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dshow: remove filters from graph before releasing them 

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Ramiro Polla 2011-09-13 14:56:28 -03:00 committed by Stefano Sabatini
parent a1644f6287
commit 6613db9736
1 changed files with 16 additions and 16 deletions
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32
libavdevice/dshow.c
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@ -112,6 +112,22 @@ dshow_read_close(AVFormatContext *s)
IMediaControl_Release(ctx->control);
}
if (ctx->graph) {
IEnumFilters *fenum;
int r;
r = IGraphBuilder_EnumFilters(ctx->graph, &fenum);
if (r == S_OK) {
IBaseFilter *f;
IEnumFilters_Reset(fenum);
while (IEnumFilters_Next(fenum, 1, &f, NULL) == S_OK)
if (IGraphBuilder_RemoveFilter(ctx->graph, f) == S_OK)
IEnumFilters_Reset(fenum); /* When a filter is removed,
* the list must be reset. */
IEnumFilters_Release(fenum);
}
IGraphBuilder_Release(ctx->graph);
}
if (ctx->capture_pin[VideoDevice])
libAVPin_Release(ctx->capture_pin[VideoDevice]);
if (ctx->capture_pin[AudioDevice])
@ -130,22 +146,6 @@ dshow_read_close(AVFormatContext *s)
if (ctx->device_filter[AudioDevice])
IBaseFilter_Release(ctx->device_filter[AudioDevice]);
if (ctx->graph) {
IEnumFilters *fenum;
int r;
r = IGraphBuilder_EnumFilters(ctx->graph, &fenum);
if (r == S_OK) {
IBaseFilter *f;
IEnumFilters_Reset(fenum);
while (IEnumFilters_Next(fenum, 1, &f, NULL) == S_OK)
if (IGraphBuilder_RemoveFilter(ctx->graph, f) == S_OK)
IEnumFilters_Reset(fenum); /* When a filter is removed,
* the list must be reset. */
IEnumFilters_Release(fenum);
}
IGraphBuilder_Release(ctx->graph);
}
if (ctx->device_name[0])
av_free(ctx->device_name[0]);
if (ctx->device_name[1])