diff options
| -rw-r--r-- | libavformat/grab.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libavformat/grab.c b/libavformat/grab.c index 5b3c49a080..15c1c5d188 100644 --- a/libavformat/grab.c +++ b/libavformat/grab.c @@ -173,7 +173,11 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) pict.depth=24; ret = ioctl(video_fd, VIDIOCSPICT, &pict); if (ret < 0) - goto fail1; + pict.palette=VIDEO_PALETTE_GREY; + pict.depth=8; + ret = ioctl(video_fd, VIDIOCSPICT, &pict); + if (ret < 0) + goto fail1; } } } @@ -256,6 +260,10 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) frame_size = width * height * 3; st->codec->pix_fmt = PIX_FMT_BGR24; /* NOTE: v4l uses BGR24, not RGB24 ! */ break; + case VIDEO_PALETTE_GREY: + frame_size = width * height * 1; + st->codec->pix_fmt = PIX_FMT_GRAY8; + break; default: goto fail; } |