dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-14 21:09:55 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

decode.h: use size_t consistently

Browse Source 
replaces mixed use of int/uint32_t for buffer sizes
further changes the API/ABI.

Change-Id: I91d70fd82ee3e1ac34b884b8ead9a114a9b1015a
This commit is contained in:
James Zern
2012-04-17 16:01:33 -07:00
parent dceb8b4d9a
commit 9b3d1f3a1b
12 changed files with 115 additions and 158 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
src/dec/webp.c
View File

@ -56,7 +56,7 @@ static WEBP_INLINE uint32_t get_le32(const uint8_t* const data) {
// VP8_STATUS_OK otherwise.
// In case there are not enough bytes (partial RIFF container), return 0 for
// riff_size. Else return the riff_size extracted from the header.
static VP8StatusCode ParseRIFF(const uint8_t** data, uint32_t* data_size,
static VP8StatusCode ParseRIFF(const uint8_t** data, size_t* data_size,
size_t* riff_size) {
assert(data);
assert(data_size);
@ -87,7 +87,7 @@ static VP8StatusCode ParseRIFF(const uint8_t** data, uint32_t* data_size,
// VP8_STATUS_OK otherwise.
// If a VP8X chunk is found, found_vp8x is set to true and *width, *height and
// *flags are set to the corresponding values extracted from the VP8X chunk.
static VP8StatusCode ParseVP8X(const uint8_t** data, uint32_t* data_size,
static VP8StatusCode ParseVP8X(const uint8_t** data, size_t* data_size,
int* found_vp8x,
int* width, int* height, uint32_t* flags) {
const uint32_t vp8x_size = CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE;
@ -130,12 +130,12 @@ static VP8StatusCode ParseVP8X(const uint8_t** data, uint32_t* data_size,
// VP8_STATUS_OK otherwise.
// If an alpha chunk is found, alpha_data and alpha_size are set appropriately.
static VP8StatusCode ParseOptionalChunks(const uint8_t** data,
uint32_t* data_size,
uint32_t riff_size,
size_t* data_size,
size_t riff_size,
const uint8_t** alpha_data,
uint32_t* alpha_size) {
size_t* alpha_size) {
const uint8_t* buf;
uint32_t buf_size;
size_t buf_size;
uint32_t total_size = TAG_SIZE + // "WEBP".
CHUNK_HEADER_SIZE + // "VP8Xnnnn".
VP8X_CHUNK_SIZE; // data.
@ -195,7 +195,7 @@ static VP8StatusCode ParseOptionalChunks(const uint8_t** data,
// If a VP8/VP8L chunk is found, chunk_size is set to the total number of bytes
// extracted from the VP8/VP8L chunk header.
// The flag 'is_lossless' is set to 1 in case of VP8L chunk.
static VP8StatusCode ParseVP8Header(const uint8_t** data, uint32_t* data_size,
static VP8StatusCode ParseVP8Header(const uint8_t** data, size_t* data_size,
size_t riff_size,
size_t* chunk_size, int* is_lossless) {
const int is_vp8 = !memcmp(*data, "VP8 ", TAG_SIZE);
@ -231,7 +231,7 @@ static VP8StatusCode ParseVP8Header(const uint8_t** data, uint32_t* data_size,
VP8StatusCode WebPParseHeaders(WebPHeaderStructure* const headers) {
const uint8_t* buf;
uint32_t buf_size;
size_t buf_size;
int found_vp8x;
VP8StatusCode status;
@ -296,7 +296,7 @@ void WebPResetDecParams(WebPDecParams* const params) {
// "Into" decoding variants
// Main flow
static VP8StatusCode DecodeInto(const uint8_t* data, uint32_t data_size,
static VP8StatusCode DecodeInto(const uint8_t* data, size_t data_size,
WebPDecParams* const params) {
VP8StatusCode status;
VP8Io io;
@ -370,8 +370,8 @@ static VP8StatusCode DecodeInto(const uint8_t* data, uint32_t data_size,
// Helpers
static uint8_t* DecodeIntoRGBABuffer(WEBP_CSP_MODE colorspace,
const uint8_t* data, uint32_t data_size,
uint8_t* rgba, int stride, int size) {
const uint8_t* data, size_t data_size,
uint8_t* rgba, int stride, size_t size) {
WebPDecParams params;
WebPDecBuffer buf;
if (rgba == NULL) {
@ -391,35 +391,35 @@ static uint8_t* DecodeIntoRGBABuffer(WEBP_CSP_MODE colorspace,
return rgba;
}
uint8_t* WebPDecodeRGBInto(const uint8_t* data, uint32_t data_size,
uint8_t* output, int size, int stride) {
uint8_t* WebPDecodeRGBInto(const uint8_t* data, size_t data_size,
uint8_t* output, size_t size, int stride) {
return DecodeIntoRGBABuffer(MODE_RGB, data, data_size, output, stride, size);
}
uint8_t* WebPDecodeRGBAInto(const uint8_t* data, uint32_t data_size,
uint8_t* output, int size, int stride) {
uint8_t* WebPDecodeRGBAInto(const uint8_t* data, size_t data_size,
uint8_t* output, size_t size, int stride) {
return DecodeIntoRGBABuffer(MODE_RGBA, data, data_size, output, stride, size);
}
uint8_t* WebPDecodeARGBInto(const uint8_t* data, uint32_t data_size,
uint8_t* output, int size, int stride) {
uint8_t* WebPDecodeARGBInto(const uint8_t* data, size_t data_size,
uint8_t* output, size_t size, int stride) {
return DecodeIntoRGBABuffer(MODE_ARGB, data, data_size, output, stride, size);
}
uint8_t* WebPDecodeBGRInto(const uint8_t* data, uint32_t data_size,
uint8_t* output, int size, int stride) {
uint8_t* WebPDecodeBGRInto(const uint8_t* data, size_t data_size,
uint8_t* output, size_t size, int stride) {
return DecodeIntoRGBABuffer(MODE_BGR, data, data_size, output, stride, size);
}
uint8_t* WebPDecodeBGRAInto(const uint8_t* data, uint32_t data_size,
uint8_t* output, int size, int stride) {
uint8_t* WebPDecodeBGRAInto(const uint8_t* data, size_t data_size,
uint8_t* output, size_t size, int stride) {
return DecodeIntoRGBABuffer(MODE_BGRA, data, data_size, output, stride, size);
}
uint8_t* WebPDecodeYUVInto(const uint8_t* data, uint32_t data_size,
uint8_t* luma, int luma_size, int luma_stride,
uint8_t* u, int u_size, int u_stride,
uint8_t* v, int v_size, int v_stride) {
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,
uint8_t* v, size_t v_size, int v_stride) {
WebPDecParams params;
WebPDecBuffer output;
if (luma == NULL) return NULL;
@ -446,7 +446,7 @@ uint8_t* WebPDecodeYUVInto(const uint8_t* data, uint32_t data_size,
//------------------------------------------------------------------------------
static uint8_t* Decode(WEBP_CSP_MODE mode, const uint8_t* data,
uint32_t data_size, int* width, int* height,
size_t data_size, int* width, int* height,
WebPDecBuffer* keep_info) {
WebPDecParams params;
WebPDecBuffer output;
@ -474,32 +474,32 @@ static uint8_t* Decode(WEBP_CSP_MODE mode, const uint8_t* data,
return (mode >= MODE_YUV) ? output.u.YUVA.y : output.u.RGBA.rgba;
}
uint8_t* WebPDecodeRGB(const uint8_t* data, uint32_t data_size,
uint8_t* WebPDecodeRGB(const uint8_t* data, size_t data_size,
int* width, int* height) {
return Decode(MODE_RGB, data, data_size, width, height, NULL);
}
uint8_t* WebPDecodeRGBA(const uint8_t* data, uint32_t data_size,
uint8_t* WebPDecodeRGBA(const uint8_t* data, size_t data_size,
int* width, int* height) {
return Decode(MODE_RGBA, data, data_size, width, height, NULL);
}
uint8_t* WebPDecodeARGB(const uint8_t* data, uint32_t data_size,
uint8_t* WebPDecodeARGB(const uint8_t* data, size_t data_size,
int* width, int* height) {
return Decode(MODE_ARGB, data, data_size, width, height, NULL);
}
uint8_t* WebPDecodeBGR(const uint8_t* data, uint32_t data_size,
uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size,
int* width, int* height) {
return Decode(MODE_BGR, data, data_size, width, height, NULL);
}
uint8_t* WebPDecodeBGRA(const uint8_t* data, uint32_t data_size,
uint8_t* WebPDecodeBGRA(const uint8_t* data, size_t data_size,
int* width, int* height) {
return Decode(MODE_BGRA, data, data_size, width, height, NULL);
}
uint8_t* WebPDecodeYUV(const uint8_t* data, uint32_t data_size,
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) {
WebPDecBuffer output; // only to preserve the side-infos
@ -523,7 +523,7 @@ static void DefaultFeatures(WebPBitstreamFeatures* const features) {
features->bitstream_version = 0;
}
static VP8StatusCode GetFeatures(const uint8_t* data, uint32_t data_size,
static VP8StatusCode GetFeatures(const uint8_t* data, size_t data_size,
WebPBitstreamFeatures* const features) {
size_t chunk_size = 0;
size_t riff_size = 0;
@ -584,7 +584,7 @@ static VP8StatusCode GetFeatures(const uint8_t* data, uint32_t data_size,
//------------------------------------------------------------------------------
// WebPGetInfo()
int WebPGetInfo(const uint8_t* data, uint32_t data_size,
int WebPGetInfo(const uint8_t* data, size_t data_size,
int* width, int* height) {
WebPBitstreamFeatures features;
@ -619,7 +619,7 @@ int WebPInitDecoderConfigInternal(WebPDecoderConfig* const config,
return 1;
}
VP8StatusCode WebPGetFeaturesInternal(const uint8_t* data, uint32_t data_size,
VP8StatusCode WebPGetFeaturesInternal(const uint8_t* data, size_t data_size,
WebPBitstreamFeatures* const features,
int version) {
VP8StatusCode status;
@ -637,7 +637,7 @@ VP8StatusCode WebPGetFeaturesInternal(const uint8_t* data, uint32_t data_size,
return status;
}
VP8StatusCode WebPDecode(const uint8_t* data, uint32_t data_size,
VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size,
WebPDecoderConfig* const config) {
WebPDecParams params;
VP8StatusCode status;