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Code Issues Releases Activity

Don't access RMContext directly in rdt.c. Rather, use the return value of

Browse Source 
ff_rm_parse_packet() to indicate whether more audio packets are available
in the demuxer from the last RM frame, and save that in the RDT parsing
context. See patch/discussion in "[PATCH] rdt.c: don't access RMContext"
on ML.

Originally committed as revision 16110 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2008-12-13 21:37:27 +00:00
parent 616deed28f
commit a15ebf34c7
3 changed files with 10 additions and 7 deletions
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11
libavformat/rdt.c
View File

@ -84,6 +84,7 @@ struct PayloadContext {
uint8_t *mlti_data;
unsigned int mlti_data_size;
char buffer[RTP_MAX_PACKET_LENGTH + FF_INPUT_BUFFER_PADDING_SIZE];
int audio_pkt_cnt[MAX_STREAMS]; /**< remaining audio packets in rmdec */
};
void
@ -294,9 +295,8 @@ rdt_parse_packet (PayloadContext *rdt, AVStream *st,
{
int seq = 1, res;
ByteIOContext pb;
RMContext *rm = rdt->rmctx->priv_data;
if (rm->audio_pkt_cnt == 0) {
if (rdt->audio_pkt_cnt == 0) {
int pos;
init_put_byte(&pb, buf, len, 0, NULL, NULL, NULL, NULL);
@ -306,7 +306,8 @@ rdt_parse_packet (PayloadContext *rdt, AVStream *st,
pos = url_ftell(&pb);
if (res < 0)
return res;
if (rm->audio_pkt_cnt > 0 &&
rdt->audio_pkt_cnt[st->id] = res;
if (rdt->audio_pkt_cnt[st->id] > 0 &&
st->codec->codec_id == CODEC_ID_AAC) {
memcpy (rdt->buffer, buf + pos, len - pos);
rdt->rmctx->pb = av_alloc_put_byte (rdt->buffer, len - pos, 0,
@ -314,14 +315,14 @@ rdt_parse_packet (PayloadContext *rdt, AVStream *st,
}
} else {
ff_rm_retrieve_cache (rdt->rmctx, rdt->rmctx->pb, st, pkt);
if (rm->audio_pkt_cnt == 0 &&
if (rdt->audio_pkt_cnt[st->id] == 0 &&
st->codec->codec_id == CODEC_ID_AAC)
av_freep(&rdt->rmctx->pb);
}
pkt->stream_index = st->index;
pkt->pts = *timestamp;
return rm->audio_pkt_cnt > 0;
return rdt->audio_pkt_cnt[st->id] > 0;
}
int

4
libavformat/rm.h
View File

@ -93,7 +93,9 @@ int ff_rm_read_mdpr_codecdata (AVFormatContext *s, ByteIOContext *pb,
* @param flags pointer to an integer containing the packet flags, may be
updated
* @param ts pointer to timestamp, may be updated
* @return 0 on success, errno codes on error
* @return >=0 on success (where >0 indicates there are cached samples that
* can be retrieved with subsequent calls to ff_rm_retrieve_cache()),
* errno codes on error
*/
int ff_rm_parse_packet (AVFormatContext *s, ByteIOContext *pb,
AVStream *st, int len,

2
libavformat/rmdec.c
View File

@ -644,7 +644,7 @@ ff_rm_parse_packet (AVFormatContext *s, ByteIOContext *pb,
if (*flags & 2)
pkt->flags |= PKT_FLAG_KEY;
return 0;
return st->codec->codec_type == CODEC_TYPE_AUDIO ? rm->audio_pkt_cnt : 0;
}
void