build: Introduce iso_media component

configure

@@ -1706,6 +1706,7 @@ CONFIG_EXTRA="
     iirfilter
     imdct15
     intrax8
+    iso_media
     ividsp
     jpegtables
     libx262
@@ -2249,11 +2250,11 @@ ac3_demuxer_select="ac3_parser"
 asf_demuxer_select="riffdec"
 asf_muxer_select="riffenc"
 asf_stream_muxer_select="asf_muxer"
-avi_demuxer_select="riffdec"
+avi_demuxer_select="iso_media riffdec"
 avi_muxer_select="riffenc"
 avisynth_demuxer_deps="avisynth"
 avisynth_demuxer_select="riffdec"
-caf_demuxer_select="riffdec"
+caf_demuxer_select="iso_media riffdec"
 dash_muxer_select="mp4_muxer"
 dirac_demuxer_select="dirac_parser"
 dv_demuxer_select="dvprofile"
@@ -2267,15 +2268,16 @@ hls_muxer_select="mpegts_muxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
 matroska_audio_muxer_select="matroska_muxer"
-matroska_demuxer_select="riffdec"
+matroska_demuxer_select="iso_media riffdec"
 matroska_demuxer_suggest="bzlib lzo zlib"
-matroska_muxer_select="riffenc"
+matroska_muxer_select="iso_media riffenc"
 mmf_muxer_select="riffenc"
-mov_demuxer_select="riffdec"
+mov_demuxer_select="iso_media riffdec"
 mov_demuxer_suggest="zlib"
-mov_muxer_select="riffenc rtpenc_chain"
+mov_muxer_select="iso_media riffenc rtpenc_chain"
 mp3_demuxer_select="mpegaudio_parser"
 mp4_muxer_select="mov_muxer"
+mpegts_demuxer_select="iso_media"
 mpegts_muxer_select="adts_muxer latm_muxer"
 mpegtsraw_demuxer_select="mpegts_demuxer"
 mxf_d10_muxer_select="mxf_muxer"
@@ -2302,7 +2304,7 @@ tgp_muxer_select="mov_muxer"
 w64_demuxer_select="wav_demuxer"
 wav_demuxer_select="riffdec"
 wav_muxer_select="riffenc"
-webm_muxer_select="riffenc"
+webm_muxer_select="iso_media riffenc"
 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
 wtv_demuxer_select="mpegts_demuxer riffdec"
 xmv_demuxer_select="riffdec"

libavcodec/Makefile

@@ -620,26 +620,22 @@ OBJS-$(CONFIG_VC1_VAAPI_HWACCEL)          += vaapi_vc1.o
 OBJS-$(CONFIG_VC1_VDPAU_HWACCEL)          += vdpau_vc1.o
 
 # libavformat dependencies
+OBJS-$(CONFIG_ISO_MEDIA)               += mpeg4audio.o mpegaudiodata.o
+
 OBJS-$(CONFIG_ADTS_MUXER)              += mpeg4audio.o
-OBJS-$(CONFIG_CAF_DEMUXER)             += mpeg4audio.o mpegaudiodata.o  \
-                                          ac3tab.o
+OBJS-$(CONFIG_CAF_DEMUXER)             += ac3tab.o
 OBJS-$(CONFIG_FLAC_MUXER)              += flac.o flacdata.o
 OBJS-$(CONFIG_FLV_DEMUXER)             += mpeg4audio.o
 OBJS-$(CONFIG_GXF_DEMUXER)             += mpeg12data.o
 OBJS-$(CONFIG_IFF_DEMUXER)             += iff.o
-OBJS-$(CONFIG_ISMV_MUXER)              += mpeg4audio.o mpegaudiodata.o
 OBJS-$(CONFIG_LATM_MUXER)              += mpeg4audio.o
 OBJS-$(CONFIG_MATROSKA_AUDIO_MUXER)    += mpeg4audio.o                  \
                                           flac.o flacdata.o
-OBJS-$(CONFIG_MATROSKA_DEMUXER)        += mpeg4audio.o mpegaudiodata.o
-OBJS-$(CONFIG_MATROSKA_MUXER)          += mpeg4audio.o mpegaudiodata.o  \
-                                          flac.o flacdata.o
+OBJS-$(CONFIG_MATROSKA_MUXER)          += flac.o flacdata.o
 OBJS-$(CONFIG_MP2_MUXER)               += mpegaudiodata.o mpegaudiodecheader.o
 OBJS-$(CONFIG_MP3_MUXER)               += mpegaudiodata.o mpegaudiodecheader.o
-OBJS-$(CONFIG_MOV_DEMUXER)             += mpeg4audio.o mpegaudiodata.o ac3tab.o
-OBJS-$(CONFIG_MOV_MUXER)               += mpeg4audio.o mpegaudiodata.o
+OBJS-$(CONFIG_MOV_DEMUXER)             += ac3tab.o
 OBJS-$(CONFIG_MPEGTS_MUXER)            += mpeg4audio.o
-OBJS-$(CONFIG_MPEGTS_DEMUXER)          += mpeg4audio.o mpegaudiodata.o
 OBJS-$(CONFIG_NUT_MUXER)               += mpegaudiodata.o
 OBJS-$(CONFIG_OGG_DEMUXER)             += mpeg12data.o \
                                           dirac.o

libavformat/Makefile

@@ -22,6 +22,8 @@ OBJS = allformats.o         \
        url.o                \
        utils.o              \
 
+# subsystems
+OBJS-$(CONFIG_ISO_MEDIA)                 += isom.o
 OBJS-$(CONFIG_NETWORK)                   += network.o
 OBJS-$(CONFIG_RIFFDEC)                   += riffdec.o
 OBJS-$(CONFIG_RIFFENC)                   += riffenc.o
@@ -78,7 +80,7 @@ OBJS-$(CONFIG_ASS_DEMUXER)               += assdec.o
 OBJS-$(CONFIG_ASS_MUXER)                 += assenc.o
 OBJS-$(CONFIG_AU_DEMUXER)                += au.o pcm.o
 OBJS-$(CONFIG_AU_MUXER)                  += au.o rawenc.o
-OBJS-$(CONFIG_AVI_DEMUXER)               += avidec.o isom.o
+OBJS-$(CONFIG_AVI_DEMUXER)               += avidec.o
 OBJS-$(CONFIG_AVI_MUXER)                 += avienc.o
 OBJS-$(CONFIG_AVISYNTH)                  += avisynth.o
 OBJS-$(CONFIG_AVM2_MUXER)                += swfenc.o swf.o
@@ -89,13 +91,13 @@ OBJS-$(CONFIG_BINK_DEMUXER)              += bink.o
 OBJS-$(CONFIG_BMV_DEMUXER)               += bmv.o
 OBJS-$(CONFIG_C93_DEMUXER)               += c93.o vocdec.o voc.o
 OBJS-$(CONFIG_CAF_DEMUXER)               += cafdec.o caf.o mov.o mov_chan.o \
-                                            isom.o replaygain.o
+                                            replaygain.o
 OBJS-$(CONFIG_CAVSVIDEO_DEMUXER)         += cavsvideodec.o rawdec.o
 OBJS-$(CONFIG_CAVSVIDEO_MUXER)           += rawenc.o
 OBJS-$(CONFIG_CDG_DEMUXER)               += cdg.o
 OBJS-$(CONFIG_CDXL_DEMUXER)              += cdxl.o
 OBJS-$(CONFIG_CRC_MUXER)                 += crcenc.o
-OBJS-$(CONFIG_DASH_MUXER)                += dashenc.o isom.o
+OBJS-$(CONFIG_DASH_MUXER)                += dashenc.o
 OBJS-$(CONFIG_DAUD_DEMUXER)              += dauddec.o
 OBJS-$(CONFIG_DAUD_MUXER)                += daudenc.o
 OBJS-$(CONFIG_DFA_DEMUXER)               += dfa.o
@@ -173,11 +175,11 @@ OBJS-$(CONFIG_LXF_DEMUXER)               += lxfdec.o
 OBJS-$(CONFIG_M4V_DEMUXER)               += m4vdec.o rawdec.o
 OBJS-$(CONFIG_M4V_MUXER)                 += rawenc.o
 OBJS-$(CONFIG_MATROSKA_DEMUXER)          += matroskadec.o matroska.o  \
-                                            isom.o rmsipr.o \
+                                            rmsipr.o \
                                             oggparsevorbis.o vorbiscomment.o \
                                             flac_picture.o replaygain.o
 OBJS-$(CONFIG_MATROSKA_MUXER)            += matroskaenc.o matroska.o \
-                                            isom.o avc.o hevc.o \
+                                            avc.o hevc.o \
                                             flacenc_header.o avlanguage.o vorbiscomment.o wv.o
 OBJS-$(CONFIG_MD5_MUXER)                 += md5enc.o
 OBJS-$(CONFIG_MJPEG_DEMUXER)             += rawdec.o
@@ -187,8 +189,8 @@ OBJS-$(CONFIG_MLP_MUXER)                 += rawenc.o
 OBJS-$(CONFIG_MM_DEMUXER)                += mm.o
 OBJS-$(CONFIG_MMF_DEMUXER)               += mmf.o pcm.o
 OBJS-$(CONFIG_MMF_MUXER)                 += mmf.o
-OBJS-$(CONFIG_MOV_DEMUXER)               += mov.o isom.o mov_chan.o replaygain.o
-OBJS-$(CONFIG_MOV_MUXER)                 += movenc.o isom.o avc.o hevc.o \
+OBJS-$(CONFIG_MOV_DEMUXER)               += mov.o mov_chan.o replaygain.o
+OBJS-$(CONFIG_MOV_MUXER)                 += movenc.o avc.o hevc.o \
                                             movenchint.o mov_chan.o
 OBJS-$(CONFIG_MP2_MUXER)                 += mp3enc.o rawenc.o id3v2enc.o
 OBJS-$(CONFIG_MP3_DEMUXER)               += mp3dec.o replaygain.o
@@ -203,7 +205,7 @@ OBJS-$(CONFIG_MPEG2SVCD_MUXER)           += mpegenc.o
 OBJS-$(CONFIG_MPEG1VIDEO_MUXER)          += rawenc.o
 OBJS-$(CONFIG_MPEG2VIDEO_MUXER)          += rawenc.o
 OBJS-$(CONFIG_MPEGPS_DEMUXER)            += mpeg.o
-OBJS-$(CONFIG_MPEGTS_DEMUXER)            += mpegts.o isom.o
+OBJS-$(CONFIG_MPEGTS_DEMUXER)            += mpegts.o
 OBJS-$(CONFIG_MPEGTS_MUXER)              += mpegtsenc.o
 OBJS-$(CONFIG_MPEGVIDEO_DEMUXER)         += mpegvideodec.o rawdec.o
 OBJS-$(CONFIG_MPJPEG_DEMUXER)            += mpjpegdec.o
@@ -323,7 +325,7 @@ OBJS-$(CONFIG_SIFF_DEMUXER)              += siff.o
 OBJS-$(CONFIG_SMACKER_DEMUXER)           += smacker.o
 OBJS-$(CONFIG_SMJPEG_DEMUXER)            += smjpegdec.o smjpeg.o
 OBJS-$(CONFIG_SMJPEG_MUXER)              += smjpegenc.o smjpeg.o
-OBJS-$(CONFIG_SMOOTHSTREAMING_MUXER)     += smoothstreamingenc.o isom.o
+OBJS-$(CONFIG_SMOOTHSTREAMING_MUXER)     += smoothstreamingenc.o
 OBJS-$(CONFIG_SMUSH_DEMUXER)             += smush.o
 OBJS-$(CONFIG_SOL_DEMUXER)               += sol.o pcm.o
 OBJS-$(CONFIG_SOX_DEMUXER)               += soxdec.o pcm.o
@@ -356,7 +358,7 @@ OBJS-$(CONFIG_WAV_DEMUXER)               += wavdec.o pcm.o
 OBJS-$(CONFIG_WAV_MUXER)                 += wavenc.o
 OBJS-$(CONFIG_WC3_DEMUXER)               += wc3movie.o
 OBJS-$(CONFIG_WEBM_MUXER)                += matroskaenc.o matroska.o \
-                                            isom.o avc.o hevc.o \
+                                            avc.o hevc.o \
                                             flacenc_header.o avlanguage.o \
                                             wv.o vorbiscomment.o
 OBJS-$(CONFIG_WSAUD_DEMUXER)             += westwood_aud.o