mirror of
https://github.com/webmproject/libwebp.git
synced 2024-12-25 13:18:22 +01:00
mux struct naming
members of public structs should not have a trailing underscore. Change-Id: Ieef42e1da115bf42b0ea42159701e32bed7b9f60
This commit is contained in:
parent
6c66dde80f
commit
a077072777
@ -85,7 +85,7 @@ profile & XMP metadata.
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// Get data from mux in WebP RIFF format.
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WebPMuxAssemble(mux, &output_data);
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WebPMuxDelete(mux);
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// ... (Consume output_data; e.g. write output_data.bytes_ to file).
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// ... (Consume output_data; e.g. write output_data.bytes to file).
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WebPDataClear(&output_data);
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@ -178,17 +178,17 @@ static int Decode(int* const duration) {
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int ok = 0;
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ClearPreviousPic();
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if (iter->x_offset_ != 0 || iter->y_offset_ != 0) {
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if (iter->x_offset != 0 || iter->y_offset != 0) {
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fprintf(stderr,
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"Frame offsets not yet supported! Forcing offset to 0,0\n");
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}
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output_buffer->colorspace = MODE_RGBA;
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ok = (WebPDecode(iter->tile_.bytes_, iter->tile_.size_,
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ok = (WebPDecode(iter->tile.bytes, iter->tile.size,
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config) == VP8_STATUS_OK);
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if (!ok) {
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fprintf(stderr, "Decoding of frame #%d failed!\n", iter->frame_num_);
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fprintf(stderr, "Decoding of frame #%d failed!\n", iter->frame_num);
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} else {
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*duration = iter->duration_;
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*duration = iter->duration;
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kParams.pic = output_buffer;
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}
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return ok;
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@ -288,7 +288,7 @@ int main(int argc, char *argv[]) {
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}
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if (!ExUtilReadFile(kParams.file_name,
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&kParams.data.bytes_, &kParams.data.size_)) {
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&kParams.data.bytes, &kParams.data.size)) {
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goto Error;
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}
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@ -305,10 +305,10 @@ int main(int argc, char *argv[]) {
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if (!WebPDemuxGetFrame(kParams.dmux, 1, &kParams.frameiter)) goto Error;
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kParams.has_animation = (kParams.frameiter.num_frames_ > 1);
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kParams.has_animation = (kParams.frameiter.num_frames > 1);
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kParams.loop_count = (int)WebPDemuxGetI(kParams.dmux, WEBP_FF_LOOP_COUNT);
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printf("VP8X: Found %d images in file (loop count = %d)\n",
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kParams.frameiter.num_frames_, kParams.loop_count);
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kParams.frameiter.num_frames, kParams.loop_count);
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// Decode first frame
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{
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@ -215,10 +215,10 @@ static WebPMuxError DisplayInfo(const WebPMux* mux) {
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WebPMuxFrameInfo frame;
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err = WebPMuxGetFrame(mux, i, &frame);
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RETURN_IF_ERROR3("Failed to retrieve %s#%d\n", type_str, i);
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printf("%3d: %8d %8d ", i, frame.x_offset_, frame.y_offset_);
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if (is_anim) printf("%8d ", frame.duration_);
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printf("%10zu\n", frame.bitstream_.size_);
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WebPDataClear(&frame.bitstream_);
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printf("%3d: %8d %8d ", i, frame.x_offset, frame.y_offset);
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if (is_anim) printf("%8d ", frame.duration);
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printf("%10zu\n", frame.bitstream.size);
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WebPDataClear(&frame.bitstream);
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}
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}
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}
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@ -227,21 +227,21 @@ static WebPMuxError DisplayInfo(const WebPMux* mux) {
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WebPData icc_profile;
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err = WebPMuxGetChunk(mux, "ICCP", &icc_profile);
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RETURN_IF_ERROR("Failed to retrieve the color profile\n");
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printf("Size of the color profile data: %zu\n", icc_profile.size_);
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printf("Size of the color profile data: %zu\n", icc_profile.size);
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}
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if (flag & META_FLAG) {
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WebPData metadata;
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err = WebPMuxGetChunk(mux, "META", &metadata);
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RETURN_IF_ERROR("Failed to retrieve the metadata\n");
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printf("Size of the metadata: %zu\n", metadata.size_);
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printf("Size of the metadata: %zu\n", metadata.size);
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}
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if ((flag & ALPHA_FLAG) && !(flag & (ANIMATION_FLAG | TILE_FLAG))) {
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WebPMuxFrameInfo image;
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err = WebPMuxGetFrame(mux, 1, &image);
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RETURN_IF_ERROR("Failed to retrieve the image\n");
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printf("Size of the image (with alpha): %zu\n", image.bitstream_.size_);
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printf("Size of the image (with alpha): %zu\n", image.bitstream.size);
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}
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return WEBP_MUX_OK;
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@ -302,8 +302,8 @@ static int ReadFileToWebPData(const char* const filename,
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const uint8_t* data;
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size_t size;
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if (!ExUtilReadFile(filename, &data, &size)) return 0;
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webp_data->bytes_ = data;
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webp_data->size_ = size;
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webp_data->bytes = data;
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webp_data->size = size;
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return 1;
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}
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@ -312,7 +312,7 @@ static int CreateMux(const char* const filename, WebPMux** mux) {
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assert(mux != NULL);
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if (!ReadFileToWebPData(filename, &bitstream)) return 0;
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*mux = WebPMuxCreate(&bitstream, 1);
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free((void*)bitstream.bytes_);
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free((void*)bitstream.bytes);
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if (*mux != NULL) return 1;
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fprintf(stderr, "Failed to create mux object from file %s.\n", filename);
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return 0;
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@ -325,10 +325,10 @@ static int WriteData(const char* filename, const WebPData* const webpdata) {
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fprintf(stderr, "Error opening output WebP file %s!\n", filename);
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return 0;
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}
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if (fwrite(webpdata->bytes_, webpdata->size_, 1, fout) != 1) {
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if (fwrite(webpdata->bytes, webpdata->size, 1, fout) != 1) {
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fprintf(stderr, "Error writing file %s!\n", filename);
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} else {
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fprintf(stderr, "Saved file %s (%zu bytes)\n", filename, webpdata->size_);
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fprintf(stderr, "Saved file %s (%zu bytes)\n", filename, webpdata->size);
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ok = 1;
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}
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if (fout != stdout) fclose(fout);
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@ -350,11 +350,11 @@ static int WriteWebP(WebPMux* const mux, const char* filename) {
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static int ParseFrameArgs(const char* args, WebPMuxFrameInfo* const info) {
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return (sscanf(args, "+%d+%d+%d",
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&info->x_offset_, &info->y_offset_, &info->duration_) == 3);
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&info->x_offset, &info->y_offset, &info->duration) == 3);
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}
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static int ParseTileArgs(const char* args, WebPMuxFrameInfo* const info) {
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return (sscanf(args, "+%d+%d", &info->x_offset_, &info->y_offset_) == 2);
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return (sscanf(args, "+%d+%d", &info->x_offset, &info->y_offset) == 2);
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}
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//------------------------------------------------------------------------------
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@ -686,7 +686,7 @@ static int GetFrameTile(const WebPMux* mux,
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int ok = 1;
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const WebPChunkId id = isFrame ? WEBP_CHUNK_ANMF : WEBP_CHUNK_FRGM;
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WebPMuxFrameInfo info;
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WebPDataInit(&info.bitstream_);
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WebPDataInit(&info.bitstream);
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num = strtol(config->feature_.args_[0].params_, NULL, 10);
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if (num < 0) {
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@ -706,7 +706,7 @@ static int GetFrameTile(const WebPMux* mux,
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ERROR_GOTO2("ERROR (%s): Could not allocate a mux object.\n",
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ErrorString(err), ErrGet);
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}
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err = WebPMuxSetImage(mux_single, &info.bitstream_, 1);
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err = WebPMuxSetImage(mux_single, &info.bitstream, 1);
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if (err != WEBP_MUX_OK) {
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ERROR_GOTO2("ERROR (%s): Could not create single image mux object.\n",
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ErrorString(err), ErrGet);
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@ -715,7 +715,7 @@ static int GetFrameTile(const WebPMux* mux,
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ok = WriteWebP(mux_single, config->output_);
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ErrGet:
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WebPDataClear(&info.bitstream_);
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WebPDataClear(&info.bitstream);
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WebPMuxDelete(mux_single);
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return ok;
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}
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@ -787,16 +787,16 @@ static int Process(const WebPMuxConfig* config) {
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} else if (feature->args_[index].subtype_ == SUBTYPE_FRM) {
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WebPMuxFrameInfo frame;
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ok = ReadFileToWebPData(feature->args_[index].filename_,
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&frame.bitstream_);
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&frame.bitstream);
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if (!ok) goto Err2;
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ok = ParseFrameArgs(feature->args_[index].params_, &frame);
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if (!ok) {
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WebPDataClear(&frame.bitstream_);
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WebPDataClear(&frame.bitstream);
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ERROR_GOTO1("ERROR: Could not parse frame properties.\n", Err2);
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}
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frame.id = WEBP_CHUNK_ANMF;
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err = WebPMuxPushFrame(mux, &frame, 1);
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WebPDataClear(&frame.bitstream_);
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WebPDataClear(&frame.bitstream);
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if (err != WEBP_MUX_OK) {
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ERROR_GOTO3("ERROR (%s): Could not add a frame at index %d.\n",
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ErrorString(err), index, Err2);
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@ -816,16 +816,16 @@ static int Process(const WebPMuxConfig* config) {
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for (index = 0; index < feature->arg_count_; ++index) {
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WebPMuxFrameInfo tile;
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ok = ReadFileToWebPData(feature->args_[index].filename_,
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&tile.bitstream_);
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&tile.bitstream);
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if (!ok) goto Err2;
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ok = ParseTileArgs(feature->args_[index].params_, &tile);
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if (!ok) {
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WebPDataClear(&tile.bitstream_);
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WebPDataClear(&tile.bitstream);
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ERROR_GOTO1("ERROR: Could not parse tile properties.\n", Err2);
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}
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tile.id = WEBP_CHUNK_FRGM;
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err = WebPMuxPushFrame(mux, &tile, 1);
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WebPDataClear(&tile.bitstream_);
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WebPDataClear(&tile.bitstream);
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if (err != WEBP_MUX_OK) {
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ERROR_GOTO3("ERROR (%s): Could not add a tile at index %d.\n",
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ErrorString(err), index, Err2);
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@ -839,7 +839,7 @@ static int Process(const WebPMuxConfig* config) {
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ok = ReadFileToWebPData(feature->args_[0].filename_, &color_profile);
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if (!ok) goto Err2;
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err = WebPMuxSetChunk(mux, "ICCP", &color_profile, 1);
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free((void*)color_profile.bytes_);
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free((void*)color_profile.bytes);
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if (err != WEBP_MUX_OK) {
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ERROR_GOTO2("ERROR (%s): Could not set color profile.\n",
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ErrorString(err), Err2);
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@ -852,7 +852,7 @@ static int Process(const WebPMuxConfig* config) {
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ok = ReadFileToWebPData(feature->args_[0].filename_, &metadata);
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if (!ok) goto Err2;
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err = WebPMuxSetChunk(mux, "META", &metadata, 1);
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free((void*)metadata.bytes_);
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free((void*)metadata.bytes);
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if (err != WEBP_MUX_OK) {
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ERROR_GOTO2("ERROR (%s): Could not set the metadata.\n",
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ErrorString(err), Err2);
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@ -632,9 +632,9 @@ WebPDemuxer* WebPDemuxInternal(const WebPData* data, int allow_partial,
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WebPDemuxer* dmux;
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if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DEMUX_ABI_VERSION)) return NULL;
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if (data == NULL || data->bytes_ == NULL || data->size_ == 0) return NULL;
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if (data == NULL || data->bytes == NULL || data->size == 0) return NULL;
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if (!InitMemBuffer(&mem, data->bytes_, data->size_)) return NULL;
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if (!InitMemBuffer(&mem, data->bytes, data->size)) return NULL;
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if (!ReadHeader(&mem)) return NULL;
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partial = (mem.buf_size_ < mem.riff_end_);
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@ -755,18 +755,18 @@ static int SynthesizeFrame(const WebPDemuxer* const dmux,
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const uint8_t* const payload = GetFramePayload(mem_buf, tile, &payload_size);
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if (payload == NULL) return 0;
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iter->frame_num_ = first_frame->frame_num_;
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iter->num_frames_ = dmux->num_frames_;
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iter->tile_num_ = tile_num;
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iter->num_tiles_ = num_tiles;
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iter->x_offset_ = tile->x_offset_;
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iter->y_offset_ = tile->y_offset_;
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iter->width_ = tile->width_;
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iter->height_ = tile->height_;
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iter->duration_ = tile->duration_;
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iter->complete_ = tile->complete_;
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iter->tile_.bytes_ = payload;
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iter->tile_.size_ = payload_size;
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iter->frame_num = first_frame->frame_num_;
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iter->num_frames = dmux->num_frames_;
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iter->tile_num = tile_num;
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iter->num_tiles = num_tiles;
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iter->x_offset = tile->x_offset_;
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iter->y_offset = tile->y_offset_;
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iter->width = tile->width_;
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iter->height = tile->height_;
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iter->duration = tile->duration_;
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iter->complete = tile->complete_;
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iter->tile.bytes = payload;
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iter->tile.size = payload_size;
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// TODO(jzern): adjust offsets for 'FRGM's embedded in 'ANMF's
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return 1;
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}
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@ -792,19 +792,19 @@ int WebPDemuxGetFrame(const WebPDemuxer* dmux, int frame, WebPIterator* iter) {
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int WebPDemuxNextFrame(WebPIterator* iter) {
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if (iter == NULL) return 0;
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return SetFrame(iter->frame_num_ + 1, iter);
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return SetFrame(iter->frame_num + 1, iter);
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}
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int WebPDemuxPrevFrame(WebPIterator* iter) {
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if (iter == NULL) return 0;
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if (iter->frame_num_ <= 1) return 0;
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return SetFrame(iter->frame_num_ - 1, iter);
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if (iter->frame_num <= 1) return 0;
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return SetFrame(iter->frame_num - 1, iter);
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}
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int WebPDemuxSelectTile(WebPIterator* iter, int tile) {
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if (iter != NULL && iter->private_ != NULL && tile > 0) {
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const WebPDemuxer* const dmux = (WebPDemuxer*)iter->private_;
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const Frame* const frame = GetFrame(dmux, iter->frame_num_);
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const Frame* const frame = GetFrame(dmux, iter->frame_num);
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if (frame == NULL) return 0;
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return SynthesizeFrame(dmux, frame, tile, iter);
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@ -856,10 +856,10 @@ static int SetChunk(const char fourcc[4], int chunk_num,
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if (chunk_num <= count) {
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const uint8_t* const mem_buf = dmux->mem_.buf_;
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const Chunk* const chunk = GetChunk(dmux, fourcc, chunk_num);
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iter->chunk_.bytes_ = mem_buf + chunk->data_.offset_ + CHUNK_HEADER_SIZE;
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iter->chunk_.size_ = chunk->data_.size_ - CHUNK_HEADER_SIZE;
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iter->num_chunks_ = count;
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iter->chunk_num_ = chunk_num;
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iter->chunk.bytes = mem_buf + chunk->data_.offset_ + CHUNK_HEADER_SIZE;
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iter->chunk.size = chunk->data_.size_ - CHUNK_HEADER_SIZE;
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iter->num_chunks = count;
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iter->chunk_num = chunk_num;
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return 1;
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}
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return 0;
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@ -878,17 +878,17 @@ int WebPDemuxGetChunk(const WebPDemuxer* dmux,
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int WebPDemuxNextChunk(WebPChunkIterator* iter) {
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if (iter != NULL) {
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const char* const fourcc =
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(const char*)iter->chunk_.bytes_ - CHUNK_HEADER_SIZE;
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return SetChunk(fourcc, iter->chunk_num_ + 1, iter);
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(const char*)iter->chunk.bytes - CHUNK_HEADER_SIZE;
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return SetChunk(fourcc, iter->chunk_num + 1, iter);
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}
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return 0;
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}
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int WebPDemuxPrevChunk(WebPChunkIterator* iter) {
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if (iter != NULL && iter->chunk_num_ > 1) {
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if (iter != NULL && iter->chunk_num > 1) {
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const char* const fourcc =
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(const char*)iter->chunk_.bytes_ - CHUNK_HEADER_SIZE;
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return SetChunk(fourcc, iter->chunk_num_ - 1, iter);
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(const char*)iter->chunk.bytes - CHUNK_HEADER_SIZE;
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return SetChunk(fourcc, iter->chunk_num - 1, iter);
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}
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return 0;
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}
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@ -83,11 +83,11 @@ static WebPMuxError MuxSet(WebPMux* const mux, CHUNK_INDEX idx, uint32_t nth,
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SWITCH_ID_LIST(IDX_ICCP, &mux->iccp_);
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SWITCH_ID_LIST(IDX_LOOP, &mux->loop_);
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SWITCH_ID_LIST(IDX_META, &mux->meta_);
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if (idx == IDX_UNKNOWN && data->size_ > TAG_SIZE) {
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if (idx == IDX_UNKNOWN && data->size > TAG_SIZE) {
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// For raw-data unknown chunk, the first four bytes should be the tag to be
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// used for the chunk.
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const WebPData tmp = { data->bytes_ + TAG_SIZE, data->size_ - TAG_SIZE };
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err = ChunkAssignData(&chunk, &tmp, copy_data, GetLE32(data->bytes_ + 0));
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const WebPData tmp = { data->bytes + TAG_SIZE, data->size - TAG_SIZE };
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err = ChunkAssignData(&chunk, &tmp, copy_data, GetLE32(data->bytes + 0));
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if (err == WEBP_MUX_OK)
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err = ChunkSetNth(&chunk, &mux->unknown_, nth);
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}
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@ -118,8 +118,8 @@ static WebPMuxError CreateFrameTileData(const WebPData* const image,
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const size_t frame_tile_size = kChunks[is_frame ? IDX_ANMF : IDX_FRGM].size;
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const int ok = is_lossless ?
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VP8LGetInfo(image->bytes_, image->size_, &width, &height, NULL) :
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VP8GetInfo(image->bytes_, image->size_, image->size_, &width, &height);
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VP8LGetInfo(image->bytes, image->size, &width, &height, NULL) :
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VP8GetInfo(image->bytes, image->size, image->size, &width, &height);
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if (!ok) return WEBP_MUX_INVALID_ARGUMENT;
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assert(width > 0 && height > 0 && duration > 0);
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@ -137,8 +137,8 @@ static WebPMuxError CreateFrameTileData(const WebPData* const image,
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PutLE24(frame_tile_bytes + 12, duration - 1);
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}
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frame_tile->bytes_ = frame_tile_bytes;
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frame_tile->size_ = frame_tile_size;
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frame_tile->bytes = frame_tile_bytes;
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frame_tile->size = frame_tile_size;
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return WEBP_MUX_OK;
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}
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@ -149,8 +149,8 @@ static WebPMuxError GetImageData(const WebPData* const bitstream,
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WebPData* const image, WebPData* const alpha,
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int* const is_lossless) {
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WebPDataInit(alpha); // Default: no alpha.
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if (bitstream->size_ < TAG_SIZE ||
|
||||
memcmp(bitstream->bytes_, "RIFF", TAG_SIZE)) {
|
||||
if (bitstream->size < TAG_SIZE ||
|
||||
memcmp(bitstream->bytes, "RIFF", TAG_SIZE)) {
|
||||
// It is NOT webp file data. Return input data as is.
|
||||
*image = *bitstream;
|
||||
} else {
|
||||
@ -166,7 +166,7 @@ static WebPMuxError GetImageData(const WebPData* const bitstream,
|
||||
}
|
||||
WebPMuxDelete(mux);
|
||||
}
|
||||
*is_lossless = VP8LCheckSignature(image->bytes_, image->size_);
|
||||
*is_lossless = VP8LCheckSignature(image->bytes, image->size);
|
||||
return WEBP_MUX_OK;
|
||||
}
|
||||
|
||||
@ -210,8 +210,8 @@ WebPMuxError WebPMuxSetChunk(WebPMux* mux, const char fourcc[4],
|
||||
const CHUNK_INDEX idx = ChunkGetIndexFromFourCC(fourcc);
|
||||
const uint32_t tag = ChunkGetTagFromFourCC(fourcc);
|
||||
WebPMuxError err;
|
||||
if (mux == NULL || chunk_data == NULL || chunk_data->bytes_ == NULL ||
|
||||
chunk_data->size_ > MAX_CHUNK_PAYLOAD) {
|
||||
if (mux == NULL || chunk_data == NULL || chunk_data->bytes == NULL ||
|
||||
chunk_data->size > MAX_CHUNK_PAYLOAD) {
|
||||
return WEBP_MUX_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
@ -250,7 +250,7 @@ static WebPMuxError SetAlphaAndImageChunks(
|
||||
const int image_tag =
|
||||
is_lossless ? kChunks[IDX_VP8L].tag : kChunks[IDX_VP8].tag;
|
||||
if (err != WEBP_MUX_OK) return err;
|
||||
if (alpha.bytes_ != NULL) {
|
||||
if (alpha.bytes != NULL) {
|
||||
err = AddDataToChunkList(&alpha, copy_data, kChunks[IDX_ALPHA].tag,
|
||||
&wpi->alpha_);
|
||||
if (err != WEBP_MUX_OK) return err;
|
||||
@ -264,8 +264,8 @@ WebPMuxError WebPMuxSetImage(WebPMux* mux, const WebPData* bitstream,
|
||||
WebPMuxError err;
|
||||
|
||||
// Sanity checks.
|
||||
if (mux == NULL || bitstream == NULL || bitstream->bytes_ == NULL ||
|
||||
bitstream->size_ > MAX_CHUNK_PAYLOAD) {
|
||||
if (mux == NULL || bitstream == NULL || bitstream->bytes == NULL ||
|
||||
bitstream->size > MAX_CHUNK_PAYLOAD) {
|
||||
return WEBP_MUX_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
@ -295,7 +295,7 @@ WebPMuxError WebPMuxPushFrame(WebPMux* mux, const WebPMuxFrameInfo* frame,
|
||||
WebPMuxImage wpi;
|
||||
WebPMuxError err;
|
||||
int is_frame;
|
||||
const WebPData* const bitstream = &frame->bitstream_;
|
||||
const WebPData* const bitstream = &frame->bitstream;
|
||||
|
||||
// Sanity checks.
|
||||
if (mux == NULL || frame == NULL) return WEBP_MUX_INVALID_ARGUMENT;
|
||||
@ -305,7 +305,7 @@ WebPMuxError WebPMuxPushFrame(WebPMux* mux, const WebPMuxFrameInfo* frame,
|
||||
return WEBP_MUX_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
if (bitstream->bytes_ == NULL || bitstream->size_ > MAX_CHUNK_PAYLOAD) {
|
||||
if (bitstream->bytes == NULL || bitstream->size > MAX_CHUNK_PAYLOAD) {
|
||||
return WEBP_MUX_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
@ -325,9 +325,9 @@ WebPMuxError WebPMuxPushFrame(WebPMux* mux, const WebPMuxFrameInfo* frame,
|
||||
|
||||
{
|
||||
const int is_lossless = (wpi.img_->tag_ == kChunks[IDX_VP8L].tag);
|
||||
const int x_offset = frame->x_offset_ & ~1; // Snap offsets to even.
|
||||
const int y_offset = frame->y_offset_ & ~1;
|
||||
const int duration = is_frame ? frame->duration_ : 1 /* unused */;
|
||||
const int x_offset = frame->x_offset & ~1; // Snap offsets to even.
|
||||
const int y_offset = frame->y_offset & ~1;
|
||||
const int duration = is_frame ? frame->duration : 1 /* unused */;
|
||||
const uint32_t tag = kChunks[is_frame ? IDX_ANMF : IDX_FRGM].tag;
|
||||
WebPData frame_tile;
|
||||
if (x_offset < 0 || x_offset >= MAX_POSITION_OFFSET ||
|
||||
@ -398,11 +398,11 @@ static WebPMuxError GetFrameTileInfo(const WebPChunk* const frame_tile_chunk,
|
||||
is_frame ? ANMF_CHUNK_SIZE : FRGM_CHUNK_SIZE;
|
||||
assert(frame_tile_chunk != NULL);
|
||||
assert(tag == kChunks[IDX_ANMF].tag || tag == kChunks[IDX_FRGM].tag);
|
||||
if (data->size_ != expected_data_size) return WEBP_MUX_INVALID_ARGUMENT;
|
||||
if (data->size != expected_data_size) return WEBP_MUX_INVALID_ARGUMENT;
|
||||
|
||||
*x_offset = 2 * GetLE24(data->bytes_ + 0);
|
||||
*y_offset = 2 * GetLE24(data->bytes_ + 3);
|
||||
if (is_frame) *duration = 1 + GetLE24(data->bytes_ + 12);
|
||||
*x_offset = 2 * GetLE24(data->bytes + 0);
|
||||
*y_offset = 2 * GetLE24(data->bytes + 3);
|
||||
if (is_frame) *duration = 1 + GetLE24(data->bytes + 12);
|
||||
return WEBP_MUX_OK;
|
||||
}
|
||||
|
||||
@ -415,8 +415,8 @@ WebPMuxError MuxGetImageWidthHeight(const WebPChunk* const image_chunk,
|
||||
assert(image_chunk != NULL);
|
||||
assert(tag == kChunks[IDX_VP8].tag || tag == kChunks[IDX_VP8L].tag);
|
||||
ok = (tag == kChunks[IDX_VP8].tag) ?
|
||||
VP8GetInfo(data->bytes_, data->size_, data->size_, &w, &h) :
|
||||
VP8LGetInfo(data->bytes_, data->size_, &w, &h, NULL);
|
||||
VP8GetInfo(data->bytes, data->size, data->size, &w, &h) :
|
||||
VP8LGetInfo(data->bytes, data->size, &w, &h, NULL);
|
||||
if (ok) {
|
||||
*width = w;
|
||||
*height = h;
|
||||
@ -512,7 +512,7 @@ static WebPMuxError CreateVP8XChunk(WebPMux* const mux) {
|
||||
assert(mux != NULL);
|
||||
images = mux->images_; // First image.
|
||||
if (images == NULL || images->img_ == NULL ||
|
||||
images->img_->data_.bytes_ == NULL) {
|
||||
images->img_->data_.bytes == NULL) {
|
||||
return WEBP_MUX_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
@ -522,11 +522,11 @@ static WebPMuxError CreateVP8XChunk(WebPMux* const mux) {
|
||||
if (err != WEBP_MUX_OK && err != WEBP_MUX_NOT_FOUND) return err;
|
||||
|
||||
// Set flags.
|
||||
if (mux->iccp_ != NULL && mux->iccp_->data_.bytes_ != NULL) {
|
||||
if (mux->iccp_ != NULL && mux->iccp_->data_.bytes != NULL) {
|
||||
flags |= ICCP_FLAG;
|
||||
}
|
||||
|
||||
if (mux->meta_ != NULL && mux->meta_->data_.bytes_ != NULL) {
|
||||
if (mux->meta_ != NULL && mux->meta_->data_.bytes != NULL) {
|
||||
flags |= META_FLAG;
|
||||
}
|
||||
|
||||
@ -631,8 +631,8 @@ WebPMuxError WebPMuxAssemble(WebPMux* mux, WebPData* assembled_data) {
|
||||
}
|
||||
|
||||
// Finalize.
|
||||
assembled_data->bytes_ = data;
|
||||
assembled_data->size_ = size;
|
||||
assembled_data->bytes = data;
|
||||
assembled_data->size = size;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
@ -167,7 +167,7 @@ WebPChunk* ChunkDelete(WebPChunk* const chunk);
|
||||
|
||||
// Size of a chunk including header and padding.
|
||||
static WEBP_INLINE size_t ChunkDiskSize(const WebPChunk* chunk) {
|
||||
const size_t data_size = chunk->data_.size_;
|
||||
const size_t data_size = chunk->data_.size;
|
||||
assert(data_size < MAX_CHUNK_PAYLOAD);
|
||||
return SizeWithPadding(data_size);
|
||||
}
|
||||
|
@ -143,10 +143,10 @@ WebPMuxError ChunkAssignData(WebPChunk* chunk, const WebPData* const data,
|
||||
if (data != NULL) {
|
||||
if (copy_data) {
|
||||
// Copy data.
|
||||
chunk->data_.bytes_ = (uint8_t*)malloc(data->size_);
|
||||
if (chunk->data_.bytes_ == NULL) return WEBP_MUX_MEMORY_ERROR;
|
||||
memcpy((uint8_t*)chunk->data_.bytes_, data->bytes_, data->size_);
|
||||
chunk->data_.size_ = data->size_;
|
||||
chunk->data_.bytes = (uint8_t*)malloc(data->size);
|
||||
if (chunk->data_.bytes == NULL) return WEBP_MUX_MEMORY_ERROR;
|
||||
memcpy((uint8_t*)chunk->data_.bytes, data->bytes, data->size);
|
||||
chunk->data_.size = data->size;
|
||||
|
||||
// Chunk is owner of data.
|
||||
chunk->owner_ = 1;
|
||||
@ -199,13 +199,13 @@ size_t ChunksListDiskSize(const WebPChunk* chunk_list) {
|
||||
}
|
||||
|
||||
static uint8_t* ChunkEmit(const WebPChunk* const chunk, uint8_t* dst) {
|
||||
const size_t chunk_size = chunk->data_.size_;
|
||||
const size_t chunk_size = chunk->data_.size;
|
||||
assert(chunk);
|
||||
assert(chunk->tag_ != NIL_TAG);
|
||||
PutLE32(dst + 0, chunk->tag_);
|
||||
PutLE32(dst + TAG_SIZE, (uint32_t)chunk_size);
|
||||
assert(chunk_size == (uint32_t)chunk_size);
|
||||
memcpy(dst + CHUNK_HEADER_SIZE, chunk->data_.bytes_, chunk_size);
|
||||
memcpy(dst + CHUNK_HEADER_SIZE, chunk->data_.bytes, chunk_size);
|
||||
if (chunk_size & 1)
|
||||
dst[CHUNK_HEADER_SIZE + chunk_size] = 0; // Add padding.
|
||||
return dst + ChunkDiskSize(chunk);
|
||||
@ -230,7 +230,7 @@ void WebPDataInit(WebPData* webp_data) {
|
||||
|
||||
void WebPDataClear(WebPData* webp_data) {
|
||||
if (webp_data != NULL) {
|
||||
free((void*)webp_data->bytes_);
|
||||
free((void*)webp_data->bytes);
|
||||
WebPDataInit(webp_data);
|
||||
}
|
||||
}
|
||||
@ -239,11 +239,11 @@ int WebPDataCopy(const WebPData* src, WebPData* dst) {
|
||||
if (src == NULL || dst == NULL) return 0;
|
||||
|
||||
WebPDataInit(dst);
|
||||
if (src->bytes_ != NULL && src->size_ != 0) {
|
||||
dst->bytes_ = (uint8_t*)malloc(src->size_);
|
||||
if (dst->bytes_ == NULL) return 0;
|
||||
memcpy((void*)dst->bytes_, src->bytes_, src->size_);
|
||||
dst->size_ = src->size_;
|
||||
if (src->bytes != NULL && src->size != 0) {
|
||||
dst->bytes = (uint8_t*)malloc(src->size);
|
||||
if (dst->bytes == NULL) return 0;
|
||||
memcpy((void*)dst->bytes, src->bytes, src->size);
|
||||
dst->size = src->size;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
@ -68,8 +68,8 @@ static WebPMuxError ChunkVerifyAndAssignData(WebPChunk* chunk,
|
||||
}
|
||||
|
||||
// Data assignment.
|
||||
chunk_data.bytes_ = data + CHUNK_HEADER_SIZE;
|
||||
chunk_data.size_ = chunk_size;
|
||||
chunk_data.bytes = data + CHUNK_HEADER_SIZE;
|
||||
chunk_data.size = chunk_size;
|
||||
return ChunkAssignData(chunk, &chunk_data, copy_data, GetLE32(data + 0));
|
||||
}
|
||||
|
||||
@ -94,8 +94,8 @@ WebPMux* WebPMuxCreateInternal(const WebPData* bitstream, int copy_data,
|
||||
}
|
||||
if (bitstream == NULL) return NULL;
|
||||
|
||||
data = bitstream->bytes_;
|
||||
size = bitstream->size_;
|
||||
data = bitstream->bytes;
|
||||
size = bitstream->size;
|
||||
|
||||
if (data == NULL) return NULL;
|
||||
if (size < RIFF_HEADER_SIZE) return NULL;
|
||||
@ -207,10 +207,10 @@ WebPMuxError WebPMuxGetFeatures(const WebPMux* mux, uint32_t* flags) {
|
||||
return err;
|
||||
}
|
||||
|
||||
if (data.size_ < CHUNK_SIZE_BYTES) return WEBP_MUX_BAD_DATA;
|
||||
if (data.size < CHUNK_SIZE_BYTES) return WEBP_MUX_BAD_DATA;
|
||||
|
||||
// All OK. Fill up flags.
|
||||
*flags = GetLE32(data.bytes_);
|
||||
*flags = GetLE32(data.bytes);
|
||||
return WEBP_MUX_OK;
|
||||
}
|
||||
|
||||
@ -264,8 +264,8 @@ static WebPMuxError SynthesizeBitstream(const WebPMuxImage* const wpi,
|
||||
assert(dst == data + size);
|
||||
|
||||
// Output.
|
||||
bitstream->bytes_ = data;
|
||||
bitstream->size_ = size;
|
||||
bitstream->bytes = data;
|
||||
bitstream->size = size;
|
||||
return WEBP_MUX_OK;
|
||||
}
|
||||
|
||||
@ -289,12 +289,12 @@ WebPMuxError WebPMuxGetChunk(const WebPMux* mux, const char fourcc[4],
|
||||
static WebPMuxError MuxGetImageInternal(const WebPMuxImage* const wpi,
|
||||
WebPMuxFrameInfo* const info) {
|
||||
// Set some defaults for unrelated fields.
|
||||
info->x_offset_ = 0;
|
||||
info->y_offset_ = 0;
|
||||
info->duration_ = 1;
|
||||
info->x_offset = 0;
|
||||
info->y_offset = 0;
|
||||
info->duration = 1;
|
||||
// Extract data for related fields.
|
||||
info->id = ChunkGetIdFromTag(wpi->img_->tag_);
|
||||
return SynthesizeBitstream(wpi, &info->bitstream_);
|
||||
return SynthesizeBitstream(wpi, &info->bitstream);
|
||||
}
|
||||
|
||||
static WebPMuxError MuxGetFrameTileInternal(const WebPMuxImage* const wpi,
|
||||
@ -305,13 +305,13 @@ static WebPMuxError MuxGetFrameTileInternal(const WebPMuxImage* const wpi,
|
||||
assert(wpi->header_ != NULL); // Already checked by WebPMuxGetFrame().
|
||||
// Get frame/tile chunk.
|
||||
frame_tile_data = &wpi->header_->data_;
|
||||
if (frame_tile_data->size_ < kChunks[idx].size) return WEBP_MUX_BAD_DATA;
|
||||
if (frame_tile_data->size < kChunks[idx].size) return WEBP_MUX_BAD_DATA;
|
||||
// Extract info.
|
||||
frame->x_offset_ = 2 * GetLE24(frame_tile_data->bytes_ + 0);
|
||||
frame->y_offset_ = 2 * GetLE24(frame_tile_data->bytes_ + 3);
|
||||
frame->duration_ = is_frame ? 1 + GetLE24(frame_tile_data->bytes_ + 12) : 1;
|
||||
frame->x_offset = 2 * GetLE24(frame_tile_data->bytes + 0);
|
||||
frame->y_offset = 2 * GetLE24(frame_tile_data->bytes + 3);
|
||||
frame->duration = is_frame ? 1 + GetLE24(frame_tile_data->bytes + 12) : 1;
|
||||
frame->id = ChunkGetIdFromTag(wpi->header_->tag_);
|
||||
return SynthesizeBitstream(wpi, &frame->bitstream_);
|
||||
return SynthesizeBitstream(wpi, &frame->bitstream);
|
||||
}
|
||||
|
||||
WebPMuxError WebPMuxGetFrame(
|
||||
@ -344,8 +344,8 @@ WebPMuxError WebPMuxGetLoopCount(const WebPMux* mux, int* loop_count) {
|
||||
|
||||
err = MuxGet(mux, IDX_LOOP, 1, &image);
|
||||
if (err != WEBP_MUX_OK) return err;
|
||||
if (image.size_ < kChunks[WEBP_CHUNK_LOOP].size) return WEBP_MUX_BAD_DATA;
|
||||
*loop_count = GetLE16(image.bytes_);
|
||||
if (image.size < kChunks[WEBP_CHUNK_LOOP].size) return WEBP_MUX_BAD_DATA;
|
||||
*loop_count = GetLE16(image.bytes);
|
||||
|
||||
return WEBP_MUX_OK;
|
||||
}
|
||||
|
@ -27,7 +27,7 @@
|
||||
// // Get data from mux in WebP RIFF format.
|
||||
// WebPMuxAssemble(mux, &output_data);
|
||||
// WebPMuxDelete(mux);
|
||||
// // ... (Consume output_data; e.g. write output_data.bytes_ to file).
|
||||
// // ... (Consume output_data; e.g. write output_data.bytes to file).
|
||||
// WebPDataClear(&output_data);
|
||||
//
|
||||
// Code Example#2: Get image and color profile data from a WebP file.
|
||||
@ -106,8 +106,8 @@ enum WebPChunkId {
|
||||
// Data type used to describe 'raw' data, e.g., chunk data
|
||||
// (ICC profile, metadata) and WebP compressed image data.
|
||||
struct WebPData {
|
||||
const uint8_t* bytes_;
|
||||
size_t size_;
|
||||
const uint8_t* bytes;
|
||||
size_t size;
|
||||
};
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
@ -220,15 +220,15 @@ WEBP_EXTERN(WebPMuxError) WebPMuxDeleteChunk(
|
||||
|
||||
// Encapsulates data about a single frame/tile.
|
||||
struct WebPMuxFrameInfo {
|
||||
WebPData bitstream_; // image data: can either be a raw VP8/VP8L bitstream
|
||||
// or a single-image WebP file.
|
||||
int x_offset_; // x-offset of the frame.
|
||||
int y_offset_; // y-offset of the frame.
|
||||
int duration_; // duration of the frame (in milliseconds).
|
||||
WebPData bitstream; // image data: can either be a raw VP8/VP8L bitstream
|
||||
// or a single-image WebP file.
|
||||
int x_offset; // x-offset of the frame.
|
||||
int y_offset; // y-offset of the frame.
|
||||
int duration; // duration of the frame (in milliseconds).
|
||||
|
||||
WebPChunkId id; // frame type: should be one of WEBP_CHUNK_ANMF,
|
||||
// WEBP_CHUNK_FRGM or WEBP_CHUNK_IMAGE
|
||||
uint32_t pad[3]; // padding for later use
|
||||
WebPChunkId id; // frame type: should be one of WEBP_CHUNK_ANMF,
|
||||
// WEBP_CHUNK_FRGM or WEBP_CHUNK_IMAGE
|
||||
uint32_t pad[3]; // padding for later use
|
||||
};
|
||||
|
||||
// Sets the (non-animated and non-tiled) image in the mux object.
|
||||
@ -267,7 +267,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxPushFrame(
|
||||
WebPMux* mux, const WebPMuxFrameInfo* frame, int copy_data);
|
||||
|
||||
// Gets the nth frame from the mux object.
|
||||
// The content of 'frame->bitstream_' is allocated using malloc(), and NOT
|
||||
// The content of 'frame->bitstream' is allocated using malloc(), and NOT
|
||||
// owned by the 'mux' object. It MUST be deallocated by the caller by calling
|
||||
// WebPDataClear().
|
||||
// nth=0 has a special meaning - last position.
|
||||
@ -424,19 +424,19 @@ WEBP_EXTERN(uint32_t) WebPDemuxGetI(
|
||||
// Frame iteration.
|
||||
|
||||
struct WebPIterator {
|
||||
int frame_num_;
|
||||
int num_frames_;
|
||||
int tile_num_;
|
||||
int num_tiles_;
|
||||
int x_offset_, y_offset_; // offset relative to the canvas.
|
||||
int width_, height_; // dimensions of this frame or tile.
|
||||
int duration_; // display duration in milliseconds.
|
||||
int complete_; // true if 'tile_' contains a full frame. partial images may
|
||||
// still be decoded with the WebP incremental decoder.
|
||||
WebPData tile_; // The frame or tile given by 'frame_num_' and 'tile_num_'.
|
||||
int frame_num;
|
||||
int num_frames;
|
||||
int tile_num;
|
||||
int num_tiles;
|
||||
int x_offset, y_offset; // offset relative to the canvas.
|
||||
int width, height; // dimensions of this frame or tile.
|
||||
int duration; // display duration in milliseconds.
|
||||
int complete; // true if 'tile_' contains a full frame. partial images may
|
||||
// still be decoded with the WebP incremental decoder.
|
||||
WebPData tile; // The frame or tile given by 'frame_num_' and 'tile_num_'.
|
||||
|
||||
uint32_t pad[4]; // padding for later use
|
||||
void* private_;
|
||||
void* private_; // for internal use only.
|
||||
};
|
||||
|
||||
// Retrieves frame 'frame_number' from 'dmux'.
|
||||
@ -470,11 +470,11 @@ WEBP_EXTERN(void) WebPDemuxReleaseIterator(WebPIterator* iter);
|
||||
struct WebPChunkIterator {
|
||||
// The current and total number of chunks with the fourcc given to
|
||||
// WebPDemuxGetChunk().
|
||||
int chunk_num_;
|
||||
int num_chunks_;
|
||||
WebPData chunk_; // The payload of the chunk.
|
||||
int chunk_num;
|
||||
int num_chunks;
|
||||
WebPData chunk; // The payload of the chunk.
|
||||
|
||||
uint32_t pad[6]; // padding for later use
|
||||
uint32_t pad[6]; // padding for later use
|
||||
void* private_;
|
||||
};
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user