diff options
Diffstat (limited to 'media/libwebp/webp')
| -rw-r--r-- | media/libwebp/webp/decode.h | 87 | ||||
| -rw-r--r-- | media/libwebp/webp/demux.h | 67 | ||||
| -rw-r--r-- | media/libwebp/webp/encode.h | 131 | ||||
| -rw-r--r-- | media/libwebp/webp/mux.h | 60 | ||||
| -rw-r--r-- | media/libwebp/webp/types.h | 4 |
5 files changed, 179 insertions, 170 deletions
diff --git a/media/libwebp/webp/decode.h b/media/libwebp/webp/decode.h index 4c5e74ac3..2165e96c9 100644 --- a/media/libwebp/webp/decode.h +++ b/media/libwebp/webp/decode.h @@ -36,39 +36,39 @@ typedef struct WebPDecoderConfig WebPDecoderConfig; // Return the decoder's version number, packed in hexadecimal using 8bits for // each of major/minor/revision. E.g: v2.5.7 is 0x020507. -WEBP_EXTERN(int) WebPGetDecoderVersion(void); +WEBP_EXTERN int WebPGetDecoderVersion(void); // Retrieve basic header information: width, height. // This function will also validate the header, returning true on success, // false otherwise. '*width' and '*height' are only valid on successful return. // Pointers 'width' and 'height' can be passed NULL if deemed irrelevant. -WEBP_EXTERN(int) WebPGetInfo(const uint8_t* data, size_t data_size, - int* width, int* height); +WEBP_EXTERN int WebPGetInfo(const uint8_t* data, size_t data_size, + int* width, int* height); // Decodes WebP images pointed to by 'data' and returns RGBA samples, along // with the dimensions in *width and *height. The ordering of samples in // memory is R, G, B, A, R, G, B, A... in scan order (endian-independent). // The returned pointer should be deleted calling WebPFree(). // Returns NULL in case of error. -WEBP_EXTERN(uint8_t*) WebPDecodeRGBA(const uint8_t* data, size_t data_size, - int* width, int* height); +WEBP_EXTERN uint8_t* WebPDecodeRGBA(const uint8_t* data, size_t data_size, + int* width, int* height); // Same as WebPDecodeRGBA, but returning A, R, G, B, A, R, G, B... ordered data. -WEBP_EXTERN(uint8_t*) WebPDecodeARGB(const uint8_t* data, size_t data_size, - int* width, int* height); +WEBP_EXTERN uint8_t* WebPDecodeARGB(const uint8_t* data, size_t data_size, + int* width, int* height); // Same as WebPDecodeRGBA, but returning B, G, R, A, B, G, R, A... ordered data. -WEBP_EXTERN(uint8_t*) WebPDecodeBGRA(const uint8_t* data, size_t data_size, - int* width, int* height); +WEBP_EXTERN uint8_t* WebPDecodeBGRA(const uint8_t* data, size_t data_size, + int* width, int* height); // Same as WebPDecodeRGBA, but returning R, G, B, R, G, B... ordered data. // If the bitstream contains transparency, it is ignored. -WEBP_EXTERN(uint8_t*) WebPDecodeRGB(const uint8_t* data, size_t data_size, - int* width, int* height); +WEBP_EXTERN uint8_t* WebPDecodeRGB(const uint8_t* data, size_t data_size, + int* width, int* height); // Same as WebPDecodeRGB, but returning B, G, R, B, G, R... ordered data. -WEBP_EXTERN(uint8_t*) WebPDecodeBGR(const uint8_t* data, size_t data_size, - int* width, int* height); +WEBP_EXTERN uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size, + int* width, int* height); // Decode WebP images pointed to by 'data' to Y'UV format(*). The pointer @@ -80,13 +80,13 @@ WEBP_EXTERN(uint8_t*) WebPDecodeBGR(const uint8_t* data, size_t data_size, // have a common stride returned as '*uv_stride'. // Return NULL in case of error. // (*) Also named Y'CbCr. See: http://en.wikipedia.org/wiki/YCbCr -WEBP_EXTERN(uint8_t*) WebPDecodeYUV(const uint8_t* data, size_t data_size, - int* width, int* height, - uint8_t** u, uint8_t** v, - int* stride, int* uv_stride); +WEBP_EXTERN uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size, + int* width, int* height, + uint8_t** u, uint8_t** v, + int* stride, int* uv_stride); // Releases memory returned by the WebPDecode*() functions above. -WEBP_EXTERN(void) WebPFree(void* ptr); +WEBP_EXTERN void WebPFree(void* ptr); // These five functions are variants of the above ones, that decode the image // directly into a pre-allocated buffer 'output_buffer'. The maximum storage @@ -96,22 +96,22 @@ WEBP_EXTERN(void) WebPFree(void* ptr); // The parameter 'output_stride' specifies the distance (in bytes) // between scanlines. Hence, output_buffer_size is expected to be at least // output_stride x picture-height. -WEBP_EXTERN(uint8_t*) WebPDecodeRGBAInto( +WEBP_EXTERN uint8_t* WebPDecodeRGBAInto( const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride); -WEBP_EXTERN(uint8_t*) WebPDecodeARGBInto( +WEBP_EXTERN uint8_t* WebPDecodeARGBInto( const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride); -WEBP_EXTERN(uint8_t*) WebPDecodeBGRAInto( +WEBP_EXTERN uint8_t* WebPDecodeBGRAInto( const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride); // RGB and BGR variants. Here too the transparency information, if present, // will be dropped and ignored. -WEBP_EXTERN(uint8_t*) WebPDecodeRGBInto( +WEBP_EXTERN uint8_t* WebPDecodeRGBInto( const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride); -WEBP_EXTERN(uint8_t*) WebPDecodeBGRInto( +WEBP_EXTERN uint8_t* WebPDecodeBGRInto( const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride); @@ -122,7 +122,7 @@ WEBP_EXTERN(uint8_t*) WebPDecodeBGRInto( // 'u_size' and 'v_size' respectively. // Pointer to the luma plane ('*luma') is returned or NULL if an error occurred // during decoding (or because some buffers were found to be too small). -WEBP_EXTERN(uint8_t*) WebPDecodeYUVInto( +WEBP_EXTERN uint8_t* WebPDecodeYUVInto( const uint8_t* data, size_t data_size, uint8_t* luma, size_t luma_size, int luma_stride, uint8_t* u, size_t u_size, int u_stride, @@ -213,7 +213,7 @@ struct WebPDecBuffer { }; // Internal, version-checked, entry point -WEBP_EXTERN(int) WebPInitDecBufferInternal(WebPDecBuffer*, int); +WEBP_EXTERN int WebPInitDecBufferInternal(WebPDecBuffer*, int); // Initialize the structure as empty. Must be called before any other use. // Returns false in case of version mismatch @@ -223,7 +223,7 @@ static WEBP_INLINE int WebPInitDecBuffer(WebPDecBuffer* buffer) { // Free any memory associated with the buffer. Must always be called last. // Note: doesn't free the 'buffer' structure itself. -WEBP_EXTERN(void) WebPFreeDecBuffer(WebPDecBuffer* buffer); +WEBP_EXTERN void WebPFreeDecBuffer(WebPDecBuffer* buffer); //------------------------------------------------------------------------------ // Enumeration of the status codes @@ -277,7 +277,7 @@ typedef enum VP8StatusCode { // within valid bounds. // All other fields of WebPDecBuffer MUST remain constant between calls. // Returns NULL if the allocation failed. -WEBP_EXTERN(WebPIDecoder*) WebPINewDecoder(WebPDecBuffer* output_buffer); +WEBP_EXTERN WebPIDecoder* WebPINewDecoder(WebPDecBuffer* output_buffer); // This function allocates and initializes an incremental-decoder object, which // will output the RGB/A samples specified by 'csp' into a preallocated @@ -289,7 +289,7 @@ WEBP_EXTERN(WebPIDecoder*) WebPINewDecoder(WebPDecBuffer* output_buffer); // colorspace 'csp' is taken into account for allocating this buffer. All other // parameters are ignored. // Returns NULL if the allocation failed, or if some parameters are invalid. -WEBP_EXTERN(WebPIDecoder*) WebPINewRGB( +WEBP_EXTERN WebPIDecoder* WebPINewRGB( WEBP_CSP_MODE csp, uint8_t* output_buffer, size_t output_buffer_size, int output_stride); @@ -304,7 +304,7 @@ WEBP_EXTERN(WebPIDecoder*) WebPINewRGB( // In this case, the output buffer will be automatically allocated (using // MODE_YUVA) when decoding starts. All parameters are then ignored. // Returns NULL if the allocation failed or if a parameter is invalid. -WEBP_EXTERN(WebPIDecoder*) WebPINewYUVA( +WEBP_EXTERN WebPIDecoder* WebPINewYUVA( uint8_t* luma, size_t luma_size, int luma_stride, uint8_t* u, size_t u_size, int u_stride, uint8_t* v, size_t v_size, int v_stride, @@ -312,19 +312,19 @@ WEBP_EXTERN(WebPIDecoder*) WebPINewYUVA( // Deprecated version of the above, without the alpha plane. // Kept for backward compatibility. -WEBP_EXTERN(WebPIDecoder*) WebPINewYUV( +WEBP_EXTERN WebPIDecoder* WebPINewYUV( uint8_t* luma, size_t luma_size, int luma_stride, uint8_t* u, size_t u_size, int u_stride, uint8_t* v, size_t v_size, int v_stride); // Deletes the WebPIDecoder object and associated memory. Must always be called // if WebPINewDecoder, WebPINewRGB or WebPINewYUV succeeded. -WEBP_EXTERN(void) WebPIDelete(WebPIDecoder* idec); +WEBP_EXTERN void WebPIDelete(WebPIDecoder* idec); // Copies and decodes the next available data. Returns VP8_STATUS_OK when // the image is successfully decoded. Returns VP8_STATUS_SUSPENDED when more // data is expected. Returns error in other cases. -WEBP_EXTERN(VP8StatusCode) WebPIAppend( +WEBP_EXTERN VP8StatusCode WebPIAppend( WebPIDecoder* idec, const uint8_t* data, size_t data_size); // A variant of the above function to be used when data buffer contains @@ -332,7 +332,7 @@ WEBP_EXTERN(VP8StatusCode) WebPIAppend( // to the internal memory. // Note that the value of the 'data' pointer can change between calls to // WebPIUpdate, for instance when the data buffer is resized to fit larger data. -WEBP_EXTERN(VP8StatusCode) WebPIUpdate( +WEBP_EXTERN VP8StatusCode WebPIUpdate( WebPIDecoder* idec, const uint8_t* data, size_t data_size); // Returns the RGB/A image decoded so far. Returns NULL if output params @@ -340,15 +340,16 @@ WEBP_EXTERN(VP8StatusCode) WebPIUpdate( // specified during call to WebPINewDecoder() or WebPINewRGB(). // *last_y is the index of last decoded row in raster scan order. Some pointers // (*last_y, *width etc.) can be NULL if corresponding information is not -// needed. -WEBP_EXTERN(uint8_t*) WebPIDecGetRGB( +// needed. The values in these pointers are only valid on successful (non-NULL) +// return. +WEBP_EXTERN uint8_t* WebPIDecGetRGB( const WebPIDecoder* idec, int* last_y, int* width, int* height, int* stride); // Same as above function to get a YUVA image. Returns pointer to the luma // plane or NULL in case of error. If there is no alpha information // the alpha pointer '*a' will be returned NULL. -WEBP_EXTERN(uint8_t*) WebPIDecGetYUVA( +WEBP_EXTERN uint8_t* WebPIDecGetYUVA( const WebPIDecoder* idec, int* last_y, uint8_t** u, uint8_t** v, uint8_t** a, int* width, int* height, int* stride, int* uv_stride, int* a_stride); @@ -368,7 +369,7 @@ static WEBP_INLINE uint8_t* WebPIDecGetYUV( // Returns NULL in case the incremental decoder object is in an invalid state. // Otherwise returns the pointer to the internal representation. This structure // is read-only, tied to WebPIDecoder's lifespan and should not be modified. -WEBP_EXTERN(const WebPDecBuffer*) WebPIDecodedArea( +WEBP_EXTERN const WebPDecBuffer* WebPIDecodedArea( const WebPIDecoder* idec, int* left, int* top, int* width, int* height); //------------------------------------------------------------------------------ @@ -416,7 +417,7 @@ struct WebPBitstreamFeatures { }; // Internal, version-checked, entry point -WEBP_EXTERN(VP8StatusCode) WebPGetFeaturesInternal( +WEBP_EXTERN VP8StatusCode WebPGetFeaturesInternal( const uint8_t*, size_t, WebPBitstreamFeatures*, int); // Retrieve features from the bitstream. The *features structure is filled @@ -457,7 +458,7 @@ struct WebPDecoderConfig { }; // Internal, version-checked, entry point -WEBP_EXTERN(int) WebPInitDecoderConfigInternal(WebPDecoderConfig*, int); +WEBP_EXTERN int WebPInitDecoderConfigInternal(WebPDecoderConfig*, int); // Initialize the configuration as empty. This function must always be // called first, unless WebPGetFeatures() is to be called. @@ -477,14 +478,14 @@ static WEBP_INLINE int WebPInitDecoderConfig(WebPDecoderConfig* config) { // The return WebPIDecoder object must always be deleted calling WebPIDelete(). // Returns NULL in case of error (and config->status will then reflect // the error condition, if available). -WEBP_EXTERN(WebPIDecoder*) WebPIDecode(const uint8_t* data, size_t data_size, - WebPDecoderConfig* config); +WEBP_EXTERN WebPIDecoder* WebPIDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config); // Non-incremental version. This version decodes the full data at once, taking // 'config' into account. Returns decoding status (which should be VP8_STATUS_OK // if the decoding was successful). Note that 'config' cannot be NULL. -WEBP_EXTERN(VP8StatusCode) WebPDecode(const uint8_t* data, size_t data_size, - WebPDecoderConfig* config); +WEBP_EXTERN VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config); #ifdef __cplusplus } // extern "C" diff --git a/media/libwebp/webp/demux.h b/media/libwebp/webp/demux.h index 454f6914b..555d64133 100644 --- a/media/libwebp/webp/demux.h +++ b/media/libwebp/webp/demux.h @@ -71,7 +71,7 @@ typedef struct WebPAnimDecoderOptions WebPAnimDecoderOptions; // Returns the version number of the demux library, packed in hexadecimal using // 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. -WEBP_EXTERN(int) WebPGetDemuxVersion(void); +WEBP_EXTERN int WebPGetDemuxVersion(void); //------------------------------------------------------------------------------ // Life of a Demux object @@ -85,7 +85,7 @@ typedef enum WebPDemuxState { } WebPDemuxState; // Internal, version-checked, entry point -WEBP_EXTERN(WebPDemuxer*) WebPDemuxInternal( +WEBP_EXTERN WebPDemuxer* WebPDemuxInternal( const WebPData*, int, WebPDemuxState*, int); // Parses the full WebP file given by 'data'. For single images the WebP file @@ -109,27 +109,32 @@ static WEBP_INLINE WebPDemuxer* WebPDemuxPartial( } // Frees memory associated with 'dmux'. -WEBP_EXTERN(void) WebPDemuxDelete(WebPDemuxer* dmux); +WEBP_EXTERN void WebPDemuxDelete(WebPDemuxer* dmux); //------------------------------------------------------------------------------ // Data/information extraction. typedef enum WebPFormatFeature { - WEBP_FF_FORMAT_FLAGS, // Extended format flags present in the 'VP8X' chunk. + WEBP_FF_FORMAT_FLAGS, // bit-wise combination of WebPFeatureFlags + // corresponding to the 'VP8X' chunk (if present). WEBP_FF_CANVAS_WIDTH, WEBP_FF_CANVAS_HEIGHT, - WEBP_FF_LOOP_COUNT, - WEBP_FF_BACKGROUND_COLOR, - WEBP_FF_FRAME_COUNT // Number of frames present in the demux object. - // In case of a partial demux, this is the number of - // frames seen so far, with the last frame possibly - // being partial. + WEBP_FF_LOOP_COUNT, // only relevant for animated file + WEBP_FF_BACKGROUND_COLOR, // idem. + WEBP_FF_FRAME_COUNT // Number of frames present in the demux object. + // In case of a partial demux, this is the number + // of frames seen so far, with the last frame + // possibly being partial. } WebPFormatFeature; // Get the 'feature' value from the 'dmux'. // NOTE: values are only valid if WebPDemux() was used or WebPDemuxPartial() // returned a state > WEBP_DEMUX_PARSING_HEADER. -WEBP_EXTERN(uint32_t) WebPDemuxGetI( +// If 'feature' is WEBP_FF_FORMAT_FLAGS, the returned value is a bit-wise +// combination of WebPFeatureFlags values. +// If 'feature' is WEBP_FF_LOOP_COUNT, WEBP_FF_BACKGROUND_COLOR, the returned +// value is only meaningful if the bitstream is animated. +WEBP_EXTERN uint32_t WebPDemuxGetI( const WebPDemuxer* dmux, WebPFormatFeature feature); //------------------------------------------------------------------------------ @@ -159,20 +164,20 @@ struct WebPIterator { // Returns false if 'dmux' is NULL or frame 'frame_number' is not present. // Call WebPDemuxReleaseIterator() when use of the iterator is complete. // NOTE: 'dmux' must persist for the lifetime of 'iter'. -WEBP_EXTERN(int) WebPDemuxGetFrame( +WEBP_EXTERN int WebPDemuxGetFrame( const WebPDemuxer* dmux, int frame_number, WebPIterator* iter); // Sets 'iter->fragment' to point to the next ('iter->frame_num' + 1) or // previous ('iter->frame_num' - 1) frame. These functions do not loop. // Returns true on success, false otherwise. -WEBP_EXTERN(int) WebPDemuxNextFrame(WebPIterator* iter); -WEBP_EXTERN(int) WebPDemuxPrevFrame(WebPIterator* iter); +WEBP_EXTERN int WebPDemuxNextFrame(WebPIterator* iter); +WEBP_EXTERN int WebPDemuxPrevFrame(WebPIterator* iter); // Releases any memory associated with 'iter'. // Must be called before any subsequent calls to WebPDemuxGetChunk() on the same // iter. Also, must be called before destroying the associated WebPDemuxer with // WebPDemuxDelete(). -WEBP_EXTERN(void) WebPDemuxReleaseIterator(WebPIterator* iter); +WEBP_EXTERN void WebPDemuxReleaseIterator(WebPIterator* iter); //------------------------------------------------------------------------------ // Chunk iteration. @@ -197,20 +202,20 @@ struct WebPChunkIterator { // payloads are accessed through WebPDemuxGetFrame() and related functions. // Call WebPDemuxReleaseChunkIterator() when use of the iterator is complete. // NOTE: 'dmux' must persist for the lifetime of the iterator. -WEBP_EXTERN(int) WebPDemuxGetChunk(const WebPDemuxer* dmux, - const char fourcc[4], int chunk_number, - WebPChunkIterator* iter); +WEBP_EXTERN int WebPDemuxGetChunk(const WebPDemuxer* dmux, + const char fourcc[4], int chunk_number, + WebPChunkIterator* iter); // Sets 'iter->chunk' to point to the next ('iter->chunk_num' + 1) or previous // ('iter->chunk_num' - 1) chunk. These functions do not loop. // Returns true on success, false otherwise. -WEBP_EXTERN(int) WebPDemuxNextChunk(WebPChunkIterator* iter); -WEBP_EXTERN(int) WebPDemuxPrevChunk(WebPChunkIterator* iter); +WEBP_EXTERN int WebPDemuxNextChunk(WebPChunkIterator* iter); +WEBP_EXTERN int WebPDemuxPrevChunk(WebPChunkIterator* iter); // Releases any memory associated with 'iter'. // Must be called before destroying the associated WebPDemuxer with // WebPDemuxDelete(). -WEBP_EXTERN(void) WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter); +WEBP_EXTERN void WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter); //------------------------------------------------------------------------------ // WebPAnimDecoder API @@ -252,7 +257,7 @@ struct WebPAnimDecoderOptions { }; // Internal, version-checked, entry point. -WEBP_EXTERN(int) WebPAnimDecoderOptionsInitInternal( +WEBP_EXTERN int WebPAnimDecoderOptionsInitInternal( WebPAnimDecoderOptions*, int); // Should always be called, to initialize a fresh WebPAnimDecoderOptions @@ -266,7 +271,7 @@ static WEBP_INLINE int WebPAnimDecoderOptionsInit( } // Internal, version-checked, entry point. -WEBP_EXTERN(WebPAnimDecoder*) WebPAnimDecoderNewInternal( +WEBP_EXTERN WebPAnimDecoder* WebPAnimDecoderNewInternal( const WebPData*, const WebPAnimDecoderOptions*, int); // Creates and initializes a WebPAnimDecoder object. @@ -301,8 +306,8 @@ struct WebPAnimInfo { // info - (out) global information fetched from the animation. // Returns: // True on success. -WEBP_EXTERN(int) WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec, - WebPAnimInfo* info); +WEBP_EXTERN int WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec, + WebPAnimInfo* info); // Fetch the next frame from 'dec' based on options supplied to // WebPAnimDecoderNew(). This will be a fully reconstructed canvas of size @@ -316,8 +321,8 @@ WEBP_EXTERN(int) WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec, // Returns: // False if any of the arguments are NULL, or if there is a parsing or // decoding error, or if there are no more frames. Otherwise, returns true. -WEBP_EXTERN(int) WebPAnimDecoderGetNext(WebPAnimDecoder* dec, - uint8_t** buf, int* timestamp); +WEBP_EXTERN int WebPAnimDecoderGetNext(WebPAnimDecoder* dec, + uint8_t** buf, int* timestamp); // Check if there are more frames left to decode. // Parameters: @@ -325,7 +330,7 @@ WEBP_EXTERN(int) WebPAnimDecoderGetNext(WebPAnimDecoder* dec, // Returns: // True if 'dec' is not NULL and some frames are yet to be decoded. // Otherwise, returns false. -WEBP_EXTERN(int) WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec); +WEBP_EXTERN int WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec); // Resets the WebPAnimDecoder object, so that next call to // WebPAnimDecoderGetNext() will restart decoding from 1st frame. This would be @@ -333,7 +338,7 @@ WEBP_EXTERN(int) WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec); // info.loop_count times) without destroying and recreating the 'dec' object. // Parameters: // dec - (in/out) decoder instance to be reset -WEBP_EXTERN(void) WebPAnimDecoderReset(WebPAnimDecoder* dec); +WEBP_EXTERN void WebPAnimDecoderReset(WebPAnimDecoder* dec); // Grab the internal demuxer object. // Getting the demuxer object can be useful if one wants to use operations only @@ -343,13 +348,13 @@ WEBP_EXTERN(void) WebPAnimDecoderReset(WebPAnimDecoder* dec); // // Parameters: // dec - (in) decoder instance from which the demuxer object is to be fetched. -WEBP_EXTERN(const WebPDemuxer*) WebPAnimDecoderGetDemuxer( +WEBP_EXTERN const WebPDemuxer* WebPAnimDecoderGetDemuxer( const WebPAnimDecoder* dec); // Deletes the WebPAnimDecoder object. // Parameters: // dec - (in/out) decoder instance to be deleted -WEBP_EXTERN(void) WebPAnimDecoderDelete(WebPAnimDecoder* dec); +WEBP_EXTERN void WebPAnimDecoderDelete(WebPAnimDecoder* dec); #ifdef __cplusplus } // extern "C" diff --git a/media/libwebp/webp/encode.h b/media/libwebp/webp/encode.h index 35fde1d05..7ec3543dc 100644 --- a/media/libwebp/webp/encode.h +++ b/media/libwebp/webp/encode.h @@ -35,7 +35,7 @@ typedef struct WebPMemoryWriter WebPMemoryWriter; // Return the encoder's version number, packed in hexadecimal using 8bits for // each of major/minor/revision. E.g: v2.5.7 is 0x020507. -WEBP_EXTERN(int) WebPGetEncoderVersion(void); +WEBP_EXTERN int WebPGetEncoderVersion(void); //------------------------------------------------------------------------------ // One-stop-shop call! No questions asked: @@ -46,37 +46,37 @@ WEBP_EXTERN(int) WebPGetEncoderVersion(void); // These functions compress using the lossy format, and the quality_factor // can go from 0 (smaller output, lower quality) to 100 (best quality, // larger output). -WEBP_EXTERN(size_t) WebPEncodeRGB(const uint8_t* rgb, +WEBP_EXTERN size_t WebPEncodeRGB(const uint8_t* rgb, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN size_t WebPEncodeBGR(const uint8_t* bgr, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN size_t WebPEncodeRGBA(const uint8_t* rgba, int width, int height, int stride, float quality_factor, uint8_t** output); -WEBP_EXTERN(size_t) WebPEncodeBGR(const uint8_t* bgr, +WEBP_EXTERN size_t WebPEncodeBGRA(const uint8_t* bgra, int width, int height, int stride, float quality_factor, uint8_t** output); -WEBP_EXTERN(size_t) WebPEncodeRGBA(const uint8_t* rgba, - int width, int height, int stride, - float quality_factor, uint8_t** output); -WEBP_EXTERN(size_t) WebPEncodeBGRA(const uint8_t* bgra, - int width, int height, int stride, - float quality_factor, uint8_t** output); // These functions are the equivalent of the above, but compressing in a // lossless manner. Files are usually larger than lossy format, but will // not suffer any compression loss. -WEBP_EXTERN(size_t) WebPEncodeLosslessRGB(const uint8_t* rgb, +WEBP_EXTERN size_t WebPEncodeLosslessRGB(const uint8_t* rgb, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN size_t WebPEncodeLosslessBGR(const uint8_t* bgr, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN size_t WebPEncodeLosslessRGBA(const uint8_t* rgba, int width, int height, int stride, uint8_t** output); -WEBP_EXTERN(size_t) WebPEncodeLosslessBGR(const uint8_t* bgr, +WEBP_EXTERN size_t WebPEncodeLosslessBGRA(const uint8_t* bgra, int width, int height, int stride, uint8_t** output); -WEBP_EXTERN(size_t) WebPEncodeLosslessRGBA(const uint8_t* rgba, - int width, int height, int stride, - uint8_t** output); -WEBP_EXTERN(size_t) WebPEncodeLosslessBGRA(const uint8_t* bgra, - int width, int height, int stride, - uint8_t** output); // Releases memory returned by the WebPEncode*() functions above. -WEBP_EXTERN(void) WebPFree(void* ptr); +WEBP_EXTERN void WebPFree(void* ptr); //------------------------------------------------------------------------------ // Coding parameters @@ -93,12 +93,15 @@ typedef enum WebPImageHint { // Compression parameters. struct WebPConfig { int lossless; // Lossless encoding (0=lossy(default), 1=lossless). - float quality; // between 0 (smallest file) and 100 (biggest) + float quality; // between 0 and 100. For lossy, 0 gives the smallest + // size and 100 the largest. For lossless, this + // parameter is the amount of effort put into the + // compression: 0 is the fastest but gives larger + // files compared to the slowest, but best, 100. int method; // quality/speed trade-off (0=fast, 6=slower-better) WebPImageHint image_hint; // Hint for image type (lossless only for now). - // Parameters related to lossy compression only: int target_size; // if non-zero, set the desired target size in bytes. // Takes precedence over the 'compression' parameter. float target_PSNR; // if non-zero, specifies the minimal distortion to @@ -159,7 +162,7 @@ typedef enum WebPPreset { } WebPPreset; // Internal, version-checked, entry point -WEBP_EXTERN(int) WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int); +WEBP_EXTERN int WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int); // Should always be called, to initialize a fresh WebPConfig structure before // modification. Returns false in case of version mismatch. WebPConfigInit() @@ -186,15 +189,15 @@ static WEBP_INLINE int WebPConfigPreset(WebPConfig* config, // speed and final compressed size. // This function will overwrite several fields from config: 'method', 'quality' // and 'lossless'. Returns false in case of parameter error. -WEBP_EXTERN(int) WebPConfigLosslessPreset(WebPConfig* config, int level); +WEBP_EXTERN int WebPConfigLosslessPreset(WebPConfig* config, int level); // Returns true if 'config' is non-NULL and all configuration parameters are // within their valid ranges. -WEBP_EXTERN(int) WebPValidateConfig(const WebPConfig* config); +WEBP_EXTERN int WebPValidateConfig(const WebPConfig* config); //------------------------------------------------------------------------------ // Input / Output -// Structure for storing auxiliary statistics (mostly for lossy encoding). +// Structure for storing auxiliary statistics. struct WebPAuxStats { int coded_size; // final size @@ -242,16 +245,16 @@ struct WebPMemoryWriter { }; // The following must be called first before any use. -WEBP_EXTERN(void) WebPMemoryWriterInit(WebPMemoryWriter* writer); +WEBP_EXTERN void WebPMemoryWriterInit(WebPMemoryWriter* writer); // The following must be called to deallocate writer->mem memory. The 'writer' // object itself is not deallocated. -WEBP_EXTERN(void) WebPMemoryWriterClear(WebPMemoryWriter* writer); +WEBP_EXTERN void WebPMemoryWriterClear(WebPMemoryWriter* writer); // The custom writer to be used with WebPMemoryWriter as custom_ptr. Upon // completion, writer.mem and writer.size will hold the coded data. // writer.mem must be freed by calling WebPMemoryWriterClear. -WEBP_EXTERN(int) WebPMemoryWrite(const uint8_t* data, size_t data_size, - const WebPPicture* picture); +WEBP_EXTERN int WebPMemoryWrite(const uint8_t* data, size_t data_size, + const WebPPicture* picture); // Progress hook, called from time to time to report progress. It can return // false to request an abort of the encoding process, or true otherwise if @@ -354,7 +357,7 @@ struct WebPPicture { }; // Internal, version-checked, entry point -WEBP_EXTERN(int) WebPPictureInitInternal(WebPPicture*, int); +WEBP_EXTERN int WebPPictureInitInternal(WebPPicture*, int); // Should always be called, to initialize the structure. Returns false in case // of version mismatch. WebPPictureInit() must have succeeded before using the @@ -371,20 +374,20 @@ static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) { // Allocate y/u/v buffers as per colorspace/width/height specification. // Note! This function will free the previous buffer if needed. // Returns false in case of memory error. -WEBP_EXTERN(int) WebPPictureAlloc(WebPPicture* picture); +WEBP_EXTERN int WebPPictureAlloc(WebPPicture* picture); // Release the memory allocated by WebPPictureAlloc() or WebPPictureImport*(). // Note that this function does _not_ free the memory used by the 'picture' // object itself. // Besides memory (which is reclaimed) all other fields of 'picture' are // preserved. -WEBP_EXTERN(void) WebPPictureFree(WebPPicture* picture); +WEBP_EXTERN void WebPPictureFree(WebPPicture* picture); // Copy the pixels of *src into *dst, using WebPPictureAlloc. Upon return, *dst // will fully own the copied pixels (this is not a view). The 'dst' picture need // not be initialized as its content is overwritten. // Returns false in case of memory allocation error. -WEBP_EXTERN(int) WebPPictureCopy(const WebPPicture* src, WebPPicture* dst); +WEBP_EXTERN int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst); // Compute the single distortion for packed planes of samples. // 'src' will be compared to 'ref', and the raw distortion stored into @@ -393,19 +396,19 @@ WEBP_EXTERN(int) WebPPictureCopy(const WebPPicture* src, WebPPicture* dst); // 'x_step' is the horizontal stride (in bytes) between samples. // 'src/ref_stride' is the byte distance between rows. // Returns false in case of error (bad parameter, memory allocation error, ...). -WEBP_EXTERN(int) WebPPlaneDistortion(const uint8_t* src, size_t src_stride, - const uint8_t* ref, size_t ref_stride, - int width, int height, - size_t x_step, - int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM - float* distortion, float* result); +WEBP_EXTERN int WebPPlaneDistortion(const uint8_t* src, size_t src_stride, + const uint8_t* ref, size_t ref_stride, + int width, int height, + size_t x_step, + int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM + float* distortion, float* result); // Compute PSNR, SSIM or LSIM distortion metric between two pictures. Results // are in dB, stored in result[] in the B/G/R/A/All order. The distortion is // always performed using ARGB samples. Hence if the input is YUV(A), the // picture will be internally converted to ARGB (just for the measurement). // Warning: this function is rather CPU-intensive. -WEBP_EXTERN(int) WebPPictureDistortion( +WEBP_EXTERN int WebPPictureDistortion( const WebPPicture* src, const WebPPicture* ref, int metric_type, // 0 = PSNR, 1 = SSIM, 2 = LSIM float result[5]); @@ -418,8 +421,8 @@ WEBP_EXTERN(int) WebPPictureDistortion( // must be fully be comprised inside the 'src' source picture. If the source // picture uses the YUV420 colorspace, the top and left coordinates will be // snapped to even values. -WEBP_EXTERN(int) WebPPictureCrop(WebPPicture* picture, - int left, int top, int width, int height); +WEBP_EXTERN int WebPPictureCrop(WebPPicture* picture, + int left, int top, int width, int height); // Extracts a view from 'src' picture into 'dst'. The rectangle for the view // is defined by the top-left corner pixel coordinates (left, top) as well @@ -432,42 +435,42 @@ WEBP_EXTERN(int) WebPPictureCrop(WebPPicture* picture, // with WebPPictureInit() if it is different from 'src', since its content will // be overwritten. // Returns false in case of memory allocation error or invalid parameters. -WEBP_EXTERN(int) WebPPictureView(const WebPPicture* src, - int left, int top, int width, int height, - WebPPicture* dst); +WEBP_EXTERN int WebPPictureView(const WebPPicture* src, + int left, int top, int width, int height, + WebPPicture* dst); // Returns true if the 'picture' is actually a view and therefore does // not own the memory for pixels. -WEBP_EXTERN(int) WebPPictureIsView(const WebPPicture* picture); +WEBP_EXTERN int WebPPictureIsView(const WebPPicture* picture); // Rescale a picture to new dimension width x height. // If either 'width' or 'height' (but not both) is 0 the corresponding // dimension will be calculated preserving the aspect ratio. // No gamma correction is applied. // Returns false in case of error (invalid parameter or insufficient memory). -WEBP_EXTERN(int) WebPPictureRescale(WebPPicture* pic, int width, int height); +WEBP_EXTERN int WebPPictureRescale(WebPPicture* pic, int width, int height); // Colorspace conversion function to import RGB samples. // Previous buffer will be free'd, if any. // *rgb buffer should have a size of at least height * rgb_stride. // Returns false in case of memory error. -WEBP_EXTERN(int) WebPPictureImportRGB( +WEBP_EXTERN int WebPPictureImportRGB( WebPPicture* picture, const uint8_t* rgb, int rgb_stride); // Same, but for RGBA buffer. -WEBP_EXTERN(int) WebPPictureImportRGBA( +WEBP_EXTERN int WebPPictureImportRGBA( WebPPicture* picture, const uint8_t* rgba, int rgba_stride); // Same, but for RGBA buffer. Imports the RGB direct from the 32-bit format // input buffer ignoring the alpha channel. Avoids needing to copy the data // to a temporary 24-bit RGB buffer to import the RGB only. -WEBP_EXTERN(int) WebPPictureImportRGBX( +WEBP_EXTERN int WebPPictureImportRGBX( WebPPicture* picture, const uint8_t* rgbx, int rgbx_stride); // Variants of the above, but taking BGR(A|X) input. -WEBP_EXTERN(int) WebPPictureImportBGR( +WEBP_EXTERN int WebPPictureImportBGR( WebPPicture* picture, const uint8_t* bgr, int bgr_stride); -WEBP_EXTERN(int) WebPPictureImportBGRA( +WEBP_EXTERN int WebPPictureImportBGRA( WebPPicture* picture, const uint8_t* bgra, int bgra_stride); -WEBP_EXTERN(int) WebPPictureImportBGRX( +WEBP_EXTERN int WebPPictureImportBGRX( WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride); // Converts picture->argb data to the YUV420A format. The 'colorspace' @@ -476,14 +479,14 @@ WEBP_EXTERN(int) WebPPictureImportBGRX( // non-opaque transparent values is detected, and 'colorspace' will be // adjusted accordingly. Note that this method is lossy. // Returns false in case of error. -WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture, - WebPEncCSP /*colorspace = WEBP_YUV420*/); +WEBP_EXTERN int WebPPictureARGBToYUVA(WebPPicture* picture, + WebPEncCSP /*colorspace = WEBP_YUV420*/); // Same as WebPPictureARGBToYUVA(), but the conversion is done using // pseudo-random dithering with a strength 'dithering' between // 0.0 (no dithering) and 1.0 (maximum dithering). This is useful // for photographic picture. -WEBP_EXTERN(int) WebPPictureARGBToYUVADithered( +WEBP_EXTERN int WebPPictureARGBToYUVADithered( WebPPicture* picture, WebPEncCSP colorspace, float dithering); // Performs 'sharp' RGBA->YUVA420 downsampling and colorspace conversion. @@ -491,9 +494,9 @@ WEBP_EXTERN(int) WebPPictureARGBToYUVADithered( // method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better // and sharper YUV representation. // Returns false in case of error. -WEBP_EXTERN(int) WebPPictureSharpARGBToYUVA(WebPPicture* picture); +WEBP_EXTERN int WebPPictureSharpARGBToYUVA(WebPPicture* picture); // kept for backward compatibility: -WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture); +WEBP_EXTERN int WebPPictureSmartARGBToYUVA(WebPPicture* picture); // Converts picture->yuv to picture->argb and sets picture->use_argb to true. // The input format must be YUV_420 or YUV_420A. The conversion from YUV420 to @@ -501,22 +504,22 @@ WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture); // Note that the use of this colorspace is discouraged if one has access to the // raw ARGB samples, since using YUV420 is comparatively lossy. // Returns false in case of error. -WEBP_EXTERN(int) WebPPictureYUVAToARGB(WebPPicture* picture); +WEBP_EXTERN int WebPPictureYUVAToARGB(WebPPicture* picture); // Helper function: given a width x height plane of RGBA or YUV(A) samples -// clean-up the YUV or RGB samples under fully transparent area, to help -// compressibility (no guarantee, though). -WEBP_EXTERN(void) WebPCleanupTransparentArea(WebPPicture* picture); +// clean-up or smoothen the YUV or RGB samples under fully transparent area, +// to help compressibility (no guarantee, though). +WEBP_EXTERN void WebPCleanupTransparentArea(WebPPicture* picture); // Scan the picture 'picture' for the presence of non fully opaque alpha values. // Returns true in such case. Otherwise returns false (indicating that the // alpha plane can be ignored altogether e.g.). -WEBP_EXTERN(int) WebPPictureHasTransparency(const WebPPicture* picture); +WEBP_EXTERN int WebPPictureHasTransparency(const WebPPicture* picture); // Remove the transparency information (if present) by blending the color with // the background color 'background_rgb' (specified as 24bit RGB triplet). // After this call, all alpha values are reset to 0xff. -WEBP_EXTERN(void) WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb); +WEBP_EXTERN void WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb); //------------------------------------------------------------------------------ // Main call @@ -531,7 +534,7 @@ WEBP_EXTERN(void) WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb); // the former for lossy encoding, and the latter for lossless encoding // (when config.lossless is true). Automatic conversion from one format to // another is provided but they both incur some loss. -WEBP_EXTERN(int) WebPEncode(const WebPConfig* config, WebPPicture* picture); +WEBP_EXTERN int WebPEncode(const WebPConfig* config, WebPPicture* picture); //------------------------------------------------------------------------------ diff --git a/media/libwebp/webp/mux.h b/media/libwebp/webp/mux.h index daccc65e8..28bb4a41c 100644 --- a/media/libwebp/webp/mux.h +++ b/media/libwebp/webp/mux.h @@ -98,13 +98,13 @@ typedef enum WebPChunkId { // Returns the version number of the mux library, packed in hexadecimal using // 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. -WEBP_EXTERN(int) WebPGetMuxVersion(void); +WEBP_EXTERN int WebPGetMuxVersion(void); //------------------------------------------------------------------------------ // Life of a Mux object // Internal, version-checked, entry point -WEBP_EXTERN(WebPMux*) WebPNewInternal(int); +WEBP_EXTERN WebPMux* WebPNewInternal(int); // Creates an empty mux object. // Returns: @@ -117,13 +117,13 @@ static WEBP_INLINE WebPMux* WebPMuxNew(void) { // Deletes the mux object. // Parameters: // mux - (in/out) object to be deleted -WEBP_EXTERN(void) WebPMuxDelete(WebPMux* mux); +WEBP_EXTERN void WebPMuxDelete(WebPMux* mux); //------------------------------------------------------------------------------ // Mux creation. // Internal, version-checked, entry point -WEBP_EXTERN(WebPMux*) WebPMuxCreateInternal(const WebPData*, int, int); +WEBP_EXTERN WebPMux* WebPMuxCreateInternal(const WebPData*, int, int); // Creates a mux object from raw data given in WebP RIFF format. // Parameters: @@ -160,7 +160,7 @@ static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream, // or if fourcc corresponds to an image chunk. // WEBP_MUX_MEMORY_ERROR - on memory allocation error. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxSetChunk( +WEBP_EXTERN WebPMuxError WebPMuxSetChunk( WebPMux* mux, const char fourcc[4], const WebPData* chunk_data, int copy_data); @@ -176,7 +176,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetChunk( // or if fourcc corresponds to an image chunk. // WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given id. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxGetChunk( +WEBP_EXTERN WebPMuxError WebPMuxGetChunk( const WebPMux* mux, const char fourcc[4], WebPData* chunk_data); // Deletes the chunk with the given 'fourcc' from the mux object. @@ -189,7 +189,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetChunk( // or if fourcc corresponds to an image chunk. // WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given fourcc. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxDeleteChunk( +WEBP_EXTERN WebPMuxError WebPMuxDeleteChunk( WebPMux* mux, const char fourcc[4]); //------------------------------------------------------------------------------ @@ -222,7 +222,7 @@ struct WebPMuxFrameInfo { // WEBP_MUX_INVALID_ARGUMENT - if mux is NULL or bitstream is NULL. // WEBP_MUX_MEMORY_ERROR - on memory allocation error. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxSetImage( +WEBP_EXTERN WebPMuxError WebPMuxSetImage( WebPMux* mux, const WebPData* bitstream, int copy_data); // Adds a frame at the end of the mux object. @@ -241,7 +241,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetImage( // or if content of 'frame' is invalid. // WEBP_MUX_MEMORY_ERROR - on memory allocation error. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxPushFrame( +WEBP_EXTERN WebPMuxError WebPMuxPushFrame( WebPMux* mux, const WebPMuxFrameInfo* frame, int copy_data); // Gets the nth frame from the mux object. @@ -259,7 +259,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxPushFrame( // WEBP_MUX_BAD_DATA - if nth frame chunk in mux is invalid. // WEBP_MUX_MEMORY_ERROR - on memory allocation error. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxGetFrame( +WEBP_EXTERN WebPMuxError WebPMuxGetFrame( const WebPMux* mux, uint32_t nth, WebPMuxFrameInfo* frame); // Deletes a frame from the mux object. @@ -272,7 +272,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetFrame( // WEBP_MUX_NOT_FOUND - If there are less than nth frames in the mux object // before deletion. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth); +WEBP_EXTERN WebPMuxError WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth); //------------------------------------------------------------------------------ // Animation. @@ -296,7 +296,7 @@ struct WebPMuxAnimParams { // WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL. // WEBP_MUX_MEMORY_ERROR - on memory allocation error. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxSetAnimationParams( +WEBP_EXTERN WebPMuxError WebPMuxSetAnimationParams( WebPMux* mux, const WebPMuxAnimParams* params); // Gets the animation parameters from the mux object. @@ -307,7 +307,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetAnimationParams( // WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL. // WEBP_MUX_NOT_FOUND - if ANIM chunk is not present in mux object. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxGetAnimationParams( +WEBP_EXTERN WebPMuxError WebPMuxGetAnimationParams( const WebPMux* mux, WebPMuxAnimParams* params); //------------------------------------------------------------------------------ @@ -328,8 +328,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetAnimationParams( // WEBP_MUX_INVALID_ARGUMENT - if mux is NULL; or // width or height are invalid or out of bounds // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxSetCanvasSize(WebPMux* mux, - int width, int height); +WEBP_EXTERN WebPMuxError WebPMuxSetCanvasSize(WebPMux* mux, + int width, int height); // Gets the canvas size from the mux object. // Note: This method assumes that the VP8X chunk, if present, is up-to-date. @@ -343,8 +343,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetCanvasSize(WebPMux* mux, // WEBP_MUX_INVALID_ARGUMENT - if mux, width or height is NULL. // WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxGetCanvasSize(const WebPMux* mux, - int* width, int* height); +WEBP_EXTERN WebPMuxError WebPMuxGetCanvasSize(const WebPMux* mux, + int* width, int* height); // Gets the feature flags from the mux object. // Note: This method assumes that the VP8X chunk, if present, is up-to-date. @@ -359,8 +359,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetCanvasSize(const WebPMux* mux, // WEBP_MUX_INVALID_ARGUMENT - if mux or flags is NULL. // WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxGetFeatures(const WebPMux* mux, - uint32_t* flags); +WEBP_EXTERN WebPMuxError WebPMuxGetFeatures(const WebPMux* mux, + uint32_t* flags); // Gets number of chunks with the given 'id' in the mux object. // Parameters: @@ -370,8 +370,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetFeatures(const WebPMux* mux, // Returns: // WEBP_MUX_INVALID_ARGUMENT - if mux, or num_elements is NULL. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxNumChunks(const WebPMux* mux, - WebPChunkId id, int* num_elements); +WEBP_EXTERN WebPMuxError WebPMuxNumChunks(const WebPMux* mux, + WebPChunkId id, int* num_elements); // Assembles all chunks in WebP RIFF format and returns in 'assembled_data'. // This function also validates the mux object. @@ -388,8 +388,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxNumChunks(const WebPMux* mux, // WEBP_MUX_INVALID_ARGUMENT - if mux or assembled_data is NULL. // WEBP_MUX_MEMORY_ERROR - on memory allocation error. // WEBP_MUX_OK - on success. -WEBP_EXTERN(WebPMuxError) WebPMuxAssemble(WebPMux* mux, - WebPData* assembled_data); +WEBP_EXTERN WebPMuxError WebPMuxAssemble(WebPMux* mux, + WebPData* assembled_data); //------------------------------------------------------------------------------ // WebPAnimEncoder API @@ -442,7 +442,7 @@ struct WebPAnimEncoderOptions { }; // Internal, version-checked, entry point. -WEBP_EXTERN(int) WebPAnimEncoderOptionsInitInternal( +WEBP_EXTERN int WebPAnimEncoderOptionsInitInternal( WebPAnimEncoderOptions*, int); // Should always be called, to initialize a fresh WebPAnimEncoderOptions @@ -455,7 +455,7 @@ static WEBP_INLINE int WebPAnimEncoderOptionsInit( } // Internal, version-checked, entry point. -WEBP_EXTERN(WebPAnimEncoder*) WebPAnimEncoderNewInternal( +WEBP_EXTERN WebPAnimEncoder* WebPAnimEncoderNewInternal( int, int, const WebPAnimEncoderOptions*, int); // Creates and initializes a WebPAnimEncoder object. @@ -490,7 +490,7 @@ static WEBP_INLINE WebPAnimEncoder* WebPAnimEncoderNew( // Returns: // On error, returns false and frame->error_code is set appropriately. // Otherwise, returns true. -WEBP_EXTERN(int) WebPAnimEncoderAdd( +WEBP_EXTERN int WebPAnimEncoderAdd( WebPAnimEncoder* enc, struct WebPPicture* frame, int timestamp_ms, const struct WebPConfig* config); @@ -503,8 +503,8 @@ WEBP_EXTERN(int) WebPAnimEncoderAdd( // webp_data - (out) generated WebP bitstream. // Returns: // True on success. -WEBP_EXTERN(int) WebPAnimEncoderAssemble(WebPAnimEncoder* enc, - WebPData* webp_data); +WEBP_EXTERN int WebPAnimEncoderAssemble(WebPAnimEncoder* enc, + WebPData* webp_data); // Get error string corresponding to the most recent call using 'enc'. The // returned string is owned by 'enc' and is valid only until the next call to @@ -514,12 +514,12 @@ WEBP_EXTERN(int) WebPAnimEncoderAssemble(WebPAnimEncoder* enc, // Returns: // NULL if 'enc' is NULL. Otherwise, returns the error string if the last call // to 'enc' had an error, or an empty string if the last call was a success. -WEBP_EXTERN(const char*) WebPAnimEncoderGetError(WebPAnimEncoder* enc); +WEBP_EXTERN const char* WebPAnimEncoderGetError(WebPAnimEncoder* enc); // Deletes the WebPAnimEncoder object. // Parameters: // enc - (in/out) object to be deleted -WEBP_EXTERN(void) WebPAnimEncoderDelete(WebPAnimEncoder* enc); +WEBP_EXTERN void WebPAnimEncoderDelete(WebPAnimEncoder* enc); //------------------------------------------------------------------------------ diff --git a/media/libwebp/webp/types.h b/media/libwebp/webp/types.h index 98fff35a1..989a763f0 100644 --- a/media/libwebp/webp/types.h +++ b/media/libwebp/webp/types.h @@ -40,9 +40,9 @@ typedef long long int int64_t; // This explicitly marks library functions and allows for changing the // signature for e.g., Windows DLL builds. # if defined(__GNUC__) && __GNUC__ >= 4 -# define WEBP_EXTERN(type) extern __attribute__ ((visibility ("default"))) type +# define WEBP_EXTERN extern __attribute__ ((visibility ("default"))) # else -# define WEBP_EXTERN(type) extern type +# define WEBP_EXTERN extern # endif /* __GNUC__ >= 4 */ #endif /* WEBP_EXTERN */ |