diff options
| author | Michael Benjamin <neuroptik@gmail.com> | 2006-09-15 11:17:41 +0000 |
|---|---|---|
| committer | Guillaume Poirier <gpoirier@mplayerhq.hu> | 2006-09-15 11:17:41 +0000 |
| commit | 1733fc4a6b62d7d0d4311699dec23bfeda025fe3 (patch) | |
| tree | d8c6a5e973af49476d8118d5ac2c6567eedb8f6e /libavformat/grab.c | |
| parent | 3c0ba8703cc8b3a6972aa2e6136e0ed391c4d194 (diff) | |
Add support for 8-bit grayscale to V4L grabber
patch by Michael Benjamin % neuroptik AH gmail.com %
Original thread:
Date: Aug 24, 2006 5:40 PM
Subject: [Ffmpeg-devel] V4L grab.c patch for Grayscale
Originally committed as revision 6259 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/grab.c')
| -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; } |