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rtpdec_h264: Remove useless memory corruption checks 

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-05-04 23:49:45 +03:00
parent b7b7354c33
commit 5a571d3241
1 changed files with 1 additions and 23 deletions
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24
libavformat/rtpdec_h264.c
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@ -53,8 +53,6 @@
RTP/H264 specific private data.
*/
struct PayloadContext {
unsigned long cookie; ///< sanity check, to make sure we get the pointer we're expecting.
//sdp setup parameters
uint8_t profile_idc; ///< from the sdp setup parameters.
uint8_t profile_iop; ///< from the sdp setup parameters.
@ -65,9 +63,6 @@ struct PayloadContext {
#endif
};
#define MAGIC_COOKIE (0xdeadbeef) ///< Cookie for the extradata; to verify we are what we think we are, and that we haven't been freed.
#define DEAD_COOKIE (0xdeaddead) ///< Cookie for the extradata; once it is freed.
/* ---------------- private code */
static int sdp_parse_fmtp_config_h264(AVStream * stream,
PayloadContext * h264_data,
@ -187,7 +182,6 @@ static int h264_handle_packet(AVFormatContext *ctx,
#ifdef DEBUG
assert(data);
assert(data->cookie == MAGIC_COOKIE);
#endif
assert(buf);
@ -331,15 +325,7 @@ static int h264_handle_packet(AVFormatContext *ctx,
/* ---------------- public code */
static PayloadContext *h264_new_context(void)
{
PayloadContext *data =
av_mallocz(sizeof(PayloadContext) +
FF_INPUT_BUFFER_PADDING_SIZE);
if (data) {
data->cookie = MAGIC_COOKIE;
}
return data;
return av_mallocz(sizeof(PayloadContext) + FF_INPUT_BUFFER_PADDING_SIZE);
}
static void h264_free_context(PayloadContext *data)
@ -354,13 +340,6 @@ static void h264_free_context(PayloadContext *data)
}
#endif
assert(data);
assert(data->cookie == MAGIC_COOKIE);
// avoid stale pointers (assert)
data->cookie = DEAD_COOKIE;
// and clear out this...
av_free(data);
}
@ -376,7 +355,6 @@ static int parse_h264_sdp_line(AVFormatContext *s, int st_index,
stream = s->streams[st_index];
codec = stream->codec;
assert(h264_data->cookie == MAGIC_COOKIE);
if (av_strstart(p, "framesize:", &p)) {
char buf1[50];