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| author | Zhao Zhili <wantlamy@gmail.com> | 2018-05-14 20:17:59 +0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-05-16 00:39:52 +0200 |
| commit | 84d4af4ea8aacb43abef57f0542cec209705fead (patch) | |
| tree | fcb4bd75f573fac278c6e47346d109d34820bdab /doc | |
| parent | 989c5a84acffa327cc3daf90c2e4226cf2174481 (diff) | |
| download | ffmpeg-streaming-84d4af4ea8aacb43abef57f0542cec209705fead.zip ffmpeg-streaming-84d4af4ea8aacb43abef57f0542cec209705fead.tar.gz | |
examples/filtering_video: drop an always true condition
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/examples/filtering_video.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/doc/examples/filtering_video.c b/doc/examples/filtering_video.c index 38ff9bb..b219125 100644 --- a/doc/examples/filtering_video.c +++ b/doc/examples/filtering_video.c @@ -247,27 +247,25 @@ int main(int argc, char **argv) goto end; } - if (ret >= 0) { - frame->pts = frame->best_effort_timestamp; + frame->pts = frame->best_effort_timestamp; - /* push the decoded frame into the filtergraph */ - if (av_buffersrc_add_frame_flags(buffersrc_ctx, frame, AV_BUFFERSRC_FLAG_KEEP_REF) < 0) { - av_log(NULL, AV_LOG_ERROR, "Error while feeding the filtergraph\n"); + /* push the decoded frame into the filtergraph */ + if (av_buffersrc_add_frame_flags(buffersrc_ctx, frame, AV_BUFFERSRC_FLAG_KEEP_REF) < 0) { + av_log(NULL, AV_LOG_ERROR, "Error while feeding the filtergraph\n"); + break; + } + + /* pull filtered frames from the filtergraph */ + while (1) { + ret = av_buffersink_get_frame(buffersink_ctx, filt_frame); + if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) break; - } - - /* pull filtered frames from the filtergraph */ - while (1) { - ret = av_buffersink_get_frame(buffersink_ctx, filt_frame); - if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) - break; - if (ret < 0) - goto end; - display_frame(filt_frame, buffersink_ctx->inputs[0]->time_base); - av_frame_unref(filt_frame); - } - av_frame_unref(frame); + if (ret < 0) + goto end; + display_frame(filt_frame, buffersink_ctx->inputs[0]->time_base); + av_frame_unref(filt_frame); } + av_frame_unref(frame); } } av_packet_unref(&packet); |
