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ffmpeg: factor out sending frame to filters

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Video doesn't exit ffmpeg on error anymore, and audio now prints an
error.
This commit is contained in:
Clément Bœsch 2016-10-24 23:01:23 +02:00
parent b9c26aed4e
commit 825f6fbfac
1 changed files with 30 additions and 34 deletions
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64
ffmpeg.c
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@ -2065,9 +2065,35 @@ static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacke
return 0;
}
static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
{
int i, ret;
AVFrame *f;
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
ret = av_frame_ref(f, decoded_frame);
if (ret < 0)
break;
} else
f = decoded_frame;
ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
AV_BUFFERSRC_FLAG_PUSH);
if (ret == AVERROR_EOF)
ret = 0; /* ignore */
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR,
"Failed to inject frame into filter network: %s\n", av_err2str(ret));
break;
}
}
return ret;
}
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVFrame *decoded_frame, *f;
AVFrame *decoded_frame;
AVCodecContext *avctx = ist->dec_ctx;
int i, ret, err = 0, resample_changed;
AVRational decoded_frame_tb;
@ -2172,21 +2198,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
(AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
(AVRational){1, avctx->sample_rate});
ist->nb_samples = decoded_frame->nb_samples;
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
err = av_frame_ref(f, decoded_frame);
if (err < 0)
break;
} else
f = decoded_frame;
err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
AV_BUFFERSRC_FLAG_PUSH);
if (err == AVERROR_EOF)
err = 0; /* ignore */
if (err < 0)
break;
}
err = send_frame_to_filters(ist, decoded_frame);
decoded_frame->pts = AV_NOPTS_VALUE;
fail:
@ -2197,7 +2209,7 @@ fail:
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eof)
{
AVFrame *decoded_frame, *f;
AVFrame *decoded_frame;
int i, ret = 0, err = 0, resample_changed;
int64_t best_effort_timestamp;
int64_t dts = AV_NOPTS_VALUE;
@ -2346,23 +2358,7 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eo
}
}
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
err = av_frame_ref(f, decoded_frame);
if (err < 0)
break;
} else
f = decoded_frame;
err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
if (err == AVERROR_EOF) {
err = 0; /* ignore */
} else if (err < 0) {
av_log(NULL, AV_LOG_FATAL,
"Failed to inject frame into filter network: %s\n", av_err2str(err));
exit_program(1);
}
}
err = send_frame_to_filters(ist, decoded_frame);
fail:
av_frame_unref(ist->filter_frame);