mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-11-29 12:13:12 +03:00
397 lines
10 KiB
C
397 lines
10 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 "../winlib/winlib.h"
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#include "sound.h"
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#include "fplay.h"
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volatile enum player_state player_state;
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uint32_t win_width, win_height;
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void decoder();
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AVFormatContext *pFormatCtx;
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AVCodecContext *pCodecCtx;
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AVCodecContext *aCodecCtx;
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AVCodec *pCodec;
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AVCodec *aCodec;
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AVFrame *pFrame;
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int videoStream;
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int audioStream;
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int have_sound = 0;
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uint8_t *decoder_buffer;
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extern int sample_rate;
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char *movie_file;
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void flush_video();
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queue_t q_video;
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queue_t q_audio;
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int64_t rewind_pos;
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int64_t stream_duration;
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extern double audio_base;
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double get_audio_base()
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{
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return (double)av_q2d(pFormatCtx->streams[audioStream]->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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int i;
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if(argc < 2) {
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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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movie_file = argv[1];
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/* register all codecs, demux and protocols */
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// av_log_set_level(AV_LOG_INFO);
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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(&pFormatCtx, argv[1], NULL, NULL) < 0)
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{
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printf("Cannot open file %s\n\r", argv[1]);
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return -1; // Couldn't open file
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};
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pFormatCtx->flags |= AVFMT_FLAG_GENPTS;
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// Retrieve stream information
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if(avformat_find_stream_info(pFormatCtx, 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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// __asm__ __volatile__("int3");
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// dump_format(pFormatCtx, 0, argv[1], 0);
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// stream_duration = 1000.0 * pFormatCtx->duration * av_q2d(AV_TIME_BASE_Q);
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stream_duration = pFormatCtx->duration;
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printf("duration %f\n", (double)stream_duration);
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// Find the first video stream
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videoStream=-1;
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audioStream=-1;
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for(i=0; i < pFormatCtx->nb_streams; i++)
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{
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// pFormatCtx->streams[i]->discard = AVDISCARD_ALL;
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if(pFormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO
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&& videoStream < 0)
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{
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videoStream=i;
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video_time_base = pFormatCtx->streams[i]->time_base;
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if(stream_duration == 0)
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// stream_duration = 1000.0 *
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// pFormatCtx->streams[i]->duration *
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// av_q2d(pFormatCtx->streams[i]->time_base);
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stream_duration = pFormatCtx->streams[i]->duration;
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}
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if(pFormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_AUDIO &&
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audioStream < 0)
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{
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audioStream=i;
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if(stream_duration == 0)
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// stream_duration = 1000.0 *
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// pFormatCtx->streams[i]->duration *
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// av_q2d(pFormatCtx->streams[i]->time_base);
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stream_duration = pFormatCtx->streams[i]->duration;
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}
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}
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if(videoStream==-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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player_state = PLAY_INIT;
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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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pCodecCtx=pFormatCtx->streams[videoStream]->codec;
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aCodecCtx=pFormatCtx->streams[audioStream]->codec;
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// Find the decoder for the video stream
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pCodec=avcodec_find_decoder(pCodecCtx->codec_id);
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if(pCodec==NULL) {
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printf("Unsupported codec with id %d for input stream %d\n",
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pCodecCtx->codec_id, videoStream);
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return -1; // Codec not found
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}
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if(avcodec_open2(pCodecCtx, pCodec, NULL) < 0)
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{
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printf("Error while opening codec for input stream %d\n",
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videoStream);
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return -1; // Could not open codec
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};
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if (aCodecCtx->channels > 0)
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aCodecCtx->request_channels = FFMIN(2, aCodecCtx->channels);
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else
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aCodecCtx->request_channels = 2;
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aCodec = avcodec_find_decoder(aCodecCtx->codec_id);
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if(aCodec)
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{
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if(avcodec_open2(aCodecCtx, aCodec, NULL) >= 0 )
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{
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WAVEHEADER whdr;
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int fmt;
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printf("audio stream rate %d channels %d\n",
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aCodecCtx->sample_rate, aCodecCtx->channels);
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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 = aCodecCtx->sample_rate;
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whdr.nChannels = aCodecCtx->channels;
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whdr.wBitsPerSample = 16;
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sample_rate = aCodecCtx->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(AVCODEC_MAX_AUDIO_FRAME_SIZE*2+64);
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if( decoder_buffer != NULL )
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{
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astream.lock = 0;
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astream.count = 0;
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astream.buffer = (char *)av_mallocz(AVCODEC_MAX_AUDIO_FRAME_SIZE*8);
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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(pCodecCtx))
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return 0;
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// __asm__ __volatile__("int3");
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decoder();
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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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// Close the codec
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// avcodec_close(pCodecCtx);
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// Close the video file
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// av_close_input_file(pFormatCtx);
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//__asm__ __volatile__("int3");
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return 0;
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}
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static int fill_queue()
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{
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int eof = 0;
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AVPacket packet;
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while( !eof)
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{
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int err;
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// __asm__ __volatile__("int3");
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if(q_video.size+q_audio.size < 2*1024*1024)
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{
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err = av_read_frame(pFormatCtx, &packet);
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if( err < 0)
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{
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eof = 1;
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if (err != AVERROR_EOF)
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printf("av_read_frame: error %x\n", err);
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break;
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}
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if(packet.stream_index==videoStream)
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{
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put_packet(&q_video, &packet);
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}
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else if( (packet.stream_index == audioStream) &&
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(have_sound != 0) )
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{
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put_packet(&q_audio, &packet);
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if(audio_base == -1.0)
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{
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if (packet.dts != AV_NOPTS_VALUE)
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audio_base = get_audio_base() * packet.dts;
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// printf("audio base %f\n", audio_base);
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};
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}
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else
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{
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av_free_packet(&packet);
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};
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}
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else break;
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};
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return eof;
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};
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void decoder()
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{
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int eof;
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AVPacket packet;
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int ret;
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eof = fill_queue();
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while( player_state != CLOSED && !eof)
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{
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int err;
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// __asm__ __volatile__("int3");
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if( player_state == PAUSE )
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{
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delay(1);
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continue;
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};
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if( player_state == REWIND )
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{
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// int64_t timestamp = 0;
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// int stream_index = av_find_default_stream_index(pFormatCtx);
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// __asm__ __volatile__("int3");
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if (pFormatCtx->start_time != AV_NOPTS_VALUE)
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rewind_pos += pFormatCtx->start_time;
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printf("rewind %8"PRId64"\n", rewind_pos);
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ret = avformat_seek_file(pFormatCtx, -1, INT64_MIN,
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rewind_pos, INT64_MAX, 0);
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// ret = avformat_seek_file(pFormatCtx, -1, 0,
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// 0, INT64_MAX, 0);
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// __asm__ __volatile__("int3");
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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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else
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{
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avcodec_flush_buffers(pCodecCtx);
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avcodec_flush_buffers(aCodecCtx);
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while( get_packet(&q_video, &packet) != 0)
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av_free_packet(&packet);
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while( get_packet(&q_audio, &packet)!= 0)
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av_free_packet(&packet);
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audio_base = -1.0;
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// __asm__ __volatile__("int3");
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eof = fill_queue();
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};
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yield();
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flush_video();
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player_state = REWIND_2_PLAY;
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printf("restart\n");
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continue;
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};
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if(q_video.size+q_audio.size < 4*1024*1024)
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{
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err = av_read_frame(pFormatCtx, &packet);
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if( err < 0)
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{
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eof = 1;
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if (err != AVERROR_EOF)
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printf("av_read_frame: error %x\n", err);
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continue;
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}
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if(packet.stream_index==videoStream)
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{
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put_packet(&q_video, &packet);
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}
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else if( (packet.stream_index == audioStream) &&
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(have_sound != 0) )
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{
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put_packet(&q_audio, &packet);
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}
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else
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{
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av_free_packet(&packet);
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};
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decode_video(pCodecCtx, &q_video);
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decode_audio(aCodecCtx, &q_audio);
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continue;
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};
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decode_video(pCodecCtx, &q_video);
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decode_audio(aCodecCtx, &q_audio);
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delay(1);
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};
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ret = 1;
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while( (player_state != CLOSED) && ret)
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{
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ret = decode_video(pCodecCtx, &q_video);
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ret |= decode_audio(aCodecCtx, &q_audio);
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delay(1);
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};
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delay(50);
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player_state = CLOSED;
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delay(300);
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};
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