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author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-12-19 09:28:02 -0500 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-01-03 18:47:41 -0500 |
commit | e3d4f59f9596539c3f454836c9b64e6565484a22 (patch) | |
tree | 07c346927a08315a0aa84ddfb08902408addad3d /libavcodec/adxenc.c | |
parent | 96d8e18a98c59a3131bb3522006525f6a8d24f3f (diff) | |
download | ffmpeg-e3d4f59f9596539c3f454836c9b64e6565484a22.tar.gz |
adxenc: remove unneeded comments
Diffstat (limited to 'libavcodec/adxenc.c')
-rw-r--r-- | libavcodec/adxenc.c | 40 |
1 files changed, 2 insertions, 38 deletions
diff --git a/libavcodec/adxenc.c b/libavcodec/adxenc.c index ae4b9f7da2..fa97942677 100644 --- a/libavcodec/adxenc.c +++ b/libavcodec/adxenc.c @@ -33,8 +33,6 @@ * adx2wav & wav2adx http://www.geocities.co.jp/Playtown/2004/ */ -/* 18 bytes <-> 32 samples */ - static void adx_encode(ADXContext *c, unsigned char *adx, const short *wav, ADXChannelState *prev) { @@ -60,8 +58,6 @@ static void adx_encode(ADXContext *c, unsigned char *adx, const short *wav, prev->s1 = s1; prev->s2 = s2; - /* -8..+7 */ - if (max==0 && min==0) { memset(adx,0,18); return; @@ -82,35 +78,12 @@ static void adx_encode(ADXContext *c, unsigned char *adx, const short *wav, static int adx_encode_header(AVCodecContext *avctx,unsigned char *buf,size_t bufsize) { -#if 0 - struct { - uint32_t offset; /* 0x80000000 + sample start - 4 */ - unsigned char unknown1[3]; /* 03 12 04 */ - unsigned char channel; /* 1 or 2 */ - uint32_t freq; - uint32_t size; - uint32_t unknown2; /* 01 f4 03 00 */ - uint32_t unknown3; /* 00 00 00 00 */ - uint32_t unknown4; /* 00 00 00 00 */ - - /* if loop - unknown3 00 15 00 01 - unknown4 00 00 00 01 - long loop_start_sample; - long loop_start_byte; - long loop_end_sample; - long loop_end_byte; - long - */ - } adxhdr; /* big endian */ - /* offset-6 "(c)CRI" */ -#endif ADXContext *c = avctx->priv_data; AV_WB32(buf+0x00,0x80000000|0x20); AV_WB32(buf+0x04,0x03120400|avctx->channels); AV_WB32(buf+0x08,avctx->sample_rate); - AV_WB32(buf+0x0c,0); /* FIXME: set after */ + AV_WB32(buf+0x0c,0); AV_WB16(buf + 0x10, c->cutoff); AV_WB32(buf + 0x12, 0x03000000); AV_WB32(buf + 0x16, 0x00000000); @@ -124,14 +97,12 @@ static av_cold int adx_encode_init(AVCodecContext *avctx) ADXContext *c = avctx->priv_data; if (avctx->channels > 2) - return -1; /* only stereo or mono =) */ + return -1; avctx->frame_size = 32; avctx->coded_frame= avcodec_alloc_frame(); avctx->coded_frame->key_frame= 1; -// avctx->bit_rate = avctx->sample_rate*avctx->channels*18*8/32; - /* the cutoff can be adjusted, but this seems to work pretty well */ c->cutoff = 500; ff_adx_calculate_coeffs(c->cutoff, avctx->sample_rate, COEFF_BITS, c->coeff); @@ -156,13 +127,6 @@ static int adx_encode_frame(AVCodecContext *avctx, unsigned char *dst = frame; int rest = avctx->frame_size; -/* - input data size = - avconv.c:do_audio_out() - frame_bytes = enc->frame_size * 2 * enc->channels; -*/ - -// printf("sz=%d ",buf_size); fflush(stdout); if (!c->header_parsed) { int hdrsize = adx_encode_header(avctx,dst,buf_size); dst+=hdrsize; |