contrib: remove unused ffmpeg patches

Change-Id: I93db8c765b72ad42b7b89256558d19d7ca31d2e7
Reviewed-by: Nicolas Jager <nicolas.jager@savoirfairelinux.com>

contrib/src/ffmpeg/0001-rtpdec-add-a-trace-when-jitter-buffer-is-full.patch

-From ff7f6ea9db2a77d74f7e68a716f53ba1f3f85017 Mon Sep 17 00:00:00 2001
-From: Eloi BAIL <eloi.bail@savoirfairelinux.com>
-Date: Tue, 15 Sep 2015 11:38:21 -0400
-Subject: [PATCH] rtpdec: add a trace when jitter buffer is full
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This commit adds a warning trace when jitter buffer
-is full. It helps to understand leading decoding issues.
-
-Signed-off-by: Eloi BAIL <eloi.bail@savoirfairelinux.com>
-Signed-off-by: Martin Storsjö <martin@martin.st>
----
- libavformat/rtpdec.c | 5 ++++-
- 1 file changed, 4 insertions(+), 1 deletion(-)
-
-diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
-index 0efcdb9..5706f16 100644
---- a/libavformat/rtpdec.c
-+++ b/libavformat/rtpdec.c
-@@ -804,8 +804,11 @@ static int rtp_parse_one_packet(RTPDemuxContext *s, AVPacket *pkt,
-             *bufptr = NULL;
-             /* Return the first enqueued packet if the queue is full,
-              * even if we're missing something */
--            if (s->queue_len >= s->queue_size)
-+            if (s->queue_len >= s->queue_size) {
-+                av_log(s->st ? s->st->codec : NULL, AV_LOG_WARNING,
-+                       "jitter buffer full\n");
-                 return rtp_parse_queued_packet(s, pkt);
-+            }
-             return -1;
-         }
-     }
-2.1.4

contrib/src/ffmpeg/0002-rtpdec-inform-jitter-buffer-size.patch

-From d555bd69e792e42d94bd909b30d9bfef01db4e25 Mon Sep 17 00:00:00 2001
-From: Eloi BAIL <eloi.bail@savoirfairelinux.com>
-Date: Tue, 15 Sep 2015 11:38:22 -0400
-Subject: [PATCH] rtpdec: inform jitter buffer size
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This commit print as AV_LOG_VERBOSE the jitter buffer
-size. It might be the default value or the value set by application.
-
-Signed-off-by: Eloi BAIL <eloi.bail@savoirfairelinux.com>
-Signed-off-by: Martin Storsjö <martin@martin.st>
----
- libavformat/rtpdec.c | 4 ++++
- 1 file changed, 4 insertions(+)
-
-diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
-index 5706f16..34c77f8 100644
---- a/libavformat/rtpdec.c
-+++ b/libavformat/rtpdec.c
-@@ -513,6 +513,10 @@ RTPDemuxContext *ff_rtp_parse_open(AVFormatContext *s1, AVStream *st,
-     s->ic                  = s1;
-     s->st                  = st;
-     s->queue_size          = queue_size;
-+
-+    av_log(s->st ? s->st->codec : NULL, AV_LOG_VERBOSE,
-+            "setting jitter buffer size to %d\n", s->queue_size);
-+
-     rtp_init_statistics(&s->statistics, 0);
-     if (st) {
-         switch (st->codec->codec_id) {
-2.1.4

contrib/src/ffmpeg/0003-rtsp-warning-when-max_delay-reached.patch

-From 1ec611a10228945d2ec8a9cf6c5531dee6b7ee56 Mon Sep 17 00:00:00 2001
-From: Eloi BAIL <eloi.bail@savoirfairelinux.com>
-Date: Tue, 15 Sep 2015 11:38:23 -0400
-Subject: [PATCH] rtsp: warning when max_delay reached
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-packets are queued due to packet reordering until the queue reach its
-maximal size or max delay is reached.
-This commit adds a warning trace when max delay is reached.
-
-Signed-off-by: Eloi BAIL <eloi.bail@savoirfairelinux.com>
-Signed-off-by: Martin Storsjö <martin@martin.st>
----
- libavformat/rtsp.c | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
-index 90a6b75..d2c99ea 100644
---- a/libavformat/rtsp.c
-+++ b/libavformat/rtsp.c
-@@ -2112,6 +2112,8 @@ redo:
-     }
-     if (len == AVERROR(EAGAIN) && first_queue_st &&
-         rt->transport == RTSP_TRANSPORT_RTP) {
-+        av_log(s, AV_LOG_WARNING,
-+                "max delay reached. need to consume packet\n");
-         rtsp_st = first_queue_st;
-         ret = ff_rtp_parse_packet(rtsp_st->transport_priv, pkt, NULL, 0);
-         goto end;
-2.1.4