X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavdevice%2Fdshow.c;h=a5263df90b9886910e079513227725b108a419ec;hb=2f9b955918f8efd9915dbd51bfe8be657cb337e3;hp=6a77f4b43a1f240db4d50214237d11c5eed4a59e;hpb=2b0cdb7364fbe1e8a7e97d36ba36dc67fb24095e;p=ffmpeg

diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index 6a77f4b43a1..a5263df90b9 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -31,6 +31,8 @@ struct dshow_ctx {
     IGraphBuilder *graph;
 
     char *device_name[2];
+    int video_device_number;
+    int audio_device_number;
 
     int   list_options;
     int   list_devices;
@@ -249,6 +251,8 @@ dshow_cycle_devices(AVFormatContext *avctx, ICreateDevEnum *devenum,
     IEnumMoniker *classenum = NULL;
     IMoniker *m = NULL;
     const char *device_name = ctx->device_name[devtype];
+    int skip = (devtype == VideoDevice) ? ctx->video_device_number
+                                        : ctx->audio_device_number;
     int r;
 
     const GUID *device_guid[2] = { &CLSID_VideoInputDeviceCategory,
@@ -283,6 +287,7 @@ dshow_cycle_devices(AVFormatContext *avctx, ICreateDevEnum *devenum,
             if (strcmp(device_name, buf))
                 goto fail1;
 
+            if (!skip--)
             IMoniker_BindToObject(m, 0, 0, &IID_IBaseFilter, (void *) &device_filter);
         } else {
             av_log(avctx, AV_LOG_INFO, " \"%s\"\n", buf);
@@ -659,11 +664,12 @@ dshow_add_device(AVFormatContext *avctx, AVFormatParameters *ap,
     AVStream *st;
     int ret = AVERROR(EIO);
 
-    st = av_new_stream(avctx, devtype);
+    st = avformat_new_stream(avctx, NULL);
     if (!st) {
         ret = AVERROR(ENOMEM);
         goto error;
     }
+    st->id = devtype;
 
     ctx->capture_filter[devtype]->stream_index = st->index;
 
@@ -937,6 +943,8 @@ static const AVOption options[] = {
     { "list_options", "list available options for specified device", OFFSET(list_options), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1, DEC, "list_options" },
     { "true", "", 0, AV_OPT_TYPE_CONST, {.dbl=1}, 0, 0, DEC, "list_options" },
     { "false", "", 0, AV_OPT_TYPE_CONST, {.dbl=0}, 0, 0, DEC, "list_options" },
+    { "video_device_number", "set video device number for devices with same name (starts at 0)", OFFSET(video_device_number), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, DEC },
+    { "audio_device_number", "set audio device number for devices with same name (starts at 0)", OFFSET(audio_device_number), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, DEC },
     { NULL },
 };