diff --git a/libavcodec/api-example.c b/libavcodec/api-example.c index 2a47fea7f8..763c228093 100644 --- a/libavcodec/api-example.c +++ b/libavcodec/api-example.c @@ -115,10 +115,13 @@ static void audio_decode_example(const char *outfilename, const char *filename) { AVCodec *codec; AVCodecContext *c= NULL; - int out_size, size, len; + int out_size, len; FILE *f, *outfile; uint8_t *outbuf; - uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE], *inbuf_ptr; + uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; + AVPacket avpkt; + + av_init_packet(&avpkt); printf("Audio decoding\n"); @@ -151,17 +154,16 @@ static void audio_decode_example(const char *outfilename, const char *filename) } /* decode until eof */ - inbuf_ptr = inbuf; + avpkt.data = inbuf; for(;;) { - size = fread(inbuf, 1, INBUF_SIZE, f); - if (size == 0) + avpkt.size = fread(inbuf, 1, INBUF_SIZE, f); + if (avpkt.size == 0) break; - inbuf_ptr = inbuf; - while (size > 0) { + avpkt.data = inbuf; + while (avpkt.size > 0) { out_size = AVCODEC_MAX_AUDIO_FRAME_SIZE; - len = avcodec_decode_audio2(c, (short *)outbuf, &out_size, - inbuf_ptr, size); + len = avcodec_decode_audio3(c, (short *)outbuf, &out_size, &avpkt); if (len < 0) { fprintf(stderr, "Error while decoding\n"); exit(1); @@ -170,8 +172,8 @@ static void audio_decode_example(const char *outfilename, const char *filename) /* if a frame has been decoded, output it */ fwrite(outbuf, 1, out_size, outfile); } - size -= len; - inbuf_ptr += len; + avpkt.size -= len; + avpkt.data += len; } } @@ -314,11 +316,14 @@ static void video_decode_example(const char *outfilename, const char *filename) { AVCodec *codec; AVCodecContext *c= NULL; - int frame, size, got_picture, len; + int frame, got_picture, len; FILE *f; AVFrame *picture; - uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE], *inbuf_ptr; + uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; char buf[1024]; + AVPacket avpkt; + + av_init_packet(&avpkt); /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */ memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE); @@ -358,8 +363,8 @@ static void video_decode_example(const char *outfilename, const char *filename) frame = 0; for(;;) { - size = fread(inbuf, 1, INBUF_SIZE, f); - if (size == 0) + avpkt.size = fread(inbuf, 1, INBUF_SIZE, f); + if (avpkt.size == 0) break; /* NOTE1: some codecs are stream based (mpegvideo, mpegaudio) @@ -377,10 +382,9 @@ static void video_decode_example(const char *outfilename, const char *filename) /* here, we use a stream based decoder (mpeg1video), so we feed decoder and see if it could decode a frame */ - inbuf_ptr = inbuf; - while (size > 0) { - len = avcodec_decode_video(c, picture, &got_picture, - inbuf_ptr, size); + avpkt.data = inbuf; + while (avpkt.size > 0) { + len = avcodec_decode_video2(c, picture, &got_picture, &avpkt); if (len < 0) { fprintf(stderr, "Error while decoding frame %d\n", frame); exit(1); @@ -396,16 +400,17 @@ static void video_decode_example(const char *outfilename, const char *filename) c->width, c->height, buf); frame++; } - size -= len; - inbuf_ptr += len; + avpkt.size -= len; + avpkt.data += len; } } /* some codecs, such as MPEG, transmit the I and P frame with a latency of one frame. You must do the following to have a chance to get the last frame of the video */ - len = avcodec_decode_video(c, picture, &got_picture, - NULL, 0); + avpkt.data = NULL; + avpkt.size = 0; + len = avcodec_decode_video2(c, picture, &got_picture, &avpkt); if (got_picture) { printf("saving last frame %3d\n", frame); fflush(stdout);