Files
vpx/y4menc.c
Peter de Rivaz 1ff621ec99 Added support for 10/12bit y4m
vpxenc now accepts high bitdepth y4m files
vpxdec now produces high bitdepth y4m files
(Only if the bitstream is high bitdepth)
Can force 8bit output via --covert-to-8bit

Change-Id: Ife9fc40772aceed32ba47d7ca81024ed09563721
2014-06-03 17:46:06 +01:00

43 lines
1.5 KiB
C

/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "./y4menc.h"
int y4m_write_file_header(char *buf, size_t len, int width, int height,
const struct VpxRational *framerate,
vpx_img_fmt_t fmt, vpx_bit_depth_t bit_depth) {
char *color;
switch (bit_depth) {
default:
color = fmt == VPX_IMG_FMT_444A ? "C444alpha\n" :
fmt == VPX_IMG_FMT_I444 ? "C444\n" :
fmt == VPX_IMG_FMT_I422 ? "C422\n" :
"C420jpeg\n";
break;
case VPX_BITS_10:
color = fmt == VPX_IMG_FMT_I44416 ? "C444p10 XYSCSS=444P10\n" :
fmt == VPX_IMG_FMT_I42216 ? "C422p10 XYSCSS=422P10\n" :
"C420p10 XYSCSS=420P10\n";
break;
case VPX_BITS_12:
color = fmt == VPX_IMG_FMT_I44416 ? "C444p12 XYSCSS=444P12\n" :
fmt == VPX_IMG_FMT_I42216 ? "C422p12 XYSCSS=422P12\n" :
"C420p12 XYSCSS=420P12\n";
break;
}
return snprintf(buf, len, "YUV4MPEG2 W%u H%u F%u:%u I%c %s", width, height,
framerate->numerator, framerate->denominator, 'p', color);
}
int y4m_write_frame_header(char *buf, size_t len) {
return snprintf(buf, len, "FRAME\n");
}