target/linux/brcm2708/patches-3.10/0142-V4L2-Enable-MJPEG-encoding.patch

   1 From 9878725ea0cedbc79d962e0ac041acdc1135d79c Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dsteve@broadcom.com>
   3 Date: Mon, 23 Dec 2013 15:42:21 +0000
   4 Subject: [PATCH 142/174] V4L2: Enable MJPEG encoding
   5
   6 Requires GPU firmware update to support MJPEG encoder.
   7
   8 Signed-off-by: Dave Stevenson <dsteve@broadcom.com>
   9 ---
  10  drivers/media/platform/bcm2835/bcm2835-camera.c | 7 +++++++
  11  drivers/media/platform/bcm2835/mmal-encodings.h | 1 +
  12  2 files changed, 8 insertions(+)
  13
  14 --- a/drivers/media/platform/bcm2835/bcm2835-camera.c
  15 +++ b/drivers/media/platform/bcm2835/bcm2835-camera.c
  16 @@ -100,6 +100,13 @@ static struct mmal_fmt formats[] = {
  17          .mmal = MMAL_ENCODING_H264,
  18          .depth = 8,
  19          .mmal_component = MMAL_COMPONENT_VIDEO_ENCODE,
  20 +        },
  21 +       {
  22 +        .name = "MJPEG",
  23 +        .fourcc = V4L2_PIX_FMT_MJPEG,
  24 +        .mmal = MMAL_ENCODING_MJPEG,
  25 +        .depth = 8,
  26 +        .mmal_component = MMAL_COMPONENT_VIDEO_ENCODE,
  27          }
  28  };
  29
  30 --- a/drivers/media/platform/bcm2835/mmal-encodings.h
  31 +++ b/drivers/media/platform/bcm2835/mmal-encodings.h
  32 @@ -27,6 +27,7 @@
  33  #define MMAL_ENCODING_VP6              MMAL_FOURCC('V', 'P', '6', ' ')
  34  #define MMAL_ENCODING_THEORA           MMAL_FOURCC('T', 'H', 'E', 'O')
  35  #define MMAL_ENCODING_SPARK            MMAL_FOURCC('S', 'P', 'R', 'K')
  36 +#define MMAL_ENCODING_MJPEG            MMAL_FOURCC('M', 'J', 'P', 'G')
  37
  38  #define MMAL_ENCODING_JPEG             MMAL_FOURCC('J', 'P', 'E', 'G')
  39  #define MMAL_ENCODING_GIF              MMAL_FOURCC('G', 'I', 'F', ' ')