From d7638d8dfc3c4ffd0dc18a64937a5a07ed67b354 Mon Sep 17 00:00:00 2001 From: Martin Storsjö Date: Fri, 5 Oct 2018 16:16:11 +0300 Subject: flvdec: Export unknown metadata packets as opaque data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Martin Storsjö --- libavformat/flv.h | 1 + libavformat/flvdec.c | 18 ++++++++++++++---- libavformat/version.h | 2 +- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/libavformat/flv.h b/libavformat/flv.h index 3aabb3adc9..3571b90279 100644 --- a/libavformat/flv.h +++ b/libavformat/flv.h @@ -66,6 +66,7 @@ enum { FLV_STREAM_TYPE_VIDEO, FLV_STREAM_TYPE_AUDIO, FLV_STREAM_TYPE_SUBTITLE, + FLV_STREAM_TYPE_DATA, FLV_STREAM_TYPE_NB, }; diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c index ffc975f15d..4b9f46902b 100644 --- a/libavformat/flvdec.c +++ b/libavformat/flvdec.c @@ -143,7 +143,9 @@ static AVStream *create_stream(AVFormatContext *s, int codec_type) st->codecpar->codec_type = codec_type; if (s->nb_streams>=3 ||( s->nb_streams==2 && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE - && s->streams[1]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE)) + && s->streams[1]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE + && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_DATA + && s->streams[1]->codecpar->codec_type != AVMEDIA_TYPE_DATA)) s->ctx_flags &= ~AVFMTCTX_NOHEADER; if (codec_type == AVMEDIA_TYPE_AUDIO) { st->codecpar->bit_rate = flv->audio_bit_rate; @@ -1001,7 +1003,7 @@ retry: int type; meta_pos = avio_tell(s->pb); type = flv_read_metabody(s, next); - if (type == 0 && dts == 0 || type < 0 || type == TYPE_UNKNOWN) { + if (type == 0 && dts == 0 || type < 0) { if (type < 0 && flv->validate_count && flv->validate_index[0].pos > next && flv->validate_index[0].pos - 4 < next @@ -1015,6 +1017,8 @@ retry: return flv_data_packet(s, pkt, dts, next); } else if (type == TYPE_ONCAPTION) { return flv_data_packet(s, pkt, dts, next); + } else if (type == TYPE_UNKNOWN) { + stream_type = FLV_STREAM_TYPE_DATA; } avio_seek(s->pb, meta_pos, SEEK_SET); } @@ -1054,10 +1058,13 @@ skip: } else if (stream_type == FLV_STREAM_TYPE_SUBTITLE) { if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) break; + } else if (stream_type == FLV_STREAM_TYPE_DATA) { + if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) + break; } } if (i == s->nb_streams) { - static const enum AVMediaType stream_types[] = {AVMEDIA_TYPE_VIDEO, AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_SUBTITLE}; + static const enum AVMediaType stream_types[] = {AVMEDIA_TYPE_VIDEO, AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_SUBTITLE, AVMEDIA_TYPE_DATA}; st = create_stream(s, stream_types[stream_type]); if (!st) return AVERROR(ENOMEM); @@ -1153,6 +1160,8 @@ retry_duration: size -= ret; } else if (stream_type == FLV_STREAM_TYPE_SUBTITLE) { st->codecpar->codec_id = AV_CODEC_ID_TEXT; + } else if (stream_type == FLV_STREAM_TYPE_DATA) { + st->codecpar->codec_id = AV_CODEC_ID_NONE; // Opaque AMF data } if (st->codecpar->codec_id == AV_CODEC_ID_AAC || @@ -1253,7 +1262,8 @@ retry_duration: if ( stream_type == FLV_STREAM_TYPE_AUDIO || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY) || - stream_type == FLV_STREAM_TYPE_SUBTITLE) + stream_type == FLV_STREAM_TYPE_SUBTITLE || + stream_type == FLV_STREAM_TYPE_DATA) pkt->flags |= AV_PKT_FLAG_KEY; leave: diff --git a/libavformat/version.h b/libavformat/version.h index 3a839f2fa8..843f922f9c 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -32,7 +32,7 @@ // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium) // Also please add any ticket numbers that you believe might be affected here #define LIBAVFORMAT_VERSION_MAJOR 58 -#define LIBAVFORMAT_VERSION_MINOR 21 +#define LIBAVFORMAT_VERSION_MINOR 22 #define LIBAVFORMAT_VERSION_MICRO 100 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ -- cgit v1.2.3