1
2/*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9#include "SkImageDecoder.h"
10#include "SkMovie.h"
11#include "SkStream.h"
12#include "SkTRegistry.h"
13
14extern SkImageDecoder* image_decoder_from_stream(SkStream*);
15
16SkImageDecoder* SkImageDecoder::Factory(SkStream* stream) {
17    return image_decoder_from_stream(stream);
18}
19
20/////////////////////////////////////////////////////////////////////////
21
22typedef SkTRegistry<SkMovie*, SkStream*> MovieReg;
23
24SkMovie* SkMovie::DecodeStream(SkStream* stream) {
25    const MovieReg* curr = MovieReg::Head();
26    while (curr) {
27        SkMovie* movie = curr->factory()(stream);
28        if (movie) {
29            return movie;
30        }
31        // we must rewind only if we got NULL, since we gave the stream to the
32        // movie, who may have already started reading from it
33        stream->rewind();
34        curr = curr->next();
35    }
36    return NULL;
37}
38