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rtpdec: Allow allocating and freeing the private data without explicit functions

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This can reduce the amount of boilerplate in simple depacketizers.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-02-23 21:57:33 +02:00
parent 2b982e92f4
commit e72605f80b
2 changed files with 12 additions and 3 deletions
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1
libavformat/rtpdec.h
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@ -120,6 +120,7 @@ struct RTPDynamicProtocolHandler {
int static_payload_id; /* 0 means no payload id is set. 0 is a valid
* payload ID (PCMU), too, but that format doesn't
* require any custom depacketization code. */
int priv_data_size;
/** Initialize dynamic protocol handler, called after the full rtpmap line is parsed, may be null */
int (*init)(AVFormatContext *s, int st_index, PayloadContext *priv_data);

14
libavformat/rtsp.c
View File

@ -190,6 +190,10 @@ static void init_rtp_handler(RTPDynamicProtocolHandler *handler,
rtsp_st->dynamic_protocol_context = handler->alloc();
if (!rtsp_st->dynamic_protocol_context)
rtsp_st->dynamic_handler = NULL;
} else if (handler->priv_data_size) {
rtsp_st->dynamic_protocol_context = av_mallocz(handler->priv_data_size);
if (!rtsp_st->dynamic_protocol_context)
rtsp_st->dynamic_handler = NULL;
}
}
@ -721,9 +725,13 @@ void ff_rtsp_close_streams(AVFormatContext *s)
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st) {
if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)
rtsp_st->dynamic_handler->free(
rtsp_st->dynamic_protocol_context);
if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context) {
if (rtsp_st->dynamic_handler->free)
rtsp_st->dynamic_handler->free(
rtsp_st->dynamic_protocol_context);
else
av_free(rtsp_st->dynamic_protocol_context);
}
for (j = 0; j < rtsp_st->nb_include_source_addrs; j++)
av_free(rtsp_st->include_source_addrs[j]);
av_freep(&rtsp_st->include_source_addrs);