http: Reduce scope of a variable in parse_content_encoding()

[ffmpeg] / libavformat / rtpenc_chain.c

diff --git a/libavformat/rtpenc_chain.c b/libavformat/rtpenc_chain.c
index 09b4ebd7c3e1f960619ce6afe3a4fb89a3468337..10c4020cfedb54a938d56c377f059fc1b4a6b36a 100644 (file)
--- a/libavformat/rtpenc_chain.c
+++ b/libavformat/rtpenc_chain.c
@@ -2,50 +2,72 @@
  * RTP muxer chaining code
  * Copyright (c) 2010 Martin Storsjo
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "avformat.h"
+#include "avio_internal.h"
 #include "rtpenc_chain.h"
+#include "avio_internal.h"
+#include "rtp.h"
+#include "libavutil/opt.h"
 
-AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
-                                       URLContext *handle, int packet_size)
+int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
+                          AVStream *st, URLContext *handle, int packet_size,
+                          int idx)
 {
-    AVFormatContext *rtpctx;
+    AVFormatContext *rtpctx = NULL;
     int ret;
     AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
+    uint8_t *rtpflags;
+    AVDictionary *opts = NULL;
 
-    if (!rtp_format)
-        return NULL;
+    if (!rtp_format) {
+        ret = AVERROR(ENOSYS);
+        goto fail;
+    }
 
     /* Allocate an AVFormatContext for each output stream */
     rtpctx = avformat_alloc_context();
-    if (!rtpctx)
-        return NULL;
+    if (!rtpctx) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
 
     rtpctx->oformat = rtp_format;
-    if (!av_new_stream(rtpctx, 0)) {
-        av_free(rtpctx);
-        return NULL;
+    if (!avformat_new_stream(rtpctx, NULL)) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
     }
+    /* Pass the interrupt callback on */
+    rtpctx->interrupt_callback = s->interrupt_callback;
     /* Copy the max delay setting; the rtp muxer reads this. */
     rtpctx->max_delay = s->max_delay;
     /* Copy other stream parameters. */
     rtpctx->streams[0]->sample_aspect_ratio = st->sample_aspect_ratio;
+    /* Get the payload type from the codec */
+    if (st->id < RTP_PT_PRIVATE)
+        rtpctx->streams[0]->id =
+            ff_rtp_get_payload_type(s, st->codec, idx);
+    else
+        rtpctx->streams[0]->id = st->id;
+
+    if (av_opt_get(s, "rtpflags", AV_OPT_SEARCH_CHILDREN, &rtpflags) >= 0)
+        av_dict_set(&opts, "rtpflags", rtpflags, AV_DICT_DONT_STRDUP_VAL);
 
     /* Set the synchronized start time. */
     rtpctx->start_time_realtime = s->start_time_realtime;
@@ -53,29 +75,33 @@ AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
     avcodec_copy_context(rtpctx->streams[0]->codec, st->codec);
 
     if (handle) {
-        url_fdopen(&rtpctx->pb, handle);
+        ret = ffio_fdopen(&rtpctx->pb, handle);
+        if (ret < 0)
+            ffurl_close(handle);
     } else
-        url_open_dyn_packet_buf(&rtpctx->pb, packet_size);
-    ret = av_write_header(rtpctx);
+        ret = ffio_open_dyn_packet_buf(&rtpctx->pb, packet_size);
+    if (!ret)
+        ret = avformat_write_header(rtpctx, &opts);
+    av_dict_free(&opts);
 
     if (ret) {
-        if (handle) {
-            url_fclose(rtpctx->pb);
-        } else {
+        if (handle && rtpctx->pb) {
+            avio_close(rtpctx->pb);
+        } else if (rtpctx->pb) {
             uint8_t *ptr;
-            url_close_dyn_buf(rtpctx->pb, &ptr);
+            avio_close_dyn_buf(rtpctx->pb, &ptr);
             av_free(ptr);
         }
-        av_free(rtpctx->streams[0]->codec->extradata);
-        av_free(rtpctx->streams[0]->codec);
-        av_free(rtpctx->streams[0]->info);
-        av_free(rtpctx->streams[0]);
-        av_free(rtpctx);
-        return NULL;
+        avformat_free_context(rtpctx);
+        return ret;
     }
 
-    /* Copy the RTP AVStream timebase back to the original AVStream */
-    st->time_base = rtpctx->streams[0]->time_base;
-    return rtpctx;
-}
+    *out = rtpctx;
+    return 0;
 
+fail:
+    av_free(rtpctx);
+    if (handle)
+        ffurl_close(handle);
+    return ret;
+}