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doc/examples/filtering_*: switch to codecpar

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This commit is contained in:
Clément Bœsch 2017-03-28 11:29:19 +02:00
parent c0628919b8
commit c3706bc255
2 changed files with 14 additions and 4 deletions
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9
doc/examples/filtering_audio.c
View File

@ -69,7 +69,12 @@ static int open_input_file(const char *filename)
return ret; return ret;
} }
audio_stream_index = ret; audio_stream_index = ret;
dec_ctx = fmt_ctx->streams[audio_stream_index]->codec;
/* create decoding context */
dec_ctx = avcodec_alloc_context3(dec);
if (!dec_ctx)
return AVERROR(ENOMEM);
avcodec_parameters_to_context(dec_ctx, fmt_ctx->streams[audio_stream_index]->codecpar);
av_opt_set_int(dec_ctx, "refcounted_frames", 1, 0); av_opt_set_int(dec_ctx, "refcounted_frames", 1, 0);
/* init the audio decoder */ /* init the audio decoder */
@ -281,7 +286,7 @@ int main(int argc, char **argv)
} }
end: end:
avfilter_graph_free(&filter_graph); avfilter_graph_free(&filter_graph);
avcodec_close(dec_ctx); avcodec_free_context(&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);

9
doc/examples/filtering_video.c
View File

@ -72,7 +72,12 @@ static int open_input_file(const char *filename)
return ret; return ret;
} }
video_stream_index = ret; video_stream_index = ret;
dec_ctx = fmt_ctx->streams[video_stream_index]->codec;
/* create decoding context */
dec_ctx = avcodec_alloc_context3(dec);
if (!dec_ctx)
return AVERROR(ENOMEM);
avcodec_parameters_to_context(dec_ctx, fmt_ctx->streams[video_stream_index]->codecpar);
av_opt_set_int(dec_ctx, "refcounted_frames", 1, 0); av_opt_set_int(dec_ctx, "refcounted_frames", 1, 0);
/* init the video decoder */ /* init the video decoder */
@ -266,7 +271,7 @@ int main(int argc, char **argv)
} }
end: end:
avfilter_graph_free(&filter_graph); avfilter_graph_free(&filter_graph);
avcodec_close(dec_ctx); avcodec_free_context(&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);