Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

dshow: some devices only list themselves under "Video sources" but

Browse Source 
actually have both video and audio output pins, so make the audio pins
accessible by video source name.

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
pull/105/head
rogerdpack 10 years ago
parent 5d72cf0f64
commit a35da0920d
2 changed files with 50 additions and 36 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 81
      libavdevice/dshow.c
  2. 5
      libavdevice/dshow_capture.h

81
libavdevice/dshow.c
Unescape View File

@ -203,7 +203,7 @@ fail:
*/
static int
dshow_cycle_devices(AVFormatContext *avctx, ICreateDevEnum *devenum,
enum dshowDeviceType devtype, IBaseFilter **pfilter)
enum dshowDeviceType devtype, enum dshowSourceFilterType sourcetype, IBaseFilter **pfilter)
{
struct dshow_ctx *ctx = avctx->priv_data;
IBaseFilter *device_filter = NULL;
@ -216,12 +216,13 @@ dshow_cycle_devices(AVFormatContext *avctx, ICreateDevEnum *devenum,
const GUID *device_guid[2] = { &CLSID_VideoInputDeviceCategory,
&CLSID_AudioInputDeviceCategory };
const char *devtypename = (devtype == VideoDevice) ? "video" : "audio";
const char *devtypename = (devtype == VideoDevice) ? "video" : "audio only";
const char *sourcetypename = (sourcetype == VideoSourceDevice) ? "video" : "audio";
r = ICreateDevEnum_CreateClassEnumerator(devenum, device_guid[devtype],
r = ICreateDevEnum_CreateClassEnumerator(devenum, device_guid[sourcetype],
(IEnumMoniker **) &classenum, 0);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not enumerate %s devices.\n",
av_log(avctx, AV_LOG_ERROR, "Could not enumerate %s devices (or none found).\n",
devtypename);
return AVERROR(EIO);
}
@ -253,7 +254,6 @@ dshow_cycle_devices(AVFormatContext *avctx, ICreateDevEnum *devenum,
unique_name[i] = '_';
}
r = IMoniker_BindToStorage(m, 0, 0, &IID_IPropertyBag, (void *) &bag);
if (r != S_OK)
goto fail1;
@ -262,10 +262,9 @@ dshow_cycle_devices(AVFormatContext *avctx, ICreateDevEnum *devenum,
r = IPropertyBag_Read(bag, L"FriendlyName", &var, NULL);
if (r != S_OK)
goto fail1;
friendly_name = dup_wchar_to_utf8(var.bstrVal);
if (pfilter) {
if (pfilter) {
if (strcmp(device_name, friendly_name) && strcmp(device_name, unique_name))
goto fail1;
@ -291,15 +290,14 @@ fail1:
if (bag)
IPropertyBag_Release(bag);
IMoniker_Release(m);
}
IEnumMoniker_Release(classenum);
if (pfilter) {
if (!device_filter) {
av_log(avctx, AV_LOG_ERROR, "Could not find %s device.\n",
devtypename);
av_log(avctx, AV_LOG_ERROR, "Could not find %s device with name [%s] among source devices of type %s.\n",
devtypename, device_name, sourcetypename);
return AVERROR(EIO);
}
*pfilter = device_filter;
@ -510,7 +508,7 @@ dshow_show_filter_properties(IBaseFilter *device_filter, AVFormatContext *avctx)
ISpecifyPropertyPages *property_pages = NULL;
IUnknown *device_filter_iunknown = NULL;
HRESULT hr;
FILTER_INFO filter_info = {0}; /* a warning on this line is false positive GCC bug 53119 */
FILTER_INFO filter_info = {0}; /* a warning on this line is false positive GCC bug 53119 AFAICT */
CAUUID ca_guid = {0};
hr = IBaseFilter_QueryInterface(device_filter, &IID_ISpecifyPropertyPages, (void **)&property_pages);
@ -557,7 +555,7 @@ end:
*/
static int
dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
IBaseFilter *device_filter, IPin **ppin)
enum dshowSourceFilterType sourcetype, IBaseFilter *device_filter, IPin **ppin)
{
struct dshow_ctx *ctx = avctx->priv_data;
IEnumPins *pins = 0;
@ -566,7 +564,8 @@ dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
int r;
const GUID *mediatype[2] = { &MEDIATYPE_Video, &MEDIATYPE_Audio };
const char *devtypename = (devtype == VideoDevice) ? "video" : "audio";
const char *devtypename = (devtype == VideoDevice) ? "video" : "audio only";
const char *sourcetypename = (sourcetype == VideoSourceDevice) ? "video" : "audio";
int set_format = (devtype == VideoDevice && (ctx->framerate ||
(ctx->requested_width && ctx->requested_height) ||
@ -586,9 +585,10 @@ dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
}
if (!ppin) {
av_log(avctx, AV_LOG_INFO, "DirectShow %s device options\n",
devtypename);
av_log(avctx, AV_LOG_INFO, "DirectShow %s device options (from %s devices)\n",
devtypename, sourcetypename);
}
while (!device_pin && IEnumPins_Next(pins, 1, &pin, NULL) == S_OK) {
IKsPropertySet *p = NULL;
IEnumMediaTypes *types = NULL;
@ -622,12 +622,12 @@ dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
}
pin_buf = dup_wchar_to_utf8(pin_id);
if (!ppin) {
av_log(avctx, AV_LOG_INFO, " Pin \"%s\" (alternative pin name \"%s\")\n", name_buf, pin_buf);
dshow_cycle_formats(avctx, devtype, pin, NULL);
goto next;
}
if (desired_pin_name) {
if(strcmp(name_buf, desired_pin_name) && strcmp(pin_buf, desired_pin_name)) {
av_log(avctx, AV_LOG_DEBUG, "skipping pin \"%s\" (\"%s\") != requested \"%s\"\n",
@ -694,29 +694,30 @@ next:
}
/**
* List options for device with type devtype.
* List options for device with type devtype, source filter type sourcetype
*
* @param devenum device enumerator used for accessing the device
*/
static int
dshow_list_device_options(AVFormatContext *avctx, ICreateDevEnum *devenum,
enum dshowDeviceType devtype)
enum dshowDeviceType devtype, enum dshowSourceFilterType sourcetype)
{
struct dshow_ctx *ctx = avctx->priv_data;
IBaseFilter *device_filter = NULL;
int r;
if ((r = dshow_cycle_devices(avctx, devenum, devtype, &device_filter)) < 0)
if ((r = dshow_cycle_devices(avctx, devenum, devtype, sourcetype, &device_filter)) < 0)
return r;
ctx->device_filter[devtype] = device_filter;
if ((r = dshow_cycle_pins(avctx, devtype, device_filter, NULL)) < 0)
if ((r = dshow_cycle_pins(avctx, devtype, sourcetype, device_filter, NULL)) < 0)
return r;
return 0;
}
static int
dshow_open_device(AVFormatContext *avctx, ICreateDevEnum *devenum, enum dshowDeviceType devtype)
dshow_open_device(AVFormatContext *avctx, ICreateDevEnum *devenum,
enum dshowDeviceType devtype, enum dshowSourceFilterType sourcetype)
{
struct dshow_ctx *ctx = avctx->priv_data;
IBaseFilter *device_filter = NULL;
@ -730,7 +731,7 @@ dshow_open_device(AVFormatContext *avctx, ICreateDevEnum *devenum, enum dshowDev
const wchar_t *filter_name[2] = { L"Audio capture filter", L"Video capture filter" };
if ((r = dshow_cycle_devices(avctx, devenum, devtype, &device_filter)) < 0) {
if ((r = dshow_cycle_devices(avctx, devenum, devtype, sourcetype, &device_filter)) < 0) {
ret = r;
goto error;
}
@ -743,7 +744,7 @@ dshow_open_device(AVFormatContext *avctx, ICreateDevEnum *devenum, enum dshowDev
goto error;
}
if ((r = dshow_cycle_pins(avctx, devtype, device_filter, &device_pin)) < 0) {
if ((r = dshow_cycle_pins(avctx, devtype, sourcetype, device_filter, &device_pin)) < 0) {
ret = r;
goto error;
}
@ -1010,38 +1011,46 @@ static int dshow_read_header(AVFormatContext *avctx)
}
if (ctx->list_devices) {
av_log(avctx, AV_LOG_INFO, "DirectShow video devices\n");
dshow_cycle_devices(avctx, devenum, VideoDevice, NULL);
av_log(avctx, AV_LOG_INFO, "DirectShow video devices (some may be both video and audio devices)\n");
dshow_cycle_devices(avctx, devenum, VideoDevice, VideoSourceDevice, NULL);
av_log(avctx, AV_LOG_INFO, "DirectShow audio devices\n");
dshow_cycle_devices(avctx, devenum, AudioDevice, NULL);
dshow_cycle_devices(avctx, devenum, AudioDevice, AudioSourceDevice, NULL);
ret = AVERROR_EXIT;
goto error;
}
if (ctx->list_options) {
if (ctx->device_name[VideoDevice])
if ((r = dshow_list_device_options(avctx, devenum, VideoDevice))) {
if ((r = dshow_list_device_options(avctx, devenum, VideoDevice, VideoSourceDevice))) {
ret = r;
goto error;
}
if (ctx->device_name[AudioDevice])
if ((r = dshow_list_device_options(avctx, devenum, AudioDevice))) {
ret = r;
goto error;
if (ctx->device_name[AudioDevice]) {
if (dshow_list_device_options(avctx, devenum, AudioDevice, AudioSourceDevice)) {
/* show audio options from combined video+audio sources as fallback */
if ((r = dshow_list_device_options(avctx, devenum, AudioDevice, VideoSourceDevice))) {
ret = r;
goto error;
}
}
}
}
if (ctx->device_name[VideoDevice]) {
if ((r = dshow_open_device(avctx, devenum, VideoDevice)) < 0 ||
if ((r = dshow_open_device(avctx, devenum, VideoDevice, VideoSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, VideoDevice)) < 0) {
ret = r;
goto error;
}
}
if (ctx->device_name[AudioDevice]) {
if ((r = dshow_open_device(avctx, devenum, AudioDevice)) < 0 ||
if ((r = dshow_open_device(avctx, devenum, AudioDevice, AudioSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
ret = r;
goto error;
av_log(avctx, AV_LOG_INFO, "Searching for audio device within video devices %s\n", ctx->device_name[AudioDevice]);
/* see if there's a video source with an audio pin with the given audio name */
if ((r = dshow_open_device(avctx, devenum, AudioDevice, VideoSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
ret = r;
goto error;
}
}
}
if (ctx->list_options) {

5
libavdevice/dshow_capture.h
Unescape View File

@ -65,6 +65,11 @@ enum dshowDeviceType {
AudioDevice = 1,
};
enum dshowSourceFilterType {
VideoSourceDevice = 0,
AudioSourceDevice = 1,
};
#define DECLARE_QUERYINTERFACE(class, ...) \
long WINAPI \
class##_QueryInterface(class *this, const GUID *riid, void **ppvObject) \

Write Preview
Loading…
Cancel
Save