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mp4: static mp4ff_callback_t variables

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Allocate the mp4ff_callback_t object on the stack.  This is easier to
handle, since we don't have to free it.  Incidentally, this fixes a
memory leak in mp4_load_tag().
This commit is contained in:
Max Kellermann
2008-11-04 16:55:12 +01:00
parent 8712a1f7bf
commit 02a172f2c2
1 changed files with 15 additions and 22 deletions
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37
src/decoder/mp4_plugin.c
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@@ -84,8 +84,12 @@ mp4_seek(void *user_data, uint64_t position)
static bool
mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
{
mp4ff_callback_t callback = {
.read = mp4_read,
.seek = mp4_seek,
.user_data = input_stream,
};
mp4ff_t *mp4fh;
mp4ff_callback_t *mp4cb;
int32_t track;
float file_time, total_time;
int32_t scale;
@@ -113,15 +117,13 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
double seek_where = 0;
bool initialized = false;
mp4cb = xmalloc(sizeof(mp4ff_callback_t));
mp4cb->read = mp4_read;
mp4cb->seek = mp4_seek;
mp4cb->user_data = input_stream;
callback.read = mp4_read;
callback.seek = mp4_seek;
callback.user_data = input_stream;
mp4fh = mp4ff_open_read(mp4cb);
mp4fh = mp4ff_open_read(&callback);
if (!mp4fh) {
ERROR("Input does not appear to be a mp4 stream.\n");
free(mp4cb);
return false;
}
@@ -129,7 +131,6 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
if (track < 0) {
ERROR("No AAC track found in mp4 stream.\n");
mp4ff_close(mp4fh);
free(mp4cb);
return false;
}
@@ -156,7 +157,6 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
ERROR("Error not a AAC stream.\n");
faacDecClose(decoder);
mp4ff_close(mp4fh);
free(mp4cb);
return false;
}
@@ -172,7 +172,6 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
ERROR("Error getting audio format of mp4 AAC track.\n");
faacDecClose(decoder);
mp4ff_close(mp4fh);
free(mp4cb);
return false;
}
total_time = ((float)file_time) / scale;
@@ -182,7 +181,6 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
ERROR("Integer overflow.\n");
faacDecClose(decoder);
mp4ff_close(mp4fh);
free(mp4cb);
return false;
}
@@ -293,7 +291,6 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
free(seek_table);
faacDecClose(decoder);
mp4ff_close(mp4fh);
free(mp4cb);
if (!initialized)
return false;
@@ -309,8 +306,12 @@ mp4_load_tag(const char *file, int *tag_found)
{
struct tag *ret = NULL;
struct input_stream input_stream;
mp4ff_callback_t callback = {
.read = mp4_read,
.seek = mp4_seek,
.user_data = &input_stream,
};
mp4ff_t *mp4fh;
mp4ff_callback_t *callback;
int32_t track;
int32_t file_time;
int32_t scale;
@@ -323,14 +324,8 @@ mp4_load_tag(const char *file, int *tag_found)
return NULL;
}
callback = xmalloc(sizeof(mp4ff_callback_t));
callback->read = mp4_read;
callback->seek = mp4_seek;
callback->user_data = &input_stream;
mp4fh = mp4ff_open_read(callback);
mp4fh = mp4ff_open_read(&callback);
if (!mp4fh) {
free(callback);
input_stream_close(&input_stream);
return NULL;
}
@@ -339,7 +334,6 @@ mp4_load_tag(const char *file, int *tag_found)
if (track < 0) {
mp4ff_close(mp4fh);
input_stream_close(&input_stream);
free(callback);
return NULL;
}
@@ -349,7 +343,6 @@ mp4_load_tag(const char *file, int *tag_found)
if (scale < 0) {
mp4ff_close(mp4fh);
input_stream_close(&input_stream);
free(callback);
tag_free(ret);
return NULL;
}