avformat: Constify all muxer/demuxers

[ffmpeg] / libavformat / mpegenc.c

diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c
index d37f181eaac2496a6e21781b472ce757b9b4e520..93c4920904325b0d779a6b34a3a267e5e3c4fa1a 100644 (file)
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@@ -83,10 +83,10 @@ typedef struct MpegMuxContext {
     int preload;
 } MpegMuxContext;
 
-extern AVOutputFormat ff_mpeg1vcd_muxer;
-extern AVOutputFormat ff_mpeg2dvd_muxer;
-extern AVOutputFormat ff_mpeg2svcd_muxer;
-extern AVOutputFormat ff_mpeg2vob_muxer;
+extern const AVOutputFormat ff_mpeg1vcd_muxer;
+extern const AVOutputFormat ff_mpeg2dvd_muxer;
+extern const AVOutputFormat ff_mpeg2svcd_muxer;
+extern const AVOutputFormat ff_mpeg2vob_muxer;
 
 static int put_pack_header(AVFormatContext *ctx, uint8_t *buf,
                            int64_t timestamp)
@@ -1290,7 +1290,7 @@ static const AVClass flavor ## _class = {       \
 
 #if CONFIG_MPEG1SYSTEM_MUXER
 MPEGENC_CLASS(mpeg)
-AVOutputFormat ff_mpeg1system_muxer = {
+const AVOutputFormat ff_mpeg1system_muxer = {
     .name              = "mpeg",
     .long_name         = NULL_IF_CONFIG_SMALL("MPEG-1 Systems / MPEG program stream"),
     .mime_type         = "video/mpeg",
@@ -1308,7 +1308,7 @@ AVOutputFormat ff_mpeg1system_muxer = {
 
 #if CONFIG_MPEG1VCD_MUXER
 MPEGENC_CLASS(vcd)
-AVOutputFormat ff_mpeg1vcd_muxer = {
+const AVOutputFormat ff_mpeg1vcd_muxer = {
     .name              = "vcd",
     .long_name         = NULL_IF_CONFIG_SMALL("MPEG-1 Systems / MPEG program stream (VCD)"),
     .mime_type         = "video/mpeg",
@@ -1325,7 +1325,7 @@ AVOutputFormat ff_mpeg1vcd_muxer = {
 
 #if CONFIG_MPEG2VOB_MUXER
 MPEGENC_CLASS(vob)
-AVOutputFormat ff_mpeg2vob_muxer = {
+const AVOutputFormat ff_mpeg2vob_muxer = {
     .name              = "vob",
     .long_name         = NULL_IF_CONFIG_SMALL("MPEG-2 PS (VOB)"),
     .mime_type         = "video/mpeg",
@@ -1344,7 +1344,7 @@ AVOutputFormat ff_mpeg2vob_muxer = {
 /* Same as mpeg2vob_mux except that the pack size is 2324 */
 #if CONFIG_MPEG2SVCD_MUXER
 MPEGENC_CLASS(svcd)
-AVOutputFormat ff_mpeg2svcd_muxer = {
+const AVOutputFormat ff_mpeg2svcd_muxer = {
     .name              = "svcd",
     .long_name         = NULL_IF_CONFIG_SMALL("MPEG-2 PS (SVCD)"),
     .mime_type         = "video/mpeg",
@@ -1363,7 +1363,7 @@ AVOutputFormat ff_mpeg2svcd_muxer = {
 /*  Same as mpeg2vob_mux except the 'is_dvd' flag is set to produce NAV pkts */
 #if CONFIG_MPEG2DVD_MUXER
 MPEGENC_CLASS(dvd)
-AVOutputFormat ff_mpeg2dvd_muxer = {
+const AVOutputFormat ff_mpeg2dvd_muxer = {
     .name              = "dvd",
     .long_name         = NULL_IF_CONFIG_SMALL("MPEG-2 PS (DVD VOB)"),
     .mime_type         = "video/mpeg",