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author | Diego Biurrun <diego@biurrun.de> | 2009-09-20 17:16:12 +0000 |
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committer | Diego Biurrun <diego@biurrun.de> | 2009-09-20 17:16:12 +0000 |
commit | 1e1898c00fc430c9e1489c6b7ad38f6461451afd (patch) | |
tree | a89d2b8015f7a7b0dde9fb022c6dc29b3984e265 /libavcodec | |
parent | 7a38c1149c9cd9debfbf87ae8bf6797557c954e5 (diff) | |
download | ffmpeg-streaming-1e1898c00fc430c9e1489c6b7ad38f6461451afd.zip ffmpeg-streaming-1e1898c00fc430c9e1489c6b7ad38f6461451afd.tar.gz |
K&R coding style whitespace cosmetics
Originally committed as revision 19929 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/atrac1.c | 95 |
1 files changed, 48 insertions, 47 deletions
diff --git a/libavcodec/atrac1.c b/libavcodec/atrac1.c index 5e97148..d08056f 100644 --- a/libavcodec/atrac1.c +++ b/libavcodec/atrac1.c @@ -60,11 +60,11 @@ typedef struct { int idwls[AT1_MAX_BFU]; ///< the word length indexes for each BFU int idsfs[AT1_MAX_BFU]; ///< the scalefactor indexes for each BFU float* spectrum[2]; - DECLARE_ALIGNED_16(float,spec1[AT1_SU_SAMPLES]); ///< mdct buffer - DECLARE_ALIGNED_16(float,spec2[AT1_SU_SAMPLES]); ///< mdct buffer - DECLARE_ALIGNED_16(float,fst_qmf_delay[46]); ///< delay line for the 1st stacked QMF filter - DECLARE_ALIGNED_16(float,snd_qmf_delay[46]); ///< delay line for the 2nd stacked QMF filter - DECLARE_ALIGNED_16(float,last_qmf_delay[256+23]); ///< delay line for the last stacked QMF filter + DECLARE_ALIGNED_16(float, spec1[AT1_SU_SAMPLES]); ///< mdct buffer + DECLARE_ALIGNED_16(float, spec2[AT1_SU_SAMPLES]); ///< mdct buffer + DECLARE_ALIGNED_16(float, fst_qmf_delay[46]); ///< delay line for the 1st stacked QMF filter + DECLARE_ALIGNED_16(float, snd_qmf_delay[46]); ///< delay line for the 2nd stacked QMF filter + DECLARE_ALIGNED_16(float, last_qmf_delay[256+23]); ///< delay line for the last stacked QMF filter } AT1SUCtx; /** @@ -72,13 +72,13 @@ typedef struct { */ typedef struct { AT1SUCtx SUs[AT1_MAX_CHANNELS]; ///< channel sound unit - DECLARE_ALIGNED_16(float,spec[AT1_SU_SAMPLES]); ///< the mdct spectrum buffer + DECLARE_ALIGNED_16(float, spec[AT1_SU_SAMPLES]); ///< the mdct spectrum buffer - DECLARE_ALIGNED_16(float, low[256]); - DECLARE_ALIGNED_16(float, mid[256]); - DECLARE_ALIGNED_16(float,high[512]); + DECLARE_ALIGNED_16(float, low[256]); + DECLARE_ALIGNED_16(float, mid[256]); + DECLARE_ALIGNED_16(float, high[512]); float* bands[3]; - DECLARE_ALIGNED_16(float,out_samples[AT1_MAX_CHANNELS][AT1_SU_SAMPLES]); + DECLARE_ALIGNED_16(float, out_samples[AT1_MAX_CHANNELS][AT1_SU_SAMPLES]); MDCTContext mdct_ctx[3]; int channels; DSPContext dsp; @@ -97,11 +97,11 @@ static void at1_imdct(AT1Ctx *q, float *spec, float *out, int nbits, MDCTContext* mdct_context; int transf_size = 1 << nbits; - mdct_context = &q->mdct_ctx[nbits - 5 - (nbits>6)]; + mdct_context = &q->mdct_ctx[nbits - 5 - (nbits > 6)]; if (rev_spec) { int i; - for (i=0 ; i<transf_size/2 ; i++) + for (i = 0; i < transf_size / 2; i++) FFSWAP(float, spec[i], spec[transf_size - 1 - i]); } ff_imdct_half(mdct_context, out, spec); @@ -110,10 +110,10 @@ static void at1_imdct(AT1Ctx *q, float *spec, float *out, int nbits, static int at1_imdct_block(AT1SUCtx* su, AT1Ctx *q) { - int band_num, band_samples, log2_block_count, nbits, num_blocks, block_size; - unsigned int start_pos, ref_pos=0, pos = 0; + int band_num, band_samples, log2_block_count, nbits, num_blocks, block_size; + unsigned int start_pos, ref_pos = 0 pos = 0; - for (band_num=0 ; band_num<AT1_QMF_BANDS ; band_num++) { + for (band_num = 0; band_num < AT1_QMF_BANDS; band_num++) { band_samples = samples_per_band[band_num]; log2_block_count = su->log2_block_count[band_num]; @@ -128,7 +128,7 @@ static int at1_imdct_block(AT1SUCtx* su, AT1Ctx *q) /* calc transform size in bits according to the block_size_mode */ nbits = mdct_long_nbits[band_num] - log2_block_count; - if (nbits!=5 && nbits!=7 && nbits!=8) + if (nbits != 5 && nbits != 7 && nbits != 8) return -1; if (num_blocks == 1) { @@ -137,23 +137,22 @@ static int at1_imdct_block(AT1SUCtx* su, AT1Ctx *q) pos += block_size; // move to the next mdct block in the spectrum /* overlap and window long blocks */ - q->dsp.vector_fmul_window(q->bands[band_num], &su->spectrum[1][ref_pos+band_samples-16], - &su->spectrum[0][ref_pos], short_window, 0, 16); - memcpy(q->bands[band_num]+32, &su->spectrum[0][ref_pos+16], 240 * sizeof(float)); - + q->dsp.vector_fmul_window(q->bands[band_num], &su->spectrum[1][ref_pos + band_samples - 16], + &su->spectrum[0][ref_pos], short_window, 0, 16); + memcpy(q->bands[band_num] + 32, &su->spectrum[0][ref_pos + 16], 240 * sizeof(float)); } else { /* short blocks */ float *prev_buf; start_pos = 0; - prev_buf = &su->spectrum[1][ref_pos+band_samples-16]; - for (; num_blocks!=0 ; num_blocks--) { - at1_imdct(q, &q->spec[pos], &su->spectrum[0][ref_pos+start_pos], 5, band_num); + prev_buf = &su->spectrum[1][ref_pos + band_samples - 16]; + for (; num_blocks != 0; num_blocks--) { + at1_imdct(q, &q->spec[pos], &su->spectrum[0][ref_pos + start_pos], 5, band_num); /* overlap and window between short blocks */ q->dsp.vector_fmul_window(&q->bands[band_num][start_pos], prev_buf, - &su->spectrum[0][ref_pos+start_pos], short_window, 0, 16); + &su->spectrum[0][ref_pos + start_pos], short_window, 0, 16); - prev_buf = &su->spectrum[0][ref_pos+start_pos+16]; + prev_buf = &su->spectrum[0][ref_pos+start_pos + 16]; start_pos += 32; // use hardcoded block_size pos += 32; } @@ -175,7 +174,7 @@ static int at1_parse_bsm(GetBitContext* gb, int log2_block_cnt[AT1_QMF_BANDS]) { int log2_block_count_tmp, i; - for(i=0 ; i<2 ; i++) { + for (i = 0; i < 2; i++) { /* low and mid band */ log2_block_count_tmp = get_bits(gb, 2); if (log2_block_count_tmp & 1) @@ -210,11 +209,11 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su, (bfu_amount_tab3[get_bits(gb, 3)] << 1); /* get word length index (idwl) for each BFU */ - for (i=0 ; i<su->num_bfus ; i++) + for (i = 0; i < su->num_bfus; i++) su->idwls[i] = get_bits(gb, 4); /* get scalefactor index (idsf) for each BFU */ - for (i=0 ; i<su->num_bfus ; i++) + for (i = 0; i < su->num_bfus; i++) su->idsfs[i] = get_bits(gb, 6); /* zero idwl/idsf for empty BFUs */ @@ -222,8 +221,8 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su, su->idwls[i] = su->idsfs[i] = 0; /* read in the spectral data and reconstruct MDCT spectrum of this channel */ - for (band_num=0 ; band_num<AT1_QMF_BANDS ; band_num++) { - for (bfu_num=bfu_bands_t[band_num] ; bfu_num<bfu_bands_t[band_num+1] ; bfu_num++) { + for (band_num = 0; band_num < AT1_QMF_BANDS; band_num++) { + for (bfu_num = bfu_bands_t[band_num]; bfu_num < bfu_bands_t[band_num+1]; bfu_num++) { int pos; int num_specs = specs_per_bfu[bfu_num]; @@ -241,14 +240,14 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su, if (word_len) { float max_quant = 1.0 / (float)((1 << (word_len - 1)) - 1); - for (i=0 ; i<num_specs ; i++) { + for (i = 0; i < num_specs; i++) { /* read in a quantized spec and convert it to * signed int and then inverse quantization */ spec[pos+i] = get_sbits(gb, word_len) * scale_factor * max_quant; } } else { /* word_len = 0 -> empty BFU, zero all specs in the emty BFU */ - memset(&spec[pos], 0, num_specs*sizeof(float)); + memset(&spec[pos], 0, num_specs * sizeof(float)); } } } @@ -259,15 +258,15 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su, void at1_subband_synthesis(AT1Ctx *q, AT1SUCtx* su, float *pOut) { - float temp[256]; - float iqmf_temp[512 + 46]; + float temp[256]; + float iqmf_temp[512 + 46]; /* combine low and middle bands */ atrac_iqmf(q->bands[0], q->bands[1], 128, temp, su->fst_qmf_delay, iqmf_temp); /* delay the signal of the high band by 23 samples */ - memcpy( su->last_qmf_delay, &su->last_qmf_delay[256], sizeof(float)*23); - memcpy(&su->last_qmf_delay[23], q->bands[2], sizeof(float)*256); + memcpy( su->last_qmf_delay, &su->last_qmf_delay[256], sizeof(float) * 23); + memcpy(&su->last_qmf_delay[23], q->bands[2], sizeof(float) * 256); /* combine (low + middle) and high bands */ atrac_iqmf(temp, su->last_qmf_delay, 256, pOut, su->snd_qmf_delay, iqmf_temp); @@ -290,10 +289,10 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data, return -1; } - for (ch=0 ; ch<q->channels ; ch++) { + for (ch = 0; ch < q->channels; ch++) { AT1SUCtx* su = &q->SUs[ch]; - init_get_bits(&gb, &buf[212*ch], 212*8); + init_get_bits(&gb, &buf[212 * ch], 212 * 8); /* parse block_size_mode, 1st byte */ ret = at1_parse_bsm(&gb, su->log2_block_count); @@ -313,15 +312,17 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data, /* round, convert to 16bit and interleave */ if (q->channels == 1) { /* mono */ - q->dsp.vector_clipf(samples, q->out_samples[0], -32700.0 / (1<<15), - 32700.0 / (1<<15), AT1_SU_SAMPLES); + q->dsp.vector_clipf(samples, q->out_samples[0], -32700.0 / (1 << 15), + 32700.0 / (1 << 15), AT1_SU_SAMPLES); } else { /* stereo */ for (i = 0; i < AT1_SU_SAMPLES; i++) { - samples[i*2] = av_clipf(q->out_samples[0][i], -32700.0 / (1<<15), - 32700.0 / (1<<15)); - samples[i*2+1] = av_clipf(q->out_samples[1][i], -32700.0 / (1<<15), - 32700.0 / (1<<15)); + samples[i * 2] = av_clipf(q->out_samples[0][i], + -32700.0 / (1 << 15), + 32700.0 / (1 << 15)); + samples[i * 2 + 1] = av_clipf(q->out_samples[1][i], + -32700.0 / (1 << 15), + 32700.0 / (1 << 15)); } } @@ -339,9 +340,9 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx) q->channels = avctx->channels; /* Init the mdct transforms */ - ff_mdct_init(&q->mdct_ctx[0], 6, 1, -1.0/ (1<<15)); - ff_mdct_init(&q->mdct_ctx[1], 8, 1, -1.0/ (1<<15)); - ff_mdct_init(&q->mdct_ctx[2], 9, 1, -1.0/ (1<<15)); + ff_mdct_init(&q->mdct_ctx[0], 6, 1, -1.0/ (1 << 15)); + ff_mdct_init(&q->mdct_ctx[1], 8, 1, -1.0/ (1 << 15)); + ff_mdct_init(&q->mdct_ctx[2], 9, 1, -1.0/ (1 << 15)); ff_sine_window_init(short_window, 32); |