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Make RTPDemuxContext opaque in rtsp.c, renaming it to tx_ctx (tx=transport)

and making its type a void pointer. See discussion in "RDT/Realmedia patches
#2" thread on ML.

Originally committed as revision 15543 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2008-10-04 04:17:59 +00:00
parent 99a1d1915e
commit 5465b0d474

View File

@ -73,13 +73,13 @@ typedef struct RTSPState {
enum RTSPLowerTransport lower_transport;
enum RTSPServerType server_type;
char last_reply[2048]; /* XXX: allocate ? */
RTPDemuxContext *cur_rtp;
void *cur_tx;
int need_subscription;
} RTSPState;
typedef struct RTSPStream {
URLContext *rtp_handle; /* RTP stream handle */
RTPDemuxContext *rtp_ctx; /* RTP parse context */
void *tx_ctx; /* RTP/RDT parse context */
int stream_index; /* corresponding stream index, if any. -1 if none (MPEG2TS case) */
int interleaved_min, interleaved_max; /* interleave ids, if TCP transport */
@ -873,8 +873,8 @@ static void rtsp_close_streams(RTSPState *rt)
for(i=0;i<rt->nb_rtsp_streams;i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st) {
if (rtsp_st->rtp_ctx)
rtp_parse_close(rtsp_st->rtp_ctx);
if (rtsp_st->tx_ctx)
rtp_parse_close(rtsp_st->tx_ctx);
if (rtsp_st->rtp_handle)
url_close(rtsp_st->rtp_handle);
if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)
@ -894,13 +894,13 @@ rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
st = s->streams[rtsp_st->stream_index];
if (!st)
s->ctx_flags |= AVFMTCTX_NOHEADER;
rtsp_st->rtp_ctx = rtp_parse_open(s, st, rtsp_st->rtp_handle, rtsp_st->sdp_payload_type, &rtsp_st->rtp_payload_data);
rtsp_st->tx_ctx = rtp_parse_open(s, st, rtsp_st->rtp_handle, rtsp_st->sdp_payload_type, &rtsp_st->rtp_payload_data);
if (!rtsp_st->rtp_ctx) {
if (!rtsp_st->tx_ctx) {
return AVERROR(ENOMEM);
} else {
if(rtsp_st->dynamic_handler) {
rtp_parse_set_dynamic_protocol(rtsp_st->rtp_ctx,
rtp_parse_set_dynamic_protocol(rtsp_st->tx_ctx,
rtsp_st->dynamic_protocol_context,
rtsp_st->dynamic_handler);
}
@ -1347,7 +1347,7 @@ static int rtsp_read_packet(AVFormatContext *s,
ff_rdt_subscribe_rule(cmd, sizeof(cmd), i, 0);
if (rt->transport == RTSP_TRANSPORT_RDT)
ff_rdt_subscribe_rule2(
rt->rtsp_streams[i]->rtp_ctx,
rt->rtsp_streams[i]->tx_ctx,
cmd, sizeof(cmd), i, 0);
}
av_strlcat(cmd, "\r\n", sizeof(cmd));
@ -1361,18 +1361,18 @@ static int rtsp_read_packet(AVFormatContext *s,
}
/* get next frames from the same RTP packet */
if (rt->cur_rtp) {
if (rt->cur_tx) {
if (rt->transport == RTSP_TRANSPORT_RDT)
ret = ff_rdt_parse_packet(rt->cur_rtp, pkt, NULL, 0);
ret = ff_rdt_parse_packet(rt->cur_tx, pkt, NULL, 0);
else
ret = rtp_parse_packet(rt->cur_rtp, pkt, NULL, 0);
ret = rtp_parse_packet(rt->cur_tx, pkt, NULL, 0);
if (ret == 0) {
rt->cur_rtp = NULL;
rt->cur_tx = NULL;
return 0;
} else if (ret == 1) {
return 0;
} else {
rt->cur_rtp = NULL;
rt->cur_tx = NULL;
}
}
@ -1386,21 +1386,21 @@ static int rtsp_read_packet(AVFormatContext *s,
case RTSP_LOWER_TRANSPORT_UDP:
case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
len = udp_read_packet(s, &rtsp_st, buf, sizeof(buf));
if (len >=0 && rtsp_st->rtp_ctx)
rtp_check_and_send_back_rr(rtsp_st->rtp_ctx, len);
if (len >=0 && rtsp_st->tx_ctx)
rtp_check_and_send_back_rr(rtsp_st->tx_ctx, len);
break;
}
if (len < 0)
return len;
if (rt->transport == RTSP_TRANSPORT_RDT)
ret = ff_rdt_parse_packet(rtsp_st->rtp_ctx, pkt, buf, len);
ret = ff_rdt_parse_packet(rtsp_st->tx_ctx, pkt, buf, len);
else
ret = rtp_parse_packet(rtsp_st->rtp_ctx, pkt, buf, len);
ret = rtp_parse_packet(rtsp_st->tx_ctx, pkt, buf, len);
if (ret < 0)
goto redo;
if (ret == 1) {
/* more packets may follow, so we save the RTP context */
rt->cur_rtp = rtsp_st->rtp_ctx;
rt->cur_tx = rtsp_st->tx_ctx;
}
return 0;
}