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AnimEncoder: Add a GetError() method.

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We now get error string instead of printing it.
The verbose option is now only used to print info and warnings.

Change-Id: I985c5acd427a9d1973068e7b7a8af5dd0d6d2585
This commit is contained in:
Urvang Joshi
2015-11-11 15:48:47 -08:00
parent 688b265d5e
commit c13245c7d8
3 changed files with 69 additions and 39 deletions
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20
src/webp/mux.h
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@ -21,7 +21,7 @@
extern "C" {
#endif
#define WEBP_MUX_ABI_VERSION 0x0105 // MAJOR(8b) + MINOR(8b)
#define WEBP_MUX_ABI_VERSION 0x0106 // MAJOR(8b) + MINOR(8b)
//------------------------------------------------------------------------------
// Mux API
@ -436,10 +436,8 @@ struct WebPAnimEncoderOptions {
// then all frames will be key-frames.
int allow_mixed; // If true, use mixed compression mode; may choose
// either lossy and lossless for each frame.
int verbose; // If true, print info and warning messages to stderr.
// TODO(urvang): Instead of printing errors to STDERR, we should have an error
// string attached to the encoder.
int verbose; // If true, print encoding info.
uint32_t padding[4]; // Padding for later use.
};
@ -508,10 +506,20 @@ WEBP_EXTERN(int) WebPAnimEncoderAdd(
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
// WebPAnimEncoderAdd() or WebPAnimEncoderAssemble() or WebPAnimEncoderDelete().
// Parameters:
// enc - (in/out) object from which the error string is to be fetched.
// 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);
// Deletes the WebPAnimEncoder object.
// Parameters:
// anim_enc - (in/out) object to be deleted
WEBP_EXTERN(void) WebPAnimEncoderDelete(WebPAnimEncoder* anim_enc);
// enc - (in/out) object to be deleted
WEBP_EXTERN(void) WebPAnimEncoderDelete(WebPAnimEncoder* enc);
//------------------------------------------------------------------------------