ref: 534e9af53be7624c2b6df9462e6f791c0e7bb0d7
dir: /vpx_scale/yv12config.h/
/* * 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 VPX_SCALE_YV12CONFIG_H_ #define VPX_SCALE_YV12CONFIG_H_ #ifdef __cplusplus extern "C" { #endif #include "./vpx_config.h" #include "vpx/vpx_codec.h" #include "vpx/vpx_frame_buffer.h" #include "vpx/vpx_integer.h" #define VP8BORDERINPIXELS 32 #define VP9INNERBORDERINPIXELS 96 #define VP9_INTERP_EXTEND 4 #define VP9_ENC_BORDER_IN_PIXELS 160 #define VP9_DEC_BORDER_IN_PIXELS 32 typedef struct yv12_buffer_config { int y_width; int y_height; int y_crop_width; int y_crop_height; int y_stride; int uv_width; int uv_height; int uv_crop_width; int uv_crop_height; int uv_stride; int alpha_width; int alpha_height; int alpha_stride; uint8_t *y_buffer; uint8_t *u_buffer; uint8_t *v_buffer; uint8_t *alpha_buffer; uint8_t *buffer_alloc; int buffer_alloc_sz; int border; int frame_size; int subsampling_x; int subsampling_y; unsigned int bit_depth; vpx_color_space_t color_space; vpx_color_range_t color_range; int render_width; int render_height; int corrupted; int flags; } YV12_BUFFER_CONFIG; #define YV12_FLAG_HIGHBITDEPTH 8 int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border); int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border); int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf); int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int ss_x, int ss_y, #if CONFIG_VP9_HIGHBITDEPTH int use_highbitdepth, #endif int border, int byte_alignment); // Updates the yv12 buffer config with the frame buffer. |byte_alignment| must // be a power of 2, from 32 to 1024. 0 sets legacy alignment. If cb is not // NULL, then libvpx is using the frame buffer callbacks to handle memory. // If cb is not NULL, libvpx will call cb with minimum size in bytes needed // to decode the current frame. If cb is NULL, libvpx will allocate memory // internally to decode the current frame. Returns 0 on success. Returns < 0 // on failure. int vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int ss_x, int ss_y, #if CONFIG_VP9_HIGHBITDEPTH int use_highbitdepth, #endif int border, int byte_alignment, vpx_codec_frame_buffer_t *fb, vpx_get_frame_buffer_cb_fn_t cb, void *cb_priv); int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf); #ifdef __cplusplus } #endif #endif // VPX_SCALE_YV12CONFIG_H_