From 66408fce493b36578638ee22b6305bc065bcede2 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Wed, 20 Jul 2016 21:55:12 -0300
Subject: [PATCH] avformat: add an Ogg Video muxer

Signed-off-by: James Almer <jamrial@gmail.com>
---
 Changelog                |  1 +
 configure                |  1 +
 libavformat/Makefile     |  2 ++
 libavformat/allformats.c |  1 +
 libavformat/oggenc.c     | 24 +++++++++++++++++++++++-
 libavformat/version.h    |  2 +-
 6 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/Changelog b/Changelog
index 77fe44a04e..196a574372 100644
--- a/Changelog
+++ b/Changelog
@@ -5,6 +5,7 @@ version <next>:
 - libopenmpt demuxer
 - tee protocol
 - Changed metadata print option to accept general urls
+- Alias muxer for Ogg Video (.ogv)
 
 
 version 3.1:
diff --git a/configure b/configure
index cc51e67eaa..1b41303e74 100755
--- a/configure
+++ b/configure
@@ -2860,6 +2860,7 @@ nut_muxer_select="riffenc"
 nuv_demuxer_select="riffdec"
 oga_muxer_select="ogg_muxer"
 ogg_demuxer_select="dirac_parse"
+ogv_muxer_select="ogg_muxer"
 opus_muxer_select="ogg_muxer"
 psp_muxer_select="mov_muxer"
 rtp_demuxer_select="sdp_demuxer"
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 52f35f0eb6..c3f38b4081 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -340,6 +340,8 @@ OBJS-$(CONFIG_OGA_MUXER)                 += oggenc.o \
                                             vorbiscomment.o
 OBJS-$(CONFIG_OGG_MUXER)                 += oggenc.o \
                                             vorbiscomment.o
+OBJS-$(CONFIG_OGV_MUXER)                 += oggenc.o \
+                                            vorbiscomment.o
 OBJS-$(CONFIG_OMA_DEMUXER)               += omadec.o pcm.o oma.o
 OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o oma.o id3v2enc.o
 OBJS-$(CONFIG_OPUS_MUXER)                += oggenc.o \
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 58c33a62be..10c9bcce7f 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -225,6 +225,7 @@ void av_register_all(void)
     REGISTER_DEMUXER (NUV,              nuv);
     REGISTER_MUXER   (OGA,              oga);
     REGISTER_MUXDEMUX(OGG,              ogg);
+    REGISTER_MUXER   (OGV,              ogv);
     REGISTER_MUXDEMUX(OMA,              oma);
     REGISTER_MUXER   (OPUS,             opus);
     REGISTER_DEMUXER (PAF,              paf);
diff --git a/libavformat/oggenc.c b/libavformat/oggenc.c
index 952261b4af..2d64b77273 100644
--- a/libavformat/oggenc.c
+++ b/libavformat/oggenc.c
@@ -668,7 +668,10 @@ AVOutputFormat ff_ogg_muxer = {
     .name              = "ogg",
     .long_name         = NULL_IF_CONFIG_SMALL("Ogg"),
     .mime_type         = "application/ogg",
-    .extensions        = "ogg,ogv"
+    .extensions        = "ogg"
+#if !CONFIG_OGV_MUXER
+                         ",ogv"
+#endif
 #if !CONFIG_SPX_MUXER
                          ",spx"
 #endif
@@ -705,6 +708,25 @@ AVOutputFormat ff_oga_muxer = {
 };
 #endif
 
+#if CONFIG_OGV_MUXER
+OGG_CLASS(ogv, Ogg video)
+AVOutputFormat ff_ogv_muxer = {
+    .name              = "ogv",
+    .long_name         = NULL_IF_CONFIG_SMALL("Ogg Video"),
+    .mime_type         = "video/ogg",
+    .extensions        = "ogv",
+    .priv_data_size    = sizeof(OGGContext),
+    .audio_codec       = CONFIG_LIBVORBIS_ENCODER ?
+                         AV_CODEC_ID_VORBIS : AV_CODEC_ID_FLAC,
+    .video_codec       = AV_CODEC_ID_THEORA,
+    .write_header      = ogg_write_header,
+    .write_packet      = ogg_write_packet,
+    .write_trailer     = ogg_write_trailer,
+    .flags             = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+    .priv_class        = &ogv_muxer_class,
+};
+#endif
+
 #if CONFIG_SPX_MUXER
 OGG_CLASS(spx, Ogg Speex)
 AVOutputFormat ff_spx_muxer = {
diff --git a/libavformat/version.h b/libavformat/version.h
index 307542e4ae..56308088b0 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -32,7 +32,7 @@
 // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
 // Also please add any ticket numbers that you belive might be affected here
 #define LIBAVFORMAT_VERSION_MAJOR  57
-#define LIBAVFORMAT_VERSION_MINOR  43
+#define LIBAVFORMAT_VERSION_MINOR  44
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \