From: "Jan Ekström" <jeebjp@gmail.com> To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH 4/6] avformat/movenc: move eac3_info definition so that it can be used for AC-3 Date: Fri, 3 Jun 2022 15:46:18 +0300 Message-ID: <20220603124620.15099-5-jeebjp@gmail.com> (raw) In-Reply-To: <20220603124620.15099-1-jeebjp@gmail.com> From: Jan Ekström <jan.ekstrom@24i.com> Signed-off-by: Jan Ekström <jan.ekstrom@24i.com> --- libavformat/movenc.c | 66 ++++++++++++++++++++++---------------------- 1 file changed, 33 insertions(+), 33 deletions(-) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 2589f2f4bb..5bc1f4c7a4 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -327,6 +327,39 @@ static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track) return 0x11; } +struct eac3_info { + AVPacket *pkt; + uint8_t ec3_done; + uint8_t num_blocks; + + /* Layout of the EC3SpecificBox */ + /* maximum bitrate */ + uint16_t data_rate; + int8_t ac3_bit_rate_code; + /* number of independent substreams */ + uint8_t num_ind_sub; + struct { + /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */ + uint8_t fscod; + /* bit stream identification 5 bits */ + uint8_t bsid; + /* one bit reserved */ + /* audio service mixing (not supported yet) 1 bit */ + /* bit stream mode 3 bits */ + uint8_t bsmod; + /* audio coding mode 3 bits */ + uint8_t acmod; + /* sub woofer on 1 bit */ + uint8_t lfeon; + /* 3 bits reserved */ + /* number of dependent substreams associated with this substream 4 bits */ + uint8_t num_dep_sub; + /* channel locations of the dependent substream(s), if any, 9 bits */ + uint16_t chan_loc; + /* if there is no dependent substream, then one bit reserved instead */ + } substream[1]; /* TODO: support 8 independent substreams */ +}; + static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track) { GetBitContext gbc; @@ -375,39 +408,6 @@ static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *trac return 11; } -struct eac3_info { - AVPacket *pkt; - uint8_t ec3_done; - uint8_t num_blocks; - - /* Layout of the EC3SpecificBox */ - /* maximum bitrate */ - uint16_t data_rate; - int8_t ac3_bit_rate_code; - /* number of independent substreams */ - uint8_t num_ind_sub; - struct { - /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */ - uint8_t fscod; - /* bit stream identification 5 bits */ - uint8_t bsid; - /* one bit reserved */ - /* audio service mixing (not supported yet) 1 bit */ - /* bit stream mode 3 bits */ - uint8_t bsmod; - /* audio coding mode 3 bits */ - uint8_t acmod; - /* sub woofer on 1 bit */ - uint8_t lfeon; - /* 3 bits reserved */ - /* number of dependent substreams associated with this substream 4 bits */ - uint8_t num_dep_sub; - /* channel locations of the dependent substream(s), if any, 9 bits */ - uint16_t chan_loc; - /* if there is no dependent substream, then one bit reserved instead */ - } substream[1]; /* TODO: support 8 independent substreams */ -}; - static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track) { AC3HeaderInfo *hdr = NULL; -- 2.36.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next prev parent reply other threads:[~2022-06-03 12:47 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-03 12:46 [FFmpeg-devel] [PATCH 0/6] avformat/movenc: normalize on AC-3 parser usage Jan Ekström 2022-06-03 12:46 ` [FFmpeg-devel] [PATCH 1/6] avcodec/ac3_parser{, _internal}: expose AC-3 bit_rate_code Jan Ekström 2022-06-03 12:46 ` [FFmpeg-devel] [PATCH 2/6] {configure, avformat/movenc}: enable AC-3 parser for movenc Jan Ekström 2022-06-03 12:46 ` [FFmpeg-devel] [PATCH 3/6] avformat/movenc: enable handle_eac3 to handle AC-3 tracks Jan Ekström 2022-06-03 12:46 ` Jan Ekström [this message] 2022-06-03 12:46 ` [FFmpeg-devel] [PATCH 5/6] avformat/movenc: utilize existing AC-3 parsing workflow for AC-3 Jan Ekström 2022-06-03 12:46 ` [FFmpeg-devel] [PATCH 6/6] avformat/movenc: handle OOM situations when parsing AC-3 headers Jan Ekström 2022-06-07 6:58 ` [FFmpeg-devel] [PATCH 0/6] avformat/movenc: normalize on AC-3 parser usage Jan Ekström 2022-06-09 7:00 ` Jan Ekström 2022-06-17 13:04 [FFmpeg-devel] [PATCH 0/6 v2] " Jan Ekström 2022-06-17 13:04 ` [FFmpeg-devel] [PATCH 4/6] avformat/movenc: move eac3_info definition so that it can be used for AC-3 Jan Ekström
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