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@@ -51,62 +51,7 @@ static const AVCodecTag codec_au_tags[] = { |
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{ AV_CODEC_ID_NONE, 0 }, |
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}; |
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#if CONFIG_AU_MUXER |
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/* AUDIO_FILE header */ |
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static int put_au_header(AVIOContext *pb, AVCodecContext *enc) |
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{ |
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if(!enc->codec_tag) |
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return -1; |
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ffio_wfourcc(pb, ".snd"); /* magic number */ |
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avio_wb32(pb, AU_HEADER_SIZE); /* header size */ |
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avio_wb32(pb, AU_UNKNOWN_SIZE); /* data size */ |
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avio_wb32(pb, (uint32_t)enc->codec_tag); /* codec ID */ |
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avio_wb32(pb, enc->sample_rate); |
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avio_wb32(pb, (uint32_t)enc->channels); |
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avio_wb64(pb, 0); /* annotation field */ |
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return 0; |
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} |
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static int au_write_header(AVFormatContext *s) |
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{ |
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AVIOContext *pb = s->pb; |
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/* format header */ |
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if (put_au_header(pb, s->streams[0]->codec) < 0) { |
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return -1; |
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} |
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avio_flush(pb); |
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return 0; |
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} |
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static int au_write_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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AVIOContext *pb = s->pb; |
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avio_write(pb, pkt->data, pkt->size); |
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return 0; |
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} |
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static int au_write_trailer(AVFormatContext *s) |
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{ |
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AVIOContext *pb = s->pb; |
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int64_t file_size; |
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if (s->pb->seekable) { |
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/* update file size */ |
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file_size = avio_tell(pb); |
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avio_seek(pb, 8, SEEK_SET); |
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avio_wb32(pb, (uint32_t)(file_size - AU_HEADER_SIZE)); |
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avio_seek(pb, file_size, SEEK_SET); |
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avio_flush(pb); |
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} |
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return 0; |
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} |
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#endif /* CONFIG_AU_MUXER */ |
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#if CONFIG_AU_DEMUXER |
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static int au_probe(AVProbeData *p) |
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{ |
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@@ -177,7 +122,6 @@ static int au_read_header(AVFormatContext *s) |
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return 0; |
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} |
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#if CONFIG_AU_DEMUXER |
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AVInputFormat ff_au_demuxer = { |
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.name = "au", |
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.long_name = NULL_IF_CONFIG_SMALL("Sun AU"), |
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@@ -187,9 +131,65 @@ AVInputFormat ff_au_demuxer = { |
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.read_seek = ff_pcm_read_seek, |
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.codec_tag = (const AVCodecTag* const []){ codec_au_tags, 0 }, |
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}; |
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#endif |
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#endif /* CONFIG_AU_DEMUXER */ |
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#if CONFIG_AU_MUXER |
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/* AUDIO_FILE header */ |
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static int put_au_header(AVIOContext *pb, AVCodecContext *enc) |
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{ |
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if(!enc->codec_tag) |
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return -1; |
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ffio_wfourcc(pb, ".snd"); /* magic number */ |
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avio_wb32(pb, AU_HEADER_SIZE); /* header size */ |
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avio_wb32(pb, AU_UNKNOWN_SIZE); /* data size */ |
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avio_wb32(pb, (uint32_t)enc->codec_tag); /* codec ID */ |
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avio_wb32(pb, enc->sample_rate); |
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avio_wb32(pb, (uint32_t)enc->channels); |
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avio_wb64(pb, 0); /* annotation field */ |
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return 0; |
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} |
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static int au_write_header(AVFormatContext *s) |
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{ |
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AVIOContext *pb = s->pb; |
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/* format header */ |
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if (put_au_header(pb, s->streams[0]->codec) < 0) { |
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return -1; |
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} |
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avio_flush(pb); |
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return 0; |
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} |
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static int au_write_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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AVIOContext *pb = s->pb; |
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avio_write(pb, pkt->data, pkt->size); |
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return 0; |
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} |
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static int au_write_trailer(AVFormatContext *s) |
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{ |
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AVIOContext *pb = s->pb; |
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int64_t file_size; |
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if (s->pb->seekable) { |
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/* update file size */ |
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file_size = avio_tell(pb); |
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avio_seek(pb, 8, SEEK_SET); |
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avio_wb32(pb, (uint32_t)(file_size - AU_HEADER_SIZE)); |
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avio_seek(pb, file_size, SEEK_SET); |
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avio_flush(pb); |
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} |
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return 0; |
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} |
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AVOutputFormat ff_au_muxer = { |
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.name = "au", |
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.long_name = NULL_IF_CONFIG_SMALL("Sun AU"), |
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@@ -202,4 +202,4 @@ AVOutputFormat ff_au_muxer = { |
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.write_trailer = au_write_trailer, |
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.codec_tag = (const AVCodecTag* const []){ codec_au_tags, 0 }, |
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}; |
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#endif //CONFIG_AU_MUXER |
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#endif /* CONFIG_AU_MUXER */ |