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mp4: pass struct mp4_context to the mp4ff_callback_t methods

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We need the decoder object, so we have to begin passing a new struct
to these callbacks, instead of only the pointer to the input_stream
object.
This commit is contained in:
Max Kellermann 2008-11-04 17:05:00 +01:00
parent 632dc7c96b
commit 9ecfc57c3a
1 changed files with 18 additions and 10 deletions
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28
src/decoder/mp4_plugin.c
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@ -28,6 +28,10 @@
/* all code here is either based on or copied from FAAD2's frontend code */
struct mp4_context {
struct input_stream *input_stream;
};
static int
mp4_get_aac_track(mp4ff_t * infile)
{
@ -71,25 +75,30 @@ mp4_get_aac_track(mp4ff_t * infile)
static uint32_t
mp4_read(void *user_data, void *buffer, uint32_t length)
{
return input_stream_read((struct input_stream *) user_data,
buffer, length);
struct mp4_context *ctx = user_data;
return input_stream_read(ctx->input_stream, buffer, length);
}
static uint32_t
mp4_seek(void *user_data, uint64_t position)
{
return input_stream_seek((struct input_stream *) user_data,
position, SEEK_SET)
struct mp4_context *ctx = user_data;
return input_stream_seek(ctx->input_stream, position, SEEK_SET)
? 0 : -1;
}
static bool
mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
{
struct mp4_context ctx = {
.input_stream = input_stream,
};
mp4ff_callback_t callback = {
.read = mp4_read,
.seek = mp4_seek,
.user_data = input_stream,
.user_data = &ctx,
};
mp4ff_t *mp4fh;
int32_t track;
@ -119,10 +128,6 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
double seek_where = 0;
bool initialized = false;
callback.read = mp4_read;
callback.seek = mp4_seek;
callback.user_data = input_stream;
mp4fh = mp4ff_open_read(&callback);
if (!mp4fh) {
g_warning("Input does not appear to be a mp4 stream.\n");
@ -307,10 +312,13 @@ mp4_load_tag(const char *file)
{
struct tag *ret = NULL;
struct input_stream input_stream;
struct mp4_context ctx = {
.input_stream = &input_stream,
};
mp4ff_callback_t callback = {
.read = mp4_read,
.seek = mp4_seek,
.user_data = &input_stream,
.user_data = &ctx,
};
mp4ff_t *mp4fh;
int32_t track;