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doc/examples/filtering_video: do not make use of AVBufferSinkParams 

Set the value on the filter context instead. Simplify.
This commit is contained in:
Stefano Sabatini 2013-12-02 14:31:44 +01:00
parent 3aa6018010
commit c7a99d99bd
1 changed files with 8 additions and 5 deletions
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13
doc/examples/filtering_video.c
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@ -91,7 +91,6 @@ static int init_filters(const char *filters_descr)
AVFilterInOut *outputs = avfilter_inout_alloc(); AVFilterInOut *outputs = avfilter_inout_alloc();
AVFilterInOut *inputs = avfilter_inout_alloc(); AVFilterInOut *inputs = avfilter_inout_alloc();
enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE }; enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
AVBufferSinkParams *buffersink_params;
filter_graph = avfilter_graph_alloc(); filter_graph = avfilter_graph_alloc();
if (!outputs || !inputs || !filter_graph) { if (!outputs || !inputs || !filter_graph) {
@ -114,16 +113,20 @@ static int init_filters(const char *filters_descr)
} }
/* buffer video sink: to terminate the filter chain. */ /* buffer video sink: to terminate the filter chain. */
buffersink_params = av_buffersink_params_alloc();
buffersink_params->pixel_fmts = pix_fmts;
ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out", ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
NULL, buffersink_params, filter_graph); NULL, NULL, filter_graph);
av_free(buffersink_params);
if (ret < 0) { if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot create buffer sink\n"); av_log(NULL, AV_LOG_ERROR, "Cannot create buffer sink\n");
goto end; goto end;
} }
ret = av_opt_set_int_list(buffersink_ctx, "pix_fmts", pix_fmts,
AV_PIX_FMT_NONE, AV_OPT_SEARCH_CHILDREN);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot set output pixel format\n");
goto end;
}
/* Endpoints for the filter graph. */ /* Endpoints for the filter graph. */
outputs->name = av_strdup("in"); outputs->name = av_strdup("in");
outputs->filter_ctx = buffersrc_ctx; outputs->filter_ctx = buffersrc_ctx;