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
13extern SkImageDecoder* image_decoder_from_stream(SkStreamRewindable*);
14
15SkImageDecoder* SkImageDecoder::Factory(SkStreamRewindable* stream) {
16    return image_decoder_from_stream(stream);
17}
18
19/////////////////////////////////////////////////////////////////////////
20
21typedef SkTRegistry<SkMovie*(*)(SkStreamRewindable*)> MovieReg;
22
23SkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) {
24    const MovieReg* curr = MovieReg::Head();
25    while (curr) {
26        SkMovie* movie = curr->factory()(stream);
27        if (movie) {
28            return movie;
29        }
30        // we must rewind only if we got NULL, since we gave the stream to the
31        // movie, who may have already started reading from it
32        stream->rewind();
33        curr = curr->next();
34    }
35    return NULL;
36}
37