generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add bits for colorspace, profile

Browse Source 
Adds 3 bits for colorspace (sent on keyframes), 2 bits for version.

Change-Id: Iaa0cf1dcdd085cebb46e2bc4a7c78cd33cf24325
This commit is contained in:
John Koleszar
2013-06-06 23:53:56 -07:00
parent a425e2cc06
commit e5b956f620
3 changed files with 45 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
vp9/encoder/vp9_bitstream.c
View File

@@ -1317,17 +1317,37 @@ void write_uncompressed_header(VP9_COMP *cpi,
const int scaling_active = cm->width != cm->display_width ||
cm->height != cm->display_height;
// frame marker bits
vp9_wb_write_bit(wb, 1);
vp9_wb_write_bit(wb, 0);
// bitstream version.
// 00 - profile 0. 4:2:0 only
// 10 - profile 1. adds 4:4:4, 4:2:2, alpha
vp9_wb_write_bit(wb, cm->version);
vp9_wb_write_bit(wb, 0);
vp9_wb_write_bit(wb, cm->frame_type);
vp9_wb_write_literal(wb, cm->version, 3);
vp9_wb_write_bit(wb, cm->show_frame);
vp9_wb_write_bit(wb, scaling_active);
vp9_wb_write_bit(wb, cm->subsampling_x);
vp9_wb_write_bit(wb, cm->subsampling_y);
vp9_wb_write_bit(wb, 0);
if (cm->frame_type == KEY_FRAME) {
vp9_wb_write_literal(wb, SYNC_CODE_0, 8);
vp9_wb_write_literal(wb, SYNC_CODE_1, 8);
vp9_wb_write_literal(wb, SYNC_CODE_2, 8);
// colorspaces
// 000 - Unknown
// 001 - BT.601
// 010 - BT.709
// 011 - xvYCC
// 1xx - Reserved
vp9_wb_write_literal(wb, 0, 3);
if (cm->version == 1) {
vp9_wb_write_bit(wb, cm->subsampling_x);
vp9_wb_write_bit(wb, cm->subsampling_y);
vp9_wb_write_bit(wb, 0); // has extra plane
}
}
if (scaling_active) {