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Merge "AnimEncoder API: Remove AnimEncoderFrameOptions."

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This commit is contained in:
pascal massimino 2015-01-07 13:39:10 -08:00 committed by Gerrit Code Review
commit 856f8ec1fd
2 changed files with 23 additions and 38 deletions
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42
src/mux/anim_encode.c
View File

@ -271,13 +271,6 @@ void WebPAnimEncoderDelete(WebPAnimEncoder* enc) {
// -----------------------------------------------------------------------------
// Frame addition.
// Initialize frame options to reasonable defaults.
static void DefaultFrameOptions(
WebPAnimEncoderFrameOptions* const frame_options) {
WebPConfigInit(&frame_options->config);
frame_options->config.lossless = 1;
}
// Returns cached frame at the given 'position'.
static EncodedFrame* GetFrame(const WebPAnimEncoder* const enc,
size_t position) {
@ -798,16 +791,16 @@ static void PickBestCandidate(WebPAnimEncoder* const enc,
// Depending on the configuration, tries different compressions
// (lossy/lossless), dispose methods, blending methods etc to encode the current
// frame and outputs the best one in 'encoded_frame'.
static WebPEncodingError SetFrame(
WebPAnimEncoder* const enc, int duration,
const WebPAnimEncoderFrameOptions* const frame_options, int is_key_frame,
static WebPEncodingError SetFrame(WebPAnimEncoder* const enc, int duration,
const WebPConfig* const config,
int is_key_frame,
EncodedFrame* const encoded_frame) {
int i;
WebPEncodingError error_code = VP8_ENC_OK;
const WebPPicture* const curr_canvas = &enc->curr_canvas_copy_;
const WebPPicture* const prev_canvas = &enc->prev_canvas_;
Candidate candidates[CANDIDATE_COUNT];
const int is_lossless = frame_options->config.lossless;
const int is_lossless = config->lossless;
const int is_first_frame = enc->is_first_frame_;
int try_dispose_none = 1; // Default.
@ -826,8 +819,8 @@ static WebPEncodingError SetFrame(
FrameRect rect_bg;
WebPPicture sub_frame_bg;
WebPConfig config_ll = frame_options->config;
WebPConfig config_lossy = frame_options->config;
WebPConfig config_ll = *config;
WebPConfig config_lossy = *config;
config_ll.lossless = 1;
config_lossy.lossless = 0;
@ -903,7 +896,7 @@ static int64_t KeyFramePenalty(const EncodedFrame* const encoded_frame) {
}
static int CacheFrame(WebPAnimEncoder* const enc, int duration,
const WebPAnimEncoderFrameOptions* const frame_options) {
const WebPConfig* const config) {
int ok = 0;
WebPEncodingError error_code = VP8_ENC_OK;
const size_t position = enc->count_;
@ -913,7 +906,7 @@ static int CacheFrame(WebPAnimEncoder* const enc, int duration,
if (enc->is_first_frame_) { // Add this as a key-frame.
error_code =
SetFrame(enc, duration, frame_options, 1, encoded_frame);
SetFrame(enc, duration, config, 1, encoded_frame);
if (error_code != VP8_ENC_OK) {
goto End;
}
@ -926,7 +919,7 @@ static int CacheFrame(WebPAnimEncoder* const enc, int duration,
++enc->count_since_key_frame_;
if (enc->count_since_key_frame_ <= enc->options_.kmin) {
// Add this as a frame rectangle.
error_code = SetFrame(enc, duration, frame_options, 0, encoded_frame);
error_code = SetFrame(enc, duration, config, 0, encoded_frame);
if (error_code != VP8_ENC_OK) {
goto End;
}
@ -937,11 +930,11 @@ static int CacheFrame(WebPAnimEncoder* const enc, int duration,
int64_t curr_delta;
// Add this as a frame rectangle to enc.
error_code = SetFrame(enc, duration, frame_options, 0, encoded_frame);
error_code = SetFrame(enc, duration, config, 0, encoded_frame);
if (error_code != VP8_ENC_OK) goto End;
// Add this as a key-frame to enc, too.
error_code = SetFrame(enc, duration, frame_options, 1, encoded_frame);
error_code = SetFrame(enc, duration, config, 1, encoded_frame);
if (error_code != VP8_ENC_OK) goto End;
// Analyze size difference of the two variants.
@ -1040,8 +1033,8 @@ static int FlushFrames(WebPAnimEncoder* const enc) {
#undef KEYFRAME_NONE
int WebPAnimEncoderAdd(WebPAnimEncoder* enc, WebPPicture* frame, int duration,
const WebPAnimEncoderFrameOptions* frame_options) {
WebPAnimEncoderFrameOptions options;
const WebPConfig* encoder_config) {
WebPConfig config;
if (enc == NULL || frame == NULL) {
return 0;
}
@ -1054,17 +1047,18 @@ int WebPAnimEncoderAdd(WebPAnimEncoder* enc, WebPPicture* frame, int duration,
}
return 0;
}
if (frame_options != NULL) {
options = *frame_options;
if (encoder_config != NULL) {
config = *encoder_config;
} else {
DefaultFrameOptions(&options);
WebPConfigInit(&config);
config.lossless = 1;
}
assert(enc->curr_canvas_ == NULL);
enc->curr_canvas_ = frame; // Store reference.
assert(enc->curr_canvas_copy_modified_ == 1);
CopyCurrentCanvas(enc);
if (!CacheFrame(enc, duration, &options)) {
if (!CacheFrame(enc, duration, &config)) {
return 0;
}
if (!FlushFrames(enc)) {

15
src/webp/mux.h
View File

@ -401,7 +401,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxAssemble(WebPMux* mux,
/*
WebPAnimEncoder* enc = WebPAnimEncoderNew(width, height, enc_options);
while(<there are more frames>) {
WebPAnimEncoderAdd(enc, frame, duration, frame_options);
WebPAnimEncoderAdd(enc, frame, duration, config);
}
WebPAnimEncoderAssemble(enc, webp_data);
WebPAnimEncoderDelete(enc);
@ -431,15 +431,6 @@ typedef struct {
uint32_t padding[4]; // Padding for later use.
} WebPAnimEncoderOptions;
// Per-frame options.
typedef struct {
WebPConfig config; // Core encoding parameters.
// TODO(urvang): Add rectangle, dispose and blend method options. After adding
// them, we might need to add 'prev_frame_disposed' parameter to
// WebPAnimEncoderAdd as well.
uint32_t padding[8]; // Padding for later use.
} WebPAnimEncoderFrameOptions;
// Internal, version-checked, entry point.
WEBP_EXTERN(WebPAnimEncoder*) WebPAnimEncoderNewInternal(
int, int, const WebPAnimEncoderOptions*, int);
@ -464,14 +455,14 @@ static WEBP_INLINE WebPAnimEncoder* WebPAnimEncoderNew(
// enc - (in/out) object to which the frame is to be added.
// frame - (in/out) frame data in ARGB or YUVA format.
// duration - (in) frame duration
// frame_options - (in) frame options; can be passed NULL to pick
// config - (in) encoding options; can be passed NULL to pick
// reasonable defaults.
// Returns:
// On error, returns false and frame->error_code is set appropriately.
// Otherwise, returns true.
WEBP_EXTERN(int) WebPAnimEncoderAdd(
WebPAnimEncoder* enc, WebPPicture* frame, int duration,
const WebPAnimEncoderFrameOptions* frame_options);
const WebPConfig* config);
// Assemble all frames added so far into a WebP bitstream.
// Parameters: