[FFmpeg-devel] [PATCH]lavf/rawenc: Add a gsm muxer

[Carl Eugen Hoyos]

On Saturday 02 April 2016 03:23:31 pm Michael Niedermayer wrote:
> On Sat, Apr 02, 2016 at 10:29:20AM +0200, Carl Eugen Hoyos wrote:
> > Hi!
> >
> > Attached is a probe function for gsm and a patch for a gsm muxer to allow
> > testing. The file format is for example supported by sox.
> >
> > Please comment, Carl Eugen
>
> breaks fate-gif-deal somehow

Cool effect, new muxer patch attached.

Thank you, Carl Eugen
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diff --git a/libavformat/Makefile b/libavformat/Makefile
index a54e6cb..77b6730 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -180,6 +180,7 @@ OBJS-$(CONFIG_FSB_DEMUXER)               += fsb.o
 OBJS-$(CONFIG_GIF_MUXER)                 += gif.o
 OBJS-$(CONFIG_GIF_DEMUXER)               += gifdec.o
 OBJS-$(CONFIG_GSM_DEMUXER)               += gsmdec.o
+OBJS-$(CONFIG_GSM_MUXER)                 += rawenc.o
 OBJS-$(CONFIG_GXF_DEMUXER)               += gxf.o
 OBJS-$(CONFIG_GXF_MUXER)                 += gxfenc.o audiointerleave.o
 OBJS-$(CONFIG_G722_DEMUXER)              += g722.o rawdec.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 94f258d..80f6d28 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -138,7 +138,7 @@ void av_register_all(void)
     REGISTER_DEMUXER (G729,             g729);
     REGISTER_DEMUXER (GENH,             genh);
     REGISTER_MUXDEMUX(GIF,              gif);
-    REGISTER_DEMUXER (GSM,              gsm);
+    REGISTER_MUXDEMUX(GSM,              gsm);
     REGISTER_MUXDEMUX(GXF,              gxf);
     REGISTER_MUXDEMUX(H261,             h261);
     REGISTER_MUXDEMUX(H263,             h263);
diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c
index 358ee4e..14ba9fb 100644
--- a/libavformat/rawenc.c
+++ b/libavformat/rawenc.c
@@ -193,6 +193,20 @@ AVOutputFormat ff_g723_1_muxer = {
 };
 #endif
 
+#if CONFIG_GSM_MUXER
+AVOutputFormat ff_gsm_muxer = {
+    .name              = "gsm",
+    .long_name         = NULL_IF_CONFIG_SMALL("raw GSM"),
+    .mime_type         = "audio/x-gsm",
+    .extensions        = "gsm",
+    .audio_codec       = AV_CODEC_ID_GSM,
+    .video_codec       = AV_CODEC_ID_NONE,
+    .write_header      = force_one_stream,
+    .write_packet      = ff_raw_write_packet,
+    .flags             = AVFMT_NOTIMESTAMPS,
+};
+#endif
+
 #if CONFIG_H261_MUXER
 AVOutputFormat ff_h261_muxer = {
     .name              = "h261",