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isomp4: Fix AV1 default alignment

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ISOMP4 store TU (temporal units) worth of AV1. Expose this in the
caps to reduce overhead in the parser, and in the muxer to avoid
storing frames split in the wrong way.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1837>
This commit is contained in:
Nicolas Dufresne 2022-03-02 16:24:38 -05:00 committed by GStreamer Marge Bot
parent 29826aa80e
commit f6c070fbff
2 changed files with 6 additions and 3 deletions
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6
subprojects/gst-plugins-good/gst/isomp4/gstqtmuxmap.c
View file

@ -205,7 +205,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
COMMON_VIDEO_CAPS "; "
"video/x-dirac, "
COMMON_VIDEO_CAPS "; " "video/x-qt-part, " COMMON_VIDEO_CAPS "; "
"video/x-av1, " COMMON_VIDEO_CAPS),
"video/x-av1, " "alignment = (string) \"tu\", "
COMMON_VIDEO_CAPS ";"),
GST_STATIC_CAPS (PCM_CAPS_FULL "; "
PCM_CAPS_UNPOSITIONED " ; "
MP123_CAPS " ; "
@ -229,7 +230,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
GST_STATIC_CAPS ("video/quicktime, variant = (string) iso"),
GST_STATIC_CAPS (MPEG4V_CAPS "; " H264_CAPS ";" H265_CAPS ";"
"video/x-mp4-part," COMMON_VIDEO_CAPS "; "
"video/x-av1, " COMMON_VIDEO_CAPS),
"video/x-av1, " "alignment = (string) \"tu\", "
COMMON_VIDEO_CAPS ";"),
GST_STATIC_CAPS (MP123_CAPS "; "
AAC_CAPS " ; " AC3_CAPS " ; " ALAC_CAPS " ; " OPUS_CAPS),
GST_STATIC_CAPS (TEXT_UTF8),

3
subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
View file

@ -14749,7 +14749,8 @@ qtdemux_video_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
break;
case FOURCC_av01:
_codec ("AV1");
caps = gst_caps_new_empty_simple ("video/x-av1");
caps = gst_caps_new_simple ("video/x-av1",
"alignment", G_TYPE_STRING, "tu", NULL);
break;
case GST_MAKE_FOURCC ('k', 'p', 'c', 'd'):
default: