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dshow: miscellaneous tweaks

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Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
This commit is contained in:
rogerdpack 2015-01-23 06:01:32 -07:00
parent d01234419b
commit e620eee88c
2 changed files with 9 additions and 6 deletions
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13
libavdevice/dshow.c
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@ -188,10 +188,12 @@ static int shall_we_drop(AVFormatContext *s, int index, enum dshowDeviceType dev
static const uint8_t dropscore[] = {62, 75, 87, 100};
const int ndropscores = FF_ARRAY_ELEMS(dropscore);
unsigned int buffer_fullness = (ctx->curbufsize[index]*100)/s->max_picture_buffer;
const char *devtypename = (devtype == VideoDevice) ? "video" : "audio";
if(dropscore[++ctx->video_frame_num%ndropscores] <= buffer_fullness) {
av_log(s, AV_LOG_ERROR,
"real-time buffer[%s] too full (%d%% of size: %d)! frame dropped!\n", ctx->device_name[devtype], buffer_fullness, s->max_picture_buffer);
"real-time buffer [%s] [%s input] too full or near too full (%d%% of size: %d [rtbufsize parameter])! frame dropped!\n",
ctx->device_name[devtype], devtypename, buffer_fullness, s->max_picture_buffer);
return 1;
}
@ -366,7 +368,7 @@ dshow_cycle_formats(AVFormatContext *avctx, enum dshowDeviceType devtype,
AM_MEDIA_TYPE *type = NULL;
int format_set = 0;
void *caps = NULL;
int i, n, size;
int i, n, size, r;
if (IPin_QueryInterface(pin, &IID_IAMStreamConfig, (void **) &config) != S_OK)
return;
@ -378,8 +380,9 @@ dshow_cycle_formats(AVFormatContext *avctx, enum dshowDeviceType devtype,
goto end;
for (i = 0; i < n && !format_set; i++) {
IAMStreamConfig_GetStreamCaps(config, i, &type, (void *) caps);
r = IAMStreamConfig_GetStreamCaps(config, i, &type, (void *) caps);
if (r != S_OK)
goto next;
#if DSHOWDEBUG
ff_print_AM_MEDIA_TYPE(type);
#endif
@ -643,6 +646,7 @@ dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
goto next;
IEnumMediaTypes_Reset(types);
/* in case format_set was not called, just verify the majortype */
while (!device_pin && IEnumMediaTypes_Next(types, 1, &type, NULL) == S_OK) {
if (IsEqualGUID(&type->majortype, mediatype[devtype])) {
device_pin = pin;
@ -663,7 +667,6 @@ next:
av_free(pin_buf);
if (pin_id)
CoTaskMemFree(pin_id);
}
IEnumPins_Release(pins);

2
libavdevice/dshow_capture.h
View File

@ -223,7 +223,7 @@ libAVEnumPins *libAVEnumPins_Create (libAVPin *pin, libAVFilter *filter);
* libAVEnumMediaTypes
****************************************************************************/
struct libAVEnumMediaTypes {
IEnumPinsVtbl *vtbl;
IEnumMediaTypesVtbl *vtbl;
long ref;
int pos;
AM_MEDIA_TYPE type;