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path: root/vpx_scale/generic/yv12config.c
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Diffstat (limited to 'vpx_scale/generic/yv12config.c')
-rw-r--r--vpx_scale/generic/yv12config.c75
1 files changed, 19 insertions, 56 deletions
diff --git a/vpx_scale/generic/yv12config.c b/vpx_scale/generic/yv12config.c
index 994e8430c..693125a0f 100644
--- a/vpx_scale/generic/yv12config.c
+++ b/vpx_scale/generic/yv12config.c
@@ -19,18 +19,10 @@
/****************************************************************************
*
****************************************************************************/
-
-#define yv12_align_addr(addr, align) \
- (void*)(((size_t)(addr) + ((align) - 1)) & (size_t)-(align))
-
int
vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
if (ybf) {
- // If libvpx is using external frame buffers then buffer_alloc_sz must
- // not be set.
- if (ybf->buffer_alloc_sz > 0) {
- vpx_free(ybf->buffer_alloc);
- }
+ vpx_free(ybf->buffer_alloc);
/* buffer_alloc isn't accessed by most functions. Rather y_buffer,
u_buffer and v_buffer point to buffer_alloc and are used. Clear out
@@ -116,9 +108,7 @@ int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
int vp9_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
if (ybf) {
- if (ybf->buffer_alloc_sz > 0) {
- vpx_free(ybf->buffer_alloc);
- }
+ vpx_free(ybf->buffer_alloc);
/* buffer_alloc isn't accessed by most functions. Rather y_buffer,
u_buffer and v_buffer point to buffer_alloc and are used. Clear out
@@ -133,10 +123,7 @@ int vp9_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
int width, int height,
- int ss_x, int ss_y, int border,
- vpx_codec_frame_buffer_t *ext_fb,
- vpx_realloc_frame_buffer_cb_fn_t cb,
- void *user_priv) {
+ int ss_x, int ss_y, int border) {
if (ybf) {
const int aligned_width = (width + 7) & ~7;
const int aligned_height = (height + 7) & ~7;
@@ -161,48 +148,25 @@ int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
#else
const int frame_size = yplane_size + 2 * uvplane_size;
#endif
+ if (frame_size > ybf->buffer_alloc_sz) {
+ // Allocation to hold larger frame, or first allocation.
+ if (ybf->buffer_alloc)
+ vpx_free(ybf->buffer_alloc);
+ ybf->buffer_alloc = vpx_memalign(32, frame_size);
+ if (!ybf->buffer_alloc)
+ return -1;
- if (ext_fb != NULL) {
- const int align_addr_extra_size = 31;
- const size_t external_frame_size = frame_size + align_addr_extra_size;
- if (external_frame_size > ext_fb->size) {
- // Allocation to hold larger frame, or first allocation.
- if (cb(user_priv, external_frame_size, ext_fb) < 0) {
- return -1;
- }
-
- if (ext_fb->data == NULL || ext_fb->size < external_frame_size) {
- return -1;
- }
-
- // This memset is needed for fixing valgrind error from C loop filter
- // due to access uninitialized memory in frame border. It could be
- // removed if border is totally removed.
- vpx_memset(ext_fb->data, 0, ext_fb->size);
-
- ybf->buffer_alloc = yv12_align_addr(ext_fb->data, 32);
- }
- } else {
- if (frame_size > ybf->buffer_alloc_sz) {
- // Allocation to hold larger frame, or first allocation.
- if (ybf->buffer_alloc)
- vpx_free(ybf->buffer_alloc);
- ybf->buffer_alloc = vpx_memalign(32, frame_size);
- if (!ybf->buffer_alloc)
- return -1;
-
- ybf->buffer_alloc_sz = frame_size;
-
- // This memset is needed for fixing valgrind error from C loop filter
- // due to access uninitialized memory in frame boarder. It could be
- // removed if border is totally removed.
- vpx_memset(ybf->buffer_alloc, 0, ybf->buffer_alloc_sz);
- }
+ ybf->buffer_alloc_sz = frame_size;
- if (ybf->buffer_alloc_sz < frame_size)
- return -1;
+ // This memset is needed for fixing valgrind error from C loop filter
+ // due to access uninitialized memory in frame boarder. It could be
+ // removed if border is totally removed.
+ vpx_memset(ybf->buffer_alloc, 0, ybf->buffer_alloc_sz);
}
+ if (ybf->buffer_alloc_sz < frame_size)
+ return -1;
+
/* Only support allocating buffers that have a border that's a multiple
* of 32. The border restriction is required to get 16-byte alignment of
* the start of the chroma rows without introducing an arbitrary gap
@@ -250,8 +214,7 @@ int vp9_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
int ss_x, int ss_y, int border) {
if (ybf) {
vp9_free_frame_buffer(ybf);
- return vp9_realloc_frame_buffer(ybf, width, height, ss_x, ss_y, border,
- NULL, NULL, NULL);
+ return vp9_realloc_frame_buffer(ybf, width, height, ss_x, ss_y, border);
}
return -2;
}