C++ (Cpp) ChunksListDiskSize Examples

Example #1

File: muxedit.c Project: Chaduke/bah.mod

WebPMuxError WebPMuxAssemble(WebPMux* mux, WebPData* assembled_data) {
  size_t size = 0;
  uint8_t* data = NULL;
  uint8_t* dst = NULL;
  WebPMuxError err;

  if (mux == NULL || assembled_data == NULL) {
    return WEBP_MUX_INVALID_ARGUMENT;
  }

  // Finalize mux.
  err = MuxCleanup(mux);
  if (err != WEBP_MUX_OK) return err;
  err = CreateVP8XChunk(mux);
  if (err != WEBP_MUX_OK) return err;

  // Allocate data.
  size = ChunksListDiskSize(mux->vp8x_) + ChunksListDiskSize(mux->iccp_)
       + ChunksListDiskSize(mux->anim_) + MuxImageListDiskSize(mux->images_)
       + ChunksListDiskSize(mux->exif_) + ChunksListDiskSize(mux->xmp_)
       + ChunksListDiskSize(mux->unknown_) + RIFF_HEADER_SIZE;

  data = (uint8_t*)malloc(size);
  if (data == NULL) return WEBP_MUX_MEMORY_ERROR;

  // Emit header & chunks.
  dst = MuxEmitRiffHeader(data, size);
  dst = ChunkListEmit(mux->vp8x_, dst);
  dst = ChunkListEmit(mux->iccp_, dst);
  dst = ChunkListEmit(mux->anim_, dst);
  dst = MuxImageListEmit(mux->images_, dst);
  dst = ChunkListEmit(mux->exif_, dst);
  dst = ChunkListEmit(mux->xmp_, dst);
  dst = ChunkListEmit(mux->unknown_, dst);
  assert(dst == data + size);

  // Validate mux.
  err = MuxValidate(mux);
  if (err != WEBP_MUX_OK) {
    free(data);
    data = NULL;
    size = 0;
  }

  // Finalize data.
  assembled_data->bytes = data;
  assembled_data->size = size;

  return err;
}

Example #2

File: muxedit.c Project: ansgri/rsdt-students

WebPMuxError WebPMuxAssemble(WebPMux* mux, WebPData* assembled_data) {
  size_t size = 0;
  uint8_t* data = NULL;
  uint8_t* dst = NULL;
  int num_frames;
  int num_loop_chunks;
  WebPMuxError err;

  if (mux == NULL || assembled_data == NULL) {
    return WEBP_MUX_INVALID_ARGUMENT;
  }

  // Remove LOOP chunk if unnecessary.
  err = WebPMuxNumChunks(mux, kChunks[IDX_LOOP].id, &num_loop_chunks);
  if (err != WEBP_MUX_OK) return err;
  if (num_loop_chunks >= 1) {
    err = WebPMuxNumChunks(mux, kChunks[IDX_FRAME].id, &num_frames);
    if (err != WEBP_MUX_OK) return err;
    if (num_frames == 0) {
      err = DeleteLoopCount(mux);
      if (err != WEBP_MUX_OK) return err;
    }
  }

  // Create VP8X chunk.
  err = CreateVP8XChunk(mux);
  if (err != WEBP_MUX_OK) return err;

  // Allocate data.
  size = ChunksListDiskSize(mux->vp8x_) + ChunksListDiskSize(mux->iccp_)
       + ChunksListDiskSize(mux->loop_) + MuxImageListDiskSize(mux->images_)
       + ChunksListDiskSize(mux->meta_) + ChunksListDiskSize(mux->unknown_)
       + RIFF_HEADER_SIZE;

  data = (uint8_t*)malloc(size);
  if (data == NULL) return WEBP_MUX_MEMORY_ERROR;

  // Emit header & chunks.
  dst = MuxEmitRiffHeader(data, size);
  dst = ChunkListEmit(mux->vp8x_, dst);
  dst = ChunkListEmit(mux->iccp_, dst);
  dst = ChunkListEmit(mux->loop_, dst);
  dst = MuxImageListEmit(mux->images_, dst);
  dst = ChunkListEmit(mux->meta_, dst);
  dst = ChunkListEmit(mux->unknown_, dst);
  assert(dst == data + size);

  // Validate mux.
  err = MuxValidate(mux);
  if (err != WEBP_MUX_OK) {
    free(data);
    data = NULL;
    size = 0;
  }

  // Finalize.
  assembled_data->bytes_ = data;
  assembled_data->size_ = size;

  return err;
}