Mesa (master): radeon/uvd: add Define Restart Interval to MJPEG bitstream reconstruction

[Leo Liu]

Module: Mesa
Branch: master
Commit: 8514c5d0781e4e25669a2cd3bf8a547016b299a2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8514c5d0781e4e25669a2cd3bf8a547016b299a2

Author: Leo Liu <leo.liu at amd.com>
Date:   Fri Aug 25 13:17:41 2017 -0400

radeon/uvd: add Define Restart Interval to MJPEG bitstream reconstruction

It adds the capacity to decode MJPEG stream with DRI marker

Signed-off-by: Leo Liu <leo.liu at amd.com>

---

 src/gallium/drivers/radeon/radeon_uvd.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c
index 228f654af1..00d6267018 100644
--- a/src/gallium/drivers/radeon/radeon_uvd.c
+++ b/src/gallium/drivers/radeon/radeon_uvd.c
@@ -1012,6 +1012,17 @@ static void get_mjpeg_slice_header(struct ruvd_decoder *dec, struct pipe_mjpeg_p
 
 	saved_size = size;
 
+	/* DRI */
+	if (pic->slice_parameter.restart_interval) {
+		buf[size++] = 0xff;
+		buf[size++] = 0xdd;
+		buf[size++] = 0x00;
+		buf[size++] = 0x04;
+		bs = (uint16_t*)&buf[size++];
+		*bs = util_bswap16(pic->slice_parameter.restart_interval);
+		saved_size = ++size;
+	}
+
 	/* SOF */
 	buf[size++] = 0xff;
 	buf[size++] = 0xc0;