128 static WebPMuxError GetImageData(const WebPData* const bitstream,  in GetImageData()  argument
132   if (bitstream->size < TAG_SIZE ||  in GetImageData()
133       memcmp(bitstream->bytes, "RIFF", TAG_SIZE)) {  in GetImageData()
135     *image = *bitstream;  in GetImageData()
139     WebPMux* const mux = WebPMuxCreate(bitstream, 0);  in GetImageData()
216     const WebPData* const bitstream, int copy_data, WebPMuxImage* const wpi) {  in SetAlphaAndImageChunks()  argument
219   WebPMuxError err = GetImageData(bitstream, &image, &alpha, &is_lossless);  in SetAlphaAndImageChunks()
233 WebPMuxError WebPMuxSetImage(WebPMux* mux, const WebPData* bitstream,  in WebPMuxSetImage()  argument
239   if (mux == NULL || bitstream == NULL || bitstream->bytes == NULL ||  in WebPMuxSetImage()
240       bitstream->size > MAX_CHUNK_PAYLOAD) {  in WebPMuxSetImage()
250   err = SetAlphaAndImageChunks(bitstream, copy_data, &wpi);  in WebPMuxSetImage()
275   if (info->bitstream.bytes == NULL ||  in WebPMuxPushFrame()
276       info->bitstream.size > MAX_CHUNK_PAYLOAD) {  in WebPMuxPushFrame()
290   err = SetAlphaAndImageChunks(&info->bitstream, copy_data, &wpi);  in WebPMuxPushFrame()