Add LATM demuxer

This is a raw demuxer for the AAC LATM decoder and thus limited to
single stream LOAS.

Changelog

@@ -42,7 +42,7 @@ easier to use. The changes are:
     * -intra option was removed, it's equivalent to -g 0.
 - XMV demuxer
 - Windows Media Image decoder
-- LATM muxer
+- LATM muxer/demuxer
 - showinfo filter
 - split filter
 - libcdio-paranoia input device for audio CD grabbing

libavformat/Makefile

@@ -109,6 +109,7 @@ OBJS-$(CONFIG_IV8_DEMUXER)               += iv8.o
 OBJS-$(CONFIG_IVF_DEMUXER)               += ivfdec.o riff.o
 OBJS-$(CONFIG_IVF_MUXER)                 += ivfenc.o
 OBJS-$(CONFIG_JV_DEMUXER)                += jvdec.o
+OBJS-$(CONFIG_LATM_DEMUXER)              += rawdec.o
 OBJS-$(CONFIG_LATM_MUXER)                += latmenc.o
 OBJS-$(CONFIG_LMLM4_DEMUXER)             += lmlm4.o
 OBJS-$(CONFIG_LXF_DEMUXER)               += lxfdec.o

libavformat/allformats.c

@@ -113,7 +113,7 @@ void av_register_all(void)
     REGISTER_DEMUXER  (IV8, iv8);
     REGISTER_MUXDEMUX (IVF, ivf);
     REGISTER_DEMUXER  (JV, jv);
-    REGISTER_MUXER    (LATM, latm);
+    REGISTER_MUXDEMUX (LATM, latm);
     REGISTER_DEMUXER  (LMLM4, lmlm4);
     REGISTER_DEMUXER  (LXF, lxf);
     REGISTER_MUXDEMUX (M4V, m4v);

libavformat/rawdec.c

@@ -198,6 +198,18 @@ AVInputFormat ff_gsm_demuxer = {
 };
 #endif
 
+#if CONFIG_LATM_DEMUXER
+AVInputFormat ff_latm_demuxer = {
+    .name           = "latm",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw LOAS/LATM"),
+    .read_header    = ff_raw_audio_read_header,
+    .read_packet    = ff_raw_read_partial_packet,
+    .flags= AVFMT_GENERIC_INDEX,
+    .extensions = "latm",
+    .value = CODEC_ID_AAC_LATM,
+};
+#endif
+
 #if CONFIG_MJPEG_DEMUXER
 FF_DEF_RAWVIDEO_DEMUXER(mjpeg, "raw MJPEG video", NULL, "mjpg,mjpeg", CODEC_ID_MJPEG)
 #endif

libavformat/version.h

@@ -24,7 +24,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 53
-#define LIBAVFORMAT_VERSION_MINOR  7
+#define LIBAVFORMAT_VERSION_MINOR  8
 #define LIBAVFORMAT_VERSION_MICRO  0
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \