26                        const WebPPicture* const picture) {  in DummyWriter()  argument
30   (void)picture;  in DummyWriter()
34 int WebPPictureInitInternal(WebPPicture* picture, int version) {  in WebPPictureInitInternal()  argument
38   if (picture != NULL) {  in WebPPictureInitInternal()
39     memset(picture, 0, sizeof(*picture));  in WebPPictureInitInternal()
40     picture->writer = DummyWriter;  in WebPPictureInitInternal()
41     WebPEncodingSetError(picture, VP8_ENC_OK);  in WebPPictureInitInternal()
48 static void WebPPictureResetBufferARGB(WebPPicture* const picture) {  in WebPPictureResetBufferARGB()  argument
49   picture->memory_argb_ = NULL;  in WebPPictureResetBufferARGB()
50   picture->argb = NULL;  in WebPPictureResetBufferARGB()
51   picture->argb_stride = 0;  in WebPPictureResetBufferARGB()
54 static void WebPPictureResetBufferYUVA(WebPPicture* const picture) {  in WebPPictureResetBufferYUVA()  argument
55   picture->memory_ = NULL;  in WebPPictureResetBufferYUVA()
56   picture->y = picture->u = picture->v = picture->a = NULL;  in WebPPictureResetBufferYUVA()
57   picture->y_stride = picture->uv_stride = 0;  in WebPPictureResetBufferYUVA()
58   picture->a_stride = 0;  in WebPPictureResetBufferYUVA()
61 void WebPPictureResetBuffers(WebPPicture* const picture) {  in WebPPictureResetBuffers()  argument
62   WebPPictureResetBufferARGB(picture);  in WebPPictureResetBuffers()
63   WebPPictureResetBufferYUVA(picture);  in WebPPictureResetBuffers()
66 int WebPPictureAllocARGB(WebPPicture* const picture, int width, int height) {  in WebPPictureAllocARGB()  argument
70   assert(picture != NULL);  in WebPPictureAllocARGB()
72   WebPSafeFree(picture->memory_argb_);  in WebPPictureAllocARGB()
73   WebPPictureResetBufferARGB(picture);  in WebPPictureAllocARGB()
76     return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION);  in WebPPictureAllocARGB()
79   memory = WebPSafeMalloc(argb_size, sizeof(*picture->argb));  in WebPPictureAllocARGB()
81     return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);  in WebPPictureAllocARGB()
84   picture->memory_argb_ = memory;  in WebPPictureAllocARGB()
85   picture->argb = (uint32_t*)memory;  in WebPPictureAllocARGB()
86   picture->argb_stride = width;  in WebPPictureAllocARGB()
90 int WebPPictureAllocYUVA(WebPPicture* const picture, int width, int height) {  in WebPPictureAllocYUVA()  argument
92       (WebPEncCSP)((int)picture->colorspace & WEBP_CSP_UV_MASK);  in WebPPictureAllocYUVA()
93   const int has_alpha = (int)picture->colorspace & WEBP_CSP_ALPHA_BIT;  in WebPPictureAllocYUVA()
102   assert(picture != NULL);  in WebPPictureAllocYUVA()
104   WebPSafeFree(picture->memory_);  in WebPPictureAllocYUVA()
105   WebPPictureResetBufferYUVA(picture);  in WebPPictureAllocYUVA()
108     return WebPEncodingSetError(picture, VP8_ENC_ERROR_INVALID_CONFIGURATION);  in WebPPictureAllocYUVA()
123     return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION);  in WebPPictureAllocYUVA()
128     return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);  in WebPPictureAllocYUVA()
132   picture->memory_ = (void*)mem;  in WebPPictureAllocYUVA()
133   picture->y_stride  = y_stride;  in WebPPictureAllocYUVA()
134   picture->uv_stride = uv_stride;  in WebPPictureAllocYUVA()
135   picture->a_stride  = a_stride;  in WebPPictureAllocYUVA()
138   picture->y = mem;  in WebPPictureAllocYUVA()
141   picture->u = mem;  in WebPPictureAllocYUVA()
143   picture->v = mem;  in WebPPictureAllocYUVA()
147     picture->a = mem;  in WebPPictureAllocYUVA()
154 int WebPPictureAlloc(WebPPicture* picture) {  in WebPPictureAlloc()  argument
155   if (picture != NULL) {  in WebPPictureAlloc()
156     const int width = picture->width;  in WebPPictureAlloc()
157     const int height = picture->height;  in WebPPictureAlloc()
159     WebPPictureFree(picture);   // erase previous buffer  in WebPPictureAlloc()
161     if (!picture->use_argb) {  in WebPPictureAlloc()
162       return WebPPictureAllocYUVA(picture, width, height);  in WebPPictureAlloc()
164       return WebPPictureAllocARGB(picture, width, height);  in WebPPictureAlloc()
170 void WebPPictureFree(WebPPicture* picture) {  in WebPPictureFree()  argument
171   if (picture != NULL) {  in WebPPictureFree()
172     WebPSafeFree(picture->memory_);  in WebPPictureFree()
173     WebPSafeFree(picture->memory_argb_);  in WebPPictureFree()
174     WebPPictureResetBuffers(picture);  in WebPPictureFree()
188                     const WebPPicture* picture) {  in WebPMemoryWrite()  argument
189   WebPMemoryWriter* const w = (WebPMemoryWriter*)picture->custom_ptr;  in WebPMemoryWrite()