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| author | Martin Storsjö <martin@martin.st> | 2016-04-27 14:36:24 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2016-04-30 20:57:41 +0300 |
| commit | 70c77fdfc1076fd7f6cd20079237ddc97e1a10bc (patch) | |
| tree | f5c35ae7804dee5b004f0a9f80bccbc96ae3f25e /libavformat/rtpdec_vp9.c | |
| parent | 33b83d89e3720aecc60b4df3d8021cbc5780dd91 (diff) | |
| download | ffmpeg-70c77fdfc1076fd7f6cd20079237ddc97e1a10bc.tar.gz | |
rtpdec_vp9: Update header parsing to spec draft 02
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/rtpdec_vp9.c')
| -rw-r--r-- | libavformat/rtpdec_vp9.c | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/libavformat/rtpdec_vp9.c b/libavformat/rtpdec_vp9.c index 2180983776..504946928a 100644 --- a/libavformat/rtpdec_vp9.c +++ b/libavformat/rtpdec_vp9.c @@ -1,5 +1,5 @@ /* - * RTP parser for VP9 payload format (draft version 0) - experimental + * RTP parser for VP9 payload format (draft version 02) - experimental * Copyright (c) 2015 Thomas Volkert <thomas@homer-conferencing.com> * * This file is part of Libav. @@ -45,8 +45,8 @@ static int vp9_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_vp9_ctx, const uint8_t *buf, int len, uint16_t seq, int flags) { - int has_pic_id, has_layer_idc, has_ref_idc, has_ss_data, has_su_data; - av_unused int pic_id = 0, non_key_frame = 0; + int has_pic_id, has_layer_idc, has_ref_idc, has_ss_data; + av_unused int pic_id = 0, non_key_frame = 0, inter_picture_layer_frame; av_unused int layer_temporal = -1, layer_spatial = -1, layer_quality = -1; int ref_fields = 0, has_ref_field_ext_pic_id = 0; int first_fragment, last_fragment; @@ -68,24 +68,24 @@ static int vp9_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_vp9_ctx, * * 0 1 2 3 4 5 6 7 * +-+-+-+-+-+-+-+-+ - * |I|L|F|B|E|V|U|-| (REQUIRED) + * |I|P|L|F|B|E|V|-| (REQUIRED) * +-+-+-+-+-+-+-+-+ * * I: PictureID present + * P: Inter-picture predicted layer frame * L: Layer indices present - * F: Reference indices present + * F: Flexible mode * B: Start of VP9 frame * E: End of picture * V: Scalability Structure (SS) present - * U: Scalability Structure Update (SU) present */ has_pic_id = !!(buf[0] & 0x80); - has_layer_idc = !!(buf[0] & 0x40); - has_ref_idc = !!(buf[0] & 0x20); - first_fragment = !!(buf[0] & 0x10); - last_fragment = !!(buf[0] & 0x08); - has_ss_data = !!(buf[0] & 0x04); - has_su_data = !!(buf[0] & 0x02); + inter_picture_layer_frame = !!(buf[0] & 0x40); + has_layer_idc = !!(buf[0] & 0x20); + has_ref_idc = !!(buf[0] & 0x10); + first_fragment = !!(buf[0] & 0x08); + last_fragment = !!(buf[0] & 0x04); + has_ss_data = !!(buf[0] & 0x02); rtp_m = !!(flags & RTP_FLAG_MARKER); @@ -227,16 +227,6 @@ static int vp9_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_vp9_ctx, } /* - * decode the scalability update structure (SU) - * - * spec. is tbd - */ - if (has_su_data) { - avpriv_report_missing_feature(ctx, "VP9 scalability update structure data"); - return AVERROR(ENOSYS); - } - - /* * decode the VP9 payload header * * spec. is tbd |