dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-13 14:34:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add error reporting from encoding failures.

Browse Source 
picture->error_code can be looked up for finer error diagnose.
Added readable error messages to cwebp too.

Should close bug #75 (http://code.google.com/p/webp/issues/detail?id=75)

Change-Id: I8889d06642d90702f698cd5c27441a058ddb3636
This commit is contained in:
Pascal Massimino
2011-06-02 06:55:03 -07:00
parent 6c9405dbfb
commit ca7a2fd66d
5 changed files with 74 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/webp/encode.h
View File

@ -146,6 +146,19 @@ typedef enum {
WEBP_CSP_ALPHA_BIT = 4 // bit that is set if alpha is present
} WebPEncCSP;
// Encoding error conditions.
typedef enum {
VP8_ENC_OK = 0,
VP8_ENC_ERROR_OUT_OF_MEMORY, // memory error allocating objects
VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY, // memory error while flushing bits
VP8_ENC_ERROR_NULL_PARAMETER, // a pointer parameter is NULL
VP8_ENC_ERROR_INVALID_CONFIGURATION, // configuration is invalid
VP8_ENC_ERROR_BAD_DIMENSION, // picture has invalid width/height
VP8_ENC_ERROR_PARTITION0_OVERFLOW, // partition is too bigger than 16M
VP8_ENC_ERROR_PARTITION_OVERFLOW, // partition is too bigger than 512k
VP8_ENC_ERROR_BAD_WRITE, // error while flushing bytes
} WebPEncodingError;
struct WebPPicture {
// input
WebPEncCSP colorspace; // colorspace: should be YUV420 for now (=Y'CbCr).
@ -175,6 +188,8 @@ struct WebPPicture {
// original samples (for non-YUV420 modes)
uint8_t *u0, *v0;
int uv0_stride;
WebPEncodingError error_code; // error code in case of problem.
};
// Internal, version-checked, entry point
@ -238,6 +253,7 @@ int WebPPictureImportBGRA(WebPPicture* const picture,
// 'picture' must be less than 16384x16384 in dimension, and the 'config' object
// must be a valid one.
// Returns false in case of error, true otherwise.
// In case of error, picture->error_code is updated accordingly.
int WebPEncode(const WebPConfig* const config, WebPPicture* const picture);
//-----------------------------------------------------------------------------