From f553462041096d5d2afd9a8841a7af50df5c2540 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Thu, 23 Feb 2012 11:54:13 +0200
Subject: [PATCH] rtpenc: Move max_packet_size to a context variable
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This is in preparation for exposing this via an avoption.

Signed-off-by: Martin Storsjö <martin@martin.st>
---
 libavformat/rtpenc.c | 12 ++++++------
 libavformat/rtpenc.h |  1 +
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index 66ea4ced92..bdbe411192 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -82,7 +82,7 @@ static int is_supported(enum CodecID id)
 static int rtp_write_header(AVFormatContext *s1)
 {
     RTPMuxContext *s = s1->priv_data;
-    int max_packet_size, n;
+    int n;
     AVStream *st;
 
     if (s1->nb_streams != 1) {
@@ -109,16 +109,16 @@ static int rtp_write_header(AVFormatContext *s1)
         s->first_rtcp_ntp_time = (s1->start_time_realtime / 1000) * 1000 +
                                  NTP_OFFSET_US;
 
-    max_packet_size = s1->pb->max_packet_size;
-    if (max_packet_size <= 12) {
-        av_log(s1, AV_LOG_ERROR, "Max packet size %d too low\n", max_packet_size);
+    s->max_packet_size = s1->pb->max_packet_size;
+    if (s->max_packet_size <= 12) {
+        av_log(s1, AV_LOG_ERROR, "Max packet size %d too low\n", s->max_packet_size);
         return AVERROR(EIO);
     }
-    s->buf = av_malloc(max_packet_size);
+    s->buf = av_malloc(s->max_packet_size);
     if (s->buf == NULL) {
         return AVERROR(ENOMEM);
     }
-    s->max_payload_size = max_packet_size - 12;
+    s->max_payload_size = s->max_packet_size - 12;
 
     s->max_frames_per_packet = 0;
     if (s1->max_delay) {
diff --git a/libavformat/rtpenc.h b/libavformat/rtpenc.h
index 9ccc8e71fa..2bb2b815c3 100644
--- a/libavformat/rtpenc.h
+++ b/libavformat/rtpenc.h
@@ -34,6 +34,7 @@ struct RTPMuxContext {
     uint32_t timestamp;
     uint32_t base_timestamp;
     uint32_t cur_timestamp;
+    int max_packet_size;
     int max_payload_size;
     int num_frames;