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au: cosmetics: pretty-print and remove pointless comments
This commit is contained in:
Justin Ruggles
parent
c88d245c98
commit
fd9147f114
@ -32,24 +32,22 @@
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#include "avio_internal.h"
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#include "pcm.h"
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/* The libavcodec codecs we support, and the IDs they have in the file */
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static const AVCodecTag codec_au_tags[] = {
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{ AV_CODEC_ID_PCM_MULAW, 1 },
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{ AV_CODEC_ID_PCM_S8, 2 },
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{ AV_CODEC_ID_PCM_S16BE, 3 },
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{ AV_CODEC_ID_PCM_S24BE, 4 },
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{ AV_CODEC_ID_PCM_S32BE, 5 },
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{ AV_CODEC_ID_PCM_F32BE, 6 },
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{ AV_CODEC_ID_PCM_F64BE, 7 },
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{ AV_CODEC_ID_PCM_ALAW, 27 },
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{ AV_CODEC_ID_NONE, 0 },
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{ AV_CODEC_ID_PCM_MULAW, 1 },
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{ AV_CODEC_ID_PCM_S8, 2 },
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{ AV_CODEC_ID_PCM_S16BE, 3 },
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{ AV_CODEC_ID_PCM_S24BE, 4 },
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{ AV_CODEC_ID_PCM_S32BE, 5 },
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{ AV_CODEC_ID_PCM_F32BE, 6 },
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{ AV_CODEC_ID_PCM_F64BE, 7 },
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{ AV_CODEC_ID_PCM_ALAW, 27 },
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{ AV_CODEC_ID_NONE, 0 },
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};
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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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/* check file header */
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if (p->buf[0] == '.' && p->buf[1] == 's' &&
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p->buf[2] == 'n' && p->buf[3] == 'd')
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return AVPROBE_SCORE_MAX;
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@ -59,7 +57,6 @@ static int au_probe(AVProbeData *p)
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#define BLOCK_SIZE 1024
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/* au input */
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static int au_read_header(AVFormatContext *s)
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{
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int size;
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@ -70,15 +67,14 @@ static int au_read_header(AVFormatContext *s)
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enum AVCodecID codec;
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AVStream *st;
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/* check ".snd" header */
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tag = avio_rl32(pb);
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if (tag != MKTAG('.', 's', 'n', 'd'))
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return -1;
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size = avio_rb32(pb); /* header size */
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avio_rb32(pb); /* data size */
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avio_rb32(pb); /* data size */
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id = avio_rb32(pb);
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rate = avio_rb32(pb);
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id = avio_rb32(pb);
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rate = avio_rb32(pb);
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channels = avio_rb32(pb);
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if (size > 24) {
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@ -109,25 +105,24 @@ static int au_read_header(AVFormatContext *s)
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return AVERROR_INVALIDDATA;
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}
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/* now we are ready: build format streams */
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st = avformat_new_stream(s, NULL);
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if (!st)
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return -1;
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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st->codec->codec_tag = id;
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st->codec->codec_id = codec;
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st->codec->channels = channels;
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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st->codec->codec_tag = id;
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st->codec->codec_id = codec;
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st->codec->channels = channels;
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st->codec->sample_rate = rate;
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st->codec->bit_rate = channels * rate * bps;
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st->codec->block_align = channels * bps >> 3;
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st->start_time = 0;
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avpriv_set_pts_info(st, 64, 1, rate);
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return 0;
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}
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static int au_read_packet(AVFormatContext *s,
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AVPacket *pkt)
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static int au_read_packet(AVFormatContext *s, AVPacket *pkt)
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{
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int ret;
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@ -135,6 +130,7 @@ static int au_read_packet(AVFormatContext *s,
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s->streams[0]->codec->block_align);
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if (ret < 0)
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return ret;
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pkt->stream_index = 0;
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pkt->duration = ret / s->streams[0]->codec->block_align;
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@ -142,14 +138,15 @@ static int au_read_packet(AVFormatContext *s,
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}
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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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.read_probe = au_probe,
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.read_header = au_read_header,
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.read_packet = au_read_packet,
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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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.name = "au",
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.long_name = NULL_IF_CONFIG_SMALL("Sun AU"),
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.read_probe = au_probe,
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.read_header = au_read_header,
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.read_packet = au_read_packet,
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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 /* CONFIG_AU_DEMUXER */
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#if CONFIG_AU_MUXER
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@ -162,14 +159,16 @@ AVInputFormat ff_au_demuxer = {
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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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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, 24); /* 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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ffio_wfourcc(pb, ".snd"); /* magic number */
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avio_wb32(pb, 24); /* 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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return 0;
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}
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@ -179,10 +178,8 @@ static int au_write_header(AVFormatContext *s)
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s->priv_data = NULL;
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/* format header */
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if (put_au_header(pb, s->streams[0]->codec) < 0) {
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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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@ -195,13 +192,11 @@ static int au_write_trailer(AVFormatContext *s)
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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 - 24));
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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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@ -209,15 +204,16 @@ static int au_write_trailer(AVFormatContext *s)
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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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.mime_type = "audio/basic",
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.extensions = "au",
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.audio_codec = AV_CODEC_ID_PCM_S16BE,
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.video_codec = AV_CODEC_ID_NONE,
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.write_header = au_write_header,
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.write_packet = ff_raw_write_packet,
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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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.name = "au",
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.long_name = NULL_IF_CONFIG_SMALL("Sun AU"),
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.mime_type = "audio/basic",
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.extensions = "au",
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.audio_codec = AV_CODEC_ID_PCM_S16BE,
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.video_codec = AV_CODEC_ID_NONE,
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.write_header = au_write_header,
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.write_packet = ff_raw_write_packet,
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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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