diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_scale/yv12config.h | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/third_party/aom/aom_scale/yv12config.h b/third_party/aom/aom_scale/yv12config.h index f192a3032e..bc05de2102 100644 --- a/third_party/aom/aom_scale/yv12config.h +++ b/third_party/aom/aom_scale/yv12config.h @@ -16,6 +16,8 @@ extern "C" { #endif +#include <stdbool.h> + #include "config/aom_config.h" #include "aom/aom_codec.h" @@ -45,18 +47,29 @@ typedef struct yv12_buffer_config { /*!\cond */ union { struct { + // The aligned frame width of luma. + // It is aligned to a multiple of 8: + // y_width = (y_crop_width + 7) & ~7 int y_width; + // The aligned frame width of chroma. + // uv_width = y_width >> subsampling_x int uv_width; }; int widths[2]; }; union { struct { + // The aligned frame height of luma. + // It is aligned to a multiple of 8: + // y_height = (y_crop_height + 7) & ~7 int y_height; + // The aligned frame height of chroma. + // uv_height = y_height >> subsampling_y int uv_height; }; int heights[2]; }; + // The frame size en/decoded by AV1 union { struct { int y_crop_width; @@ -139,7 +152,7 @@ typedef struct yv12_buffer_config { // available return values. int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int ss_x, int ss_y, int use_highbitdepth, int border, - int byte_alignment, int num_pyramid_levels, + int byte_alignment, bool alloc_pyramid, int alloc_y_plane_only); // Updates the yv12 buffer config with the frame buffer. |byte_alignment| must @@ -149,15 +162,11 @@ int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, // to decode the current frame. If cb is NULL, libaom will allocate memory // internally to decode the current frame. // -// If num_pyramid_levels > 0, then an image pyramid will be allocated with -// the specified number of levels. -// -// Any buffer which may become a source or ref frame buffer in the encoder -// must have num_pyramid_levels = cpi->image_pyramid_levels. This will cause -// an image pyramid to be allocated if one is needed. -// -// Any other buffers (in particular, any buffers inside the decoder) -// must have cpi->image_pyramid_levels = 0, as a pyramid is unneeded there. +// If alloc_pyramid is true, then an image pyramid will be allocated +// for use in global motion estimation. This is only needed if this frame +// buffer will be used to store a source frame or a reference frame in +// the encoder. Any other framebuffers (eg, intermediates for filtering, +// or any buffer in the decoder) can set alloc_pyramid = false. // // Returns 0 on success. Returns < 0 on failure. int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, @@ -165,7 +174,7 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border, int byte_alignment, aom_codec_frame_buffer_t *fb, aom_get_frame_buffer_cb_fn_t cb, void *cb_priv, - int num_pyramid_levels, int alloc_y_plane_only); + bool alloc_pyramid, int alloc_y_plane_only); int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf); |