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(de)mux.h: wrap pseudo-code in /* */

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easier to copy / read as a block

Change-Id: Ia22689a13afd8ea2325dcdf432e35fc802d8177a
This commit is contained in:
James Zern 2013-08-21 10:26:33 -07:00
parent 733a7faae4
commit 5416aab479
2 changed files with 59 additions and 56 deletions
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63
src/webp/demux.h
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@ -12,37 +12,38 @@
// Code Example: Demuxing WebP data to extract all the frames, ICC profile
// and EXIF/XMP metadata.
//
// WebPDemuxer* demux = WebPDemux(&webp_data);
//
// uint32_t width = WebPDemuxGetI(demux, WEBP_FF_CANVAS_WIDTH);
// uint32_t height = WebPDemuxGetI(demux, WEBP_FF_CANVAS_HEIGHT);
// // ... (Get information about the features present in the WebP file).
// uint32_t flags = WebPDemuxGetI(demux, WEBP_FF_FORMAT_FLAGS);
//
// // ... (Iterate over all frames).
// WebPIterator iter;
// if (WebPDemuxGetFrame(demux, 1, &iter)) {
// do {
// // ... (Consume 'iter'; e.g. Decode 'iter.fragment' with WebPDecode(),
// // ... and get other frame properties like width, height, offsets etc.
// // ... see 'struct WebPIterator' below for more info).
// } while (WebPDemuxNextFrame(&iter));
// WebPDemuxReleaseIterator(&iter);
// }
//
// // ... (Extract metadata).
// WebPChunkIterator chunk_iter;
// if (flags & ICCP_FLAG) WebPDemuxGetChunk(demux, "ICCP", 1, &chunk_iter);
// // ... (Consume the ICC profile in 'chunk_iter.chunk').
// WebPDemuxReleaseChunkIterator(&chunk_iter);
// if (flags & EXIF_FLAG) WebPDemuxGetChunk(demux, "EXIF", 1, &chunk_iter);
// // ... (Consume the EXIF metadata in 'chunk_iter.chunk').
// WebPDemuxReleaseChunkIterator(&chunk_iter);
// if (flags & XMP_FLAG) WebPDemuxGetChunk(demux, "XMP ", 1, &chunk_iter);
// // ... (Consume the XMP metadata in 'chunk_iter.chunk').
// WebPDemuxReleaseChunkIterator(&chunk_iter);
// WebPDemuxDelete(demux);
/*
WebPDemuxer* demux = WebPDemux(&webp_data);
uint32_t width = WebPDemuxGetI(demux, WEBP_FF_CANVAS_WIDTH);
uint32_t height = WebPDemuxGetI(demux, WEBP_FF_CANVAS_HEIGHT);
// ... (Get information about the features present in the WebP file).
uint32_t flags = WebPDemuxGetI(demux, WEBP_FF_FORMAT_FLAGS);
// ... (Iterate over all frames).
WebPIterator iter;
if (WebPDemuxGetFrame(demux, 1, &iter)) {
do {
// ... (Consume 'iter'; e.g. Decode 'iter.fragment' with WebPDecode(),
// ... and get other frame properties like width, height, offsets etc.
// ... see 'struct WebPIterator' below for more info).
} while (WebPDemuxNextFrame(&iter));
WebPDemuxReleaseIterator(&iter);
}
// ... (Extract metadata).
WebPChunkIterator chunk_iter;
if (flags & ICCP_FLAG) WebPDemuxGetChunk(demux, "ICCP", 1, &chunk_iter);
// ... (Consume the ICC profile in 'chunk_iter.chunk').
WebPDemuxReleaseChunkIterator(&chunk_iter);
if (flags & EXIF_FLAG) WebPDemuxGetChunk(demux, "EXIF", 1, &chunk_iter);
// ... (Consume the EXIF metadata in 'chunk_iter.chunk').
WebPDemuxReleaseChunkIterator(&chunk_iter);
if (flags & XMP_FLAG) WebPDemuxGetChunk(demux, "XMP ", 1, &chunk_iter);
// ... (Consume the XMP metadata in 'chunk_iter.chunk').
WebPDemuxReleaseChunkIterator(&chunk_iter);
WebPDemuxDelete(demux);
*/
#ifndef WEBP_WEBP_DEMUX_H_
#define WEBP_WEBP_DEMUX_H_

52
src/webp/mux.h
View File

@ -17,32 +17,34 @@
//
// Code Example#1: Creating a MUX with image data, color profile and XMP
// metadata.
//
// int copy_data = 0;
// WebPMux* mux = WebPMuxNew();
// // ... (Prepare image data).
// WebPMuxSetImage(mux, &image, copy_data);
// // ... (Prepare ICCP color profile data).
// WebPMuxSetChunk(mux, "ICCP", &icc_profile, copy_data);
// // ... (Prepare XMP metadata).
// WebPMuxSetChunk(mux, "XMP ", &xmp, copy_data);
// // 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).
// WebPDataClear(&output_data);
//
/*
int copy_data = 0;
WebPMux* mux = WebPMuxNew();
// ... (Prepare image data).
WebPMuxSetImage(mux, &image, copy_data);
// ... (Prepare ICCP color profile data).
WebPMuxSetChunk(mux, "ICCP", &icc_profile, copy_data);
// ... (Prepare XMP metadata).
WebPMuxSetChunk(mux, "XMP ", &xmp, copy_data);
// 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).
WebPDataClear(&output_data);
*/
// Code Example#2: Get image and color profile data from a WebP file.
//
// int copy_data = 0;
// // ... (Read data from file).
// WebPMux* mux = WebPMuxCreate(&data, copy_data);
// WebPMuxGetFrame(mux, 1, &image);
// // ... (Consume image; e.g. call WebPDecode() to decode the data).
// WebPMuxGetChunk(mux, "ICCP", &icc_profile);
// // ... (Consume icc_data).
// WebPMuxDelete(mux);
// free(data);
/*
int copy_data = 0;
// ... (Read data from file).
WebPMux* mux = WebPMuxCreate(&data, copy_data);
WebPMuxGetFrame(mux, 1, &image);
// ... (Consume image; e.g. call WebPDecode() to decode the data).
WebPMuxGetChunk(mux, "ICCP", &icc_profile);
// ... (Consume icc_data).
WebPMuxDelete(mux);
free(data);
*/
#ifndef WEBP_WEBP_MUX_H_
#define WEBP_WEBP_MUX_H_