vpx/vpx_scale/yv12config.h
Henrik Lundin 67fb3a5155 Implement error tracking in the decoder
A new vpx_codec_control called VP8D_GET_FRAME_CORRUPTED. The output
from the function is non-zero if the last decoded frame contains
corruption due to packet losses.

The decoder is also modified to accept encoded frames of zero length.
A zero length frame indicates to the decoder that one or more frames
have been completely lost. This will mark the last decoded reference
buffer as corrupted. The data pointer can be NULL if the length is
zero.

Change-Id: Ic5902c785a281c6e05329deea958554b7a6c75ce
2011-01-19 09:53:21 +01:00

74 lines
1.7 KiB
C

/*
* Copyright (c) 2010 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.
*/
#ifndef YV12_CONFIG_H
#define YV12_CONFIG_H
#ifdef __cplusplus
extern "C"
{
#endif
#define VP7BORDERINPIXELS 48
#define VP8BORDERINPIXELS 32
/*************************************
For INT_YUV:
Y = (R+G*2+B)/4;
U = (R-B)/2;
V = (G*2 - R - B)/4;
And
R = Y+U-V;
G = Y+V;
B = Y-U-V;
************************************/
typedef enum
{
REG_YUV = 0, /* Regular yuv */
INT_YUV = 1 /* The type of yuv that can be tranfer to and from RGB through integer transform */
}
YUV_TYPE;
typedef struct
{
int y_width;
int y_height;
int y_stride;
/* int yinternal_width; */
int uv_width;
int uv_height;
int uv_stride;
/* int uvinternal_width; */
unsigned char *y_buffer;
unsigned char *u_buffer;
unsigned char *v_buffer;
unsigned char *buffer_alloc;
int border;
int frame_size;
YUV_TYPE clrtype;
int corrupted;
} YV12_BUFFER_CONFIG;
int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border);
int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
int vp8_yv12_black_frame_buffer(YV12_BUFFER_CONFIG *ybf);
#ifdef __cplusplus
}
#endif
#endif /*YV12_CONFIG_H*/