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doc/examples: do not check NULL values for avcodec_close()

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avcodec_close() does nothing in case the argument is NULL. Simplify.
This commit is contained in:
Stefano Sabatini 2013-11-21 23:29:56 +01:00
parent 98786aa2f0
commit 50a28b1393
3 changed files with 4 additions and 8 deletions
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6
doc/examples/demuxing_decoding.c
View File

@ -369,10 +369,8 @@ int main (int argc, char **argv)
} }
end: end:
if (video_dec_ctx) avcodec_close(video_dec_ctx);
avcodec_close(video_dec_ctx); avcodec_close(audio_dec_ctx);
if (audio_dec_ctx)
avcodec_close(audio_dec_ctx);
avformat_close_input(&fmt_ctx); avformat_close_input(&fmt_ctx);
if (video_dst_file) if (video_dst_file)
fclose(video_dst_file); fclose(video_dst_file);

3
doc/examples/filtering_audio.c
View File

@ -248,8 +248,7 @@ int main(int argc, char **argv)
} }
end: end:
avfilter_graph_free(&filter_graph); avfilter_graph_free(&filter_graph);
if (dec_ctx) avcodec_close(dec_ctx);
avcodec_close(dec_ctx);
avformat_close_input(&fmt_ctx); avformat_close_input(&fmt_ctx);
av_frame_free(&frame); av_frame_free(&frame);
av_frame_free(&filt_frame); av_frame_free(&filt_frame);

3
doc/examples/filtering_video.c
View File

@ -237,8 +237,7 @@ int main(int argc, char **argv)
} }
end: end:
avfilter_graph_free(&filter_graph); avfilter_graph_free(&filter_graph);
if (dec_ctx) avcodec_close(dec_ctx);
avcodec_close(dec_ctx);
avformat_close_input(&fmt_ctx); avformat_close_input(&fmt_ctx);
av_frame_free(&frame); av_frame_free(&frame);
av_frame_free(&filt_frame); av_frame_free(&filt_frame);