[FFmpeg-devel] [PATCH 5/5] avformat/imf: Build system

[pal at sandflow.com]

From: Pierre-Anthony Lemieux <pal at sandflow.com>

Signed-off-by: Pierre-Anthony Lemieux <pal at sandflow.com>
---

Notes:
    Modify the FFMPEG build system to add support for an IMF demuxer.

 MAINTAINERS              | 1 +
 configure                | 3 ++-
 doc/demuxers.texi        | 6 ++++++
 libavformat/Makefile     | 2 ++
 libavformat/allformats.c | 1 +
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index dcac46003e..7a6972fe1a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -433,6 +433,7 @@ Muxers/Demuxers:
   idroqdec.c                            Mike Melanson
   iff.c                                 Jaikrishnan Menon
   img2*.c                               Michael Niedermayer
+  imf*.c                                Marc-Antoine Arnaud, Pierre-Anthony Lemieux, Valentin Noël
   ipmovie.c                             Mike Melanson
   ircam*                                Paul B Mahol
   iss.c                                 Stefan Gehrer
diff --git a/configure b/configure
index 92610c7edc..06ed96cdea 100755
--- a/configure
+++ b/configure
@@ -297,7 +297,7 @@ External library support:
   --enable-libxvid         enable Xvid encoding via xvidcore,
                            native MPEG-4/Xvid encoder exists [no]
   --enable-libxml2         enable XML parsing using the C library libxml2, needed
-                           for dash demuxing support [no]
+                           for dash and imf demuxing support [no]
   --enable-libzimg         enable z.lib, needed for zscale filter [no]
   --enable-libzmq          enable message passing via libzmq [no]
   --enable-libzvbi         enable teletext support via libzvbi [no]
@@ -3367,6 +3367,7 @@ hls_muxer_select="mpegts_muxer"
 hls_muxer_suggest="gcrypt openssl"
 image2_alias_pix_demuxer_select="image2_demuxer"
 image2_brender_pix_demuxer_select="image2_demuxer"
+imf_demuxer_deps="libxml2"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
 ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
diff --git a/doc/demuxers.texi b/doc/demuxers.texi
index 1c9575b2e8..37efe6ce1a 100644
--- a/doc/demuxers.texi
+++ b/doc/demuxers.texi
@@ -267,6 +267,12 @@ which streams to actually receive.
 Each stream mirrors the @code{id} and @code{bandwidth} properties from the
 @code{<Representation>} as metadata keys named "id" and "variant_bitrate" respectively.
 
+ at section imf
+
+Interoperable Master Format demuxer.
+
+This demuxer presents audio and video streams found in an IMF Composition.
+
 @section flv, live_flv, kux
 
 Adobe Flash Video Format demuxer.
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 3d6c8ef8f5..dda2bc9a47 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -285,6 +285,7 @@ OBJS-$(CONFIG_IMAGE_WEBP_PIPE_DEMUXER)    += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_XBM_PIPE_DEMUXER)     += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_XPM_PIPE_DEMUXER)     += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_XWD_PIPE_DEMUXER)     += img2dec.o img2.o
+OBJS-$(CONFIG_IMF_DEMUXER)               += imfdec.o imf_cpl.o
 OBJS-$(CONFIG_INGENIENT_DEMUXER)         += ingenientdec.o rawdec.o
 OBJS-$(CONFIG_IPMOVIE_DEMUXER)           += ipmovie.o
 OBJS-$(CONFIG_IPU_DEMUXER)               += ipudec.o rawdec.o
@@ -694,6 +695,7 @@ TESTPROGS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpdh
 TESTPROGS-$(CONFIG_MOV_MUXER)            += movenc
 TESTPROGS-$(CONFIG_NETWORK)              += noproxy
 TESTPROGS-$(CONFIG_SRTP)                 += srtp
+TESTPROGS-$(CONFIG_IMF_DEMUXER)          += imf
 
 TOOLS     = aviocat                                                     \
             ismindex                                                    \
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index cbfadcb639..91cd9a4c73 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -212,6 +212,7 @@ extern const AVInputFormat  ff_image2pipe_demuxer;
 extern const AVOutputFormat ff_image2pipe_muxer;
 extern const AVInputFormat  ff_image2_alias_pix_demuxer;
 extern const AVInputFormat  ff_image2_brender_pix_demuxer;
+extern const AVInputFormat  ff_imf_demuxer;
 extern const AVInputFormat  ff_ingenient_demuxer;
 extern const AVInputFormat  ff_ipmovie_demuxer;
 extern const AVOutputFormat ff_ipod_muxer;
-- 
2.17.1