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dshow: call CoUninitialize() on dshow_read_close()

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Every call to CoInitialize should have a matching CoUnititalize.

Based on patch by Don Moir <donmoir@comcast.net>.
This commit is contained in:
Ramiro Polla 2012-12-17 03:44:51 -02:00
parent 190f6135b4
commit 83a9f29f60
1 changed files with 7 additions and 6 deletions
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13
libavdevice/dshow.c
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@ -181,6 +181,8 @@ dshow_read_close(AVFormatContext *s)
pktl = next;
}
CoUninitialize();
return 0;
}
@ -793,7 +795,6 @@ dshow_add_device(AVFormatContext *avctx,
if (codec->codec_id == AV_CODEC_ID_NONE) {
av_log(avctx, AV_LOG_ERROR, "Unknown compression type. "
"Please report verbose (-v 9) debug information.\n");
dshow_read_close(avctx);
return AVERROR_PATCHWELCOME;
}
codec->bits_per_coded_sample = bih->biBitCount;
@ -883,6 +884,8 @@ static int dshow_read_header(AVFormatContext *avctx)
int ret = AVERROR(EIO);
int r;
CoInitialize(0);
if (!ctx->list_devices && !parse_device_name(avctx)) {
av_log(avctx, AV_LOG_ERROR, "Malformed dshow input string.\n");
goto error;
@ -906,8 +909,6 @@ static int dshow_read_header(AVFormatContext *avctx)
}
}
CoInitialize(0);
r = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
&IID_IGraphBuilder, (void **) &graph);
if (r != S_OK) {
@ -1007,12 +1008,12 @@ static int dshow_read_header(AVFormatContext *avctx)
error:
if (ret < 0)
dshow_read_close(avctx);
if (devenum)
ICreateDevEnum_Release(devenum);
if (ret < 0)
dshow_read_close(avctx);
return ret;
}