Merge commit '7941159df6aad2d219e2a7184489be7a735dd944'

[ffmpeg] / libavdevice / dshow.c

diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index 3bd90b0c6fe6da782fd66198eb071eab4f961b73..9485af6586ae1ea74b52f9e248f11fbf9c8e1956 100644 (file)
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -929,20 +929,18 @@ static int dshow_read_header(AVFormatContext *avctx)
     }
 
     if (ctx->device_name[VideoDevice]) {
-        ret = dshow_open_device(avctx, devenum, VideoDevice);
-        if (ret < 0)
-            goto error;
-        ret = dshow_add_device(avctx, VideoDevice);
-        if (ret < 0)
+        if ((r = dshow_open_device(avctx, devenum, VideoDevice)) < 0 ||
+            (r = dshow_add_device(avctx, VideoDevice)) < 0) {
+            ret = r;
             goto error;
+        }
     }
     if (ctx->device_name[AudioDevice]) {
-        ret = dshow_open_device(avctx, devenum, AudioDevice);
-        if (ret < 0)
-            goto error;
-        ret = dshow_add_device(avctx, AudioDevice);
-        if (ret < 0)
+        if ((r = dshow_open_device(avctx, devenum, AudioDevice)) < 0 ||
+            (r = dshow_add_device(avctx, AudioDevice)) < 0) {
+            ret = r;
             goto error;
+        }
     }
 
     ctx->mutex = CreateMutex(NULL, 0, NULL);
@@ -1018,7 +1016,7 @@ static int dshow_read_packet(AVFormatContext *s, AVPacket *pkt)
 #define DEC AV_OPT_FLAG_DECODING_PARAM
 static const AVOption options[] = {
     { "video_size", "set video size given a string such as 640x480 or hd720.", OFFSET(requested_width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, DEC },
-    { "pixel_format", "set video pixel format", OFFSET(pixel_format), AV_OPT_TYPE_PIXEL_FMT, {.str = NULL}, 0, 0, DEC },
+    { "pixel_format", "set video pixel format", OFFSET(pixel_format), AV_OPT_TYPE_PIXEL_FMT, {.i64 = AV_PIX_FMT_NONE}, -1, AV_PIX_FMT_NB-1, DEC },
     { "framerate", "set video frame rate", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
     { "sample_rate", "set audio sample rate", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, DEC },
     { "sample_size", "set audio sample size", OFFSET(sample_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 16, DEC },