diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_scale/yv12config.h')
| -rw-r--r-- | media/libvpx/libvpx/vpx_scale/yv12config.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_scale/yv12config.h b/media/libvpx/libvpx/vpx_scale/yv12config.h new file mode 100644 index 0000000000..2cf18217f6 --- /dev/null +++ b/media/libvpx/libvpx/vpx_scale/yv12config.h @@ -0,0 +1,103 @@ +/* + * 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_VPX_SCALE_YV12CONFIG_H_ +#define VPX_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; + size_t buffer_alloc_sz; + int border; + size_t 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_VPX_SCALE_YV12CONFIG_H_ |