib/winlib.h"
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#include "sound.h"
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#include "fplay.h"
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#ifdef HAVE_VAAPI
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int va_check_codec_support(enum AVCodecID id);
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#endif
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volatile enum player_state player_state = STOP;
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volatile enum player_state decoder_state = PREPARE;
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volatile enum player_state sound_state = STOP;
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uint32_t win_width, win_height;
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AVFrame *pFrame;
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int have_sound = 0;
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uint8_t *decoder_buffer;
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extern int resampler_size;
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extern int sample_rate;
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char *movie_file;
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void flush_video(vst_t* vst);
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int64_t rewind_pos;
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int64_t stream_duration;
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int threads_running = DECODER_THREAD;
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extern double audio_base;
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double get_audio_base(vst_t* vst)
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{
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return (double)av_q2d(vst->fCtx->streams[vst->aStream]->time_base)*1000;
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};
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int main( int argc, char *argv[])
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{
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static vst_t vst;
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int i, ret;
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char *file_name, *dot;
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if(argc < 2)
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{
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movie_file = get_moviefile();
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if(movie_file == NULL)
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{
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printf("Please provide a movie file\n");
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return -1;
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}
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}
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else movie_file = argv[1];
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/* register all codecs, demux and protocols */
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av_log_set_level(AV_LOG_FATAL);
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avcodec_register_all();
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avdevice_register_all();
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av_register_all();
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if( avformat_open_input(&vst.fCtx, movie_file, NULL, NULL) < 0)
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{
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printf("Cannot open file %s\n\r", movie_file);
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return -1; // Couldn't open file
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};
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vst.fCtx->flags |= AVFMT_FLAG_GENPTS;
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// Retrieve stream information
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if(avformat_find_stream_info(vst.fCtx, NULL) < 0)
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{
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printf("Cannot find streams\n\r");
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return -1;
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};
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file_name = strrchr(movie_file,'/')+1;
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dot = strrchr(file_name,'.');
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if(dot)
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{
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movie_file = malloc(dot-file_name+1);
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memcpy(movie_file, file_name, dot-file_name);
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movie_file[dot-file_name] = 0;
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}
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else movie_file = file_name;
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stream_duration = vst.fCtx->duration;
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// Find the first video stream
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vst.vStream = -1;
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vst.aStream = -1;
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for(i=0; i < vst.fCtx->nb_streams; i++)
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{
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if(vst.fCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO
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&& vst.vStream < 0)
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{
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vst.vStream = i;
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video_time_base = vst.fCtx->streams[i]->time_base;
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if(stream_duration == 0)
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stream_duration = vst.fCtx->streams[i]->duration;
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}
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if(vst.fCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_AUDIO &&
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vst.aStream < 0)
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{
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vst.aStream = i;
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if(stream_duration == 0)
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stream_duration = vst.fCtx->streams[i]->duration;
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}
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}
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if(vst.vStream==-1)
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{
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printf("Video stream not detected\n\r");
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return -1; // Didn't find a video stream
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};
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// __asm__ __volatile__("int3");
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// Get a pointer to the codec context for the video stream
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vst.vCtx = vst.fCtx->streams[vst.vStream]->codec;
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vst.aCtx = vst.fCtx->streams[vst.aStream]->codec;
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vst.vCodec = avcodec_find_decoder(vst.vCtx->codec_id);
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printf("codec id %x name %s\n",vst.vCtx->codec_id, vst.vCodec->name);
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printf("ctx->pix_fmt %d\n", vst.vCtx->pix_fmt);
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if(vst.vCodec == NULL)
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{
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printf("Unsupported codec with id %d for input stream %d\n",
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vst.vCtx->codec_id, vst.vStream);
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return -1; // Codec not found
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}
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if(fplay_init_context(&vst))
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return -1;
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if(avcodec_open2(vst.vCtx, vst.vCodec, NULL) < 0)
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{
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printf("Error while opening codec for input stream %d\n",
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vst.vStream);
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return -1; // Could not open codec
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};
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printf("ctx->pix_fmt %d\n", vst.vCtx->pix_fmt);
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mutex_init(&vst.q_video.lock);
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mutex_init(&vst.q_audio.lock);
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mutex_init(&vst.gpu_lock);
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if (vst.aCtx->channels > 0)
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vst.aCtx->request_channels = FFMIN(2, vst.aCtx->channels);
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else
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vst.aCtx->request_channels = 2;
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vst.aCodec = avcodec_find_decoder(vst.aCtx->codec_id);
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if(vst.aCodec)
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{
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if(avcodec_open2(vst.aCtx, vst.aCodec, NULL) >= 0 )
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{
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WAVEHEADER whdr;
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int fmt;
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int channels;
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printf("audio stream rate %d channels %d format %d\n",
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vst.aCtx->sample_rate, vst.aCtx->channels, vst.aCtx->sample_fmt );
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whdr.riff_id = 0x46464952;
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whdr.riff_format = 0x45564157;
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whdr.wFormatTag = 0x01;
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whdr.nSamplesPerSec = vst.aCtx->sample_rate;
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whdr.nChannels = 2;
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whdr.wBitsPerSample = 16;
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sample_rate = vst.aCtx->sample_rate;
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fmt = test_wav(&whdr);
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if( init_audio(fmt) )
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{
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decoder_buffer = (uint8_t*)av_mallocz(192000*2+64);
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if( decoder_buffer != NULL )
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{
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mutex_init(&astream.lock);
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astream.count = 0;
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astream.buffer = (char *)av_mallocz(192000*3);
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if( astream.buffer != NULL )
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have_sound = 1;
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else
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av_free(decoder_buffer);
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}
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if( have_sound == 0)
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{
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printf("Not enough memory for audio buffers\n");
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}
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}
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}
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else printf("Cannot open audio codec\n\r");
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}
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else printf("Unsupported audio codec!\n");
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if(!init_video(&vst))
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return 0;
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decoder(&vst);
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// Free the YUV frame
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av_free(pFrame);
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//__asm__ __volatile__("int3");
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while( threads_running &
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(AUDIO_THREAD | VIDEO_THREAD))
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delay(1);
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if(astream.lock.handle)
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mutex_destroy(&astream.lock);
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mutex_destroy(&vst.q_video.lock);
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mutex_destroy(&vst.q_audio.lock);
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return 0;
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}
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static int load_frame(vst_t *vst)
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{
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AVPacket packet;
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int err;
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err = av_read_frame(vst->fCtx, &packet);
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if( err == 0)
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{
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if(packet.stream_index == vst->vStream)
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put_packet(&vst->q_video, &packet);
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else if( (packet.stream_index == vst->aStream) &&
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(have_sound != 0) )
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{
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put_packet(&vst->q_audio, &packet);
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if(audio_base == -1.0)
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{
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if (packet.pts != AV_NOPTS_VALUE)
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audio_base = get_audio_base(vst) * packet.pts;
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// printf("audio base %f\n", audio_base);
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};
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}
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else av_free_packet(&packet);
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}
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else if (err != AVERROR_EOF)
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printf("av_read_frame: error %x\n", err);
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return err;
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}
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static int fill_queue(vst_t* vst)
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{
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int err = 0;
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AVPacket packet;
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while( (vst->q_video.size < 4*1024*1024) && !err )
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err = load_frame(vst);
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return err;
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};
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static void flush_all(vst_t* vst)
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{
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AVPacket packet;
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avcodec_flush_buffers(vst->vCtx);
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avcodec_flush_buffers(vst->aCtx);
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while( get_packet(&vst->q_video, &packet) != 0)
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av_free_packet(&packet);
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while( get_packet(&vst->q_audio, &packet)!= 0)
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av_free_packet(&packet);
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flush_video(vst);
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astream.count = 0;
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};
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void decoder(vst_t* vst)
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{
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int eof;
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AVPacket packet;
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int ret, vret, aret;
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int64_t min_pos, max_pos;
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// av_log_set_level(AV_LOG_DEBUG);
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while( player_state != CLOSED )
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{
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int err;
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switch(decoder_state)
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{
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case PREPARE:
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eof = fill_queue(vst);
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do
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{
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if( (vst->q_video.size < 4*1024*1024) &&
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(eof == 0) )
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{
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eof = load_frame(vst);
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}
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decode_video(vst);
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ret = decode_audio(vst->aCtx, &vst->q_audio);
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}while(astream.count < resampler_size*2 &&
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ret == 1);
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sound_state = PREPARE;
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decoder_state = PLAY;
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player_state = PLAY;
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case PLAY:
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if( (vst->q_video.size < 4*1024*1024) &&
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(eof == 0) )
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{
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eof = load_frame(vst);
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}
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vret = decode_video(vst);
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aret = decode_audio(vst->aCtx, &vst->q_audio);
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ret = vret | aret;
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if( eof && !ret)
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{
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decoder_state = STOP;
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continue;
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};
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if( (vret & aret) == -1)
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{
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if( (vst->q_video.size < 4*1024*1024) &&
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(eof == 0) )
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{
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eof = load_frame(vst);
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yield();
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continue;
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};
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delay(1);
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continue;
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}
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yield();
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continue;
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case STOP:
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delay(1);
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continue;
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case PLAY_2_STOP:
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while(sound_state != STOP)
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delay(1);
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flush_all(vst);
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if (vst->fCtx->start_time != AV_NOPTS_VALUE)
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rewind_pos = vst->fCtx->start_time;
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else
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rewind_pos = 0;
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ret = avformat_seek_file(vst->fCtx, -1, INT64_MIN,
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rewind_pos, INT64_MAX, 0);
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decoder_state = STOP;
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break;
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case REWIND:
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while(sound_state != STOP)
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yield();
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flush_all(vst);
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int opts = 0;
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if(rewind_pos < 0)
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{
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rewind_pos = -rewind_pos;
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opts = AVSEEK_FLAG_BACKWARD;
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};
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if (vst->fCtx->start_time != AV_NOPTS_VALUE)
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rewind_pos += vst->fCtx->start_time;
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// printf("rewind %8"PRId64"\n", rewind_pos);
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min_pos = rewind_pos - 1000000;
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max_pos = rewind_pos + 1000000;
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ret = avformat_seek_file(vst->fCtx, -1, INT64_MIN,
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rewind_pos, INT64_MAX, 0);
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if (ret < 0)
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{
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printf("could not seek to position %f\n",
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(double)rewind_pos / AV_TIME_BASE);
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}
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decoder_state = PREPARE;
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break;
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}
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};
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};
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