/* * 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.
*/
uint8_t *buffer_alloc;
size_t buffer_alloc_sz; int border;
size_t frame_size; int subsampling_x; int subsampling_y; unsignedint 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);
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.