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avconv: use the same behavior when decoding audio/video/subs 

I.e. if the packet was only partially consumed, pass the rest of it into
the decoder again.

Also simplify the code so it's the same for video/audio/subs.
This commit is contained in:
Anton Khirnov 2011-11-21 21:30:23 +01:00
parent 3eedd29bd7
commit af8ad892bf
1 changed files with 8 additions and 13 deletions
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21
avconv.c
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@ -1635,15 +1635,13 @@ static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
pkt);
if (ret < 0)
return ret;
pkt->data += ret;
pkt->size -= ret;
*got_output = decoded_data_size > 0;
/* Some bug in mpeg audio decoder gives */
/* decoded_data_size < 0, it seems they are overflows */
if (!*got_output) {
/* no audio frame */
return 0;
return ret;
}
decoded_data_buf = (uint8_t *)samples;
@ -1716,7 +1714,7 @@ static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
do_audio_out(output_files[ost->file_index].ctx, ost, ist,
decoded_data_buf, decoded_data_size);
}
return 0;
return ret;
}
static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
@ -1744,7 +1742,7 @@ static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int
if (!*got_output) {
/* no picture yet */
av_freep(&decoded_frame);
return 0;
return ret;
}
ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
decoded_frame->pkt_dts);
@ -1820,9 +1818,7 @@ static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
if (ret < 0)
return ret;
if (!*got_output)
return 0;
pkt->size = 0;
return ret;
rate_emu_sleep(ist);
@ -1836,7 +1832,7 @@ static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
}
avsubtitle_free(&subtitle);
return 0;
return ret;
}
/* pkt = NULL means EOF (needed to flush decoder buffers) */
@ -1895,13 +1891,12 @@ static int output_packet(InputStream *ist, int ist_index,
if (ret < 0)
return ret;
avpkt.data += ret;
avpkt.size -= ret;
if (!got_output) {
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
continue;
goto discard_packet;
continue;
}
}
discard_packet:
/* handle stream copy */
if (!ist->decoding_needed) {