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author | Justin Ruggles <justin.ruggles@gmail.com> | 2007-08-04 12:04:41 +0000 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2007-08-04 12:04:41 +0000 |
commit | eaf84d970ff5abbdc0506bba552de0e5065fc182 (patch) | |
tree | 108ce8d7914713a222d4addd045450a03f46108e /libavcodec/ac3dec.c | |
parent | fc59010bbfb2a79d5b7cb5576e3110d48c7d20d0 (diff) | |
download | ffmpeg-eaf84d970ff5abbdc0506bba552de0e5065fc182.tar.gz |
cosmetics: use braces when it makes the code easier to read.
Originally committed as revision 9893 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ac3dec.c')
-rw-r--r-- | libavcodec/ac3dec.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index 6368eb0c82..52efe26555 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -572,8 +572,9 @@ static int get_transform_coeffs(AC3DecodeContext * ctx) got_cplchan = 1; } end = ctx->cplendmant; - } else + } else { end = ctx->endmant[i]; + } do ctx->transform_coeffs[i + 1][end] = 0; while(++end < 256); @@ -673,13 +674,13 @@ static inline void do_imdct(AC3DecodeContext *ctx) ctx->window, 256); } for (ch=1; ch<=ctx->nfchans; ch++) { - if (ctx->blksw[ch-1]) + if (ctx->blksw[ch-1]) { do_imdct_256(ctx, ch); - else + } else { ctx->imdct_512.fft.imdct_calc(&ctx->imdct_512, ctx->tmp_output, ctx->transform_coeffs[ch], ctx->tmp_imdct); - + } ctx->dsp.vector_fmul_add_add(ctx->output[ch], ctx->tmp_output, ctx->window, ctx->delay[ch], 384, 256, 1); ctx->dsp.vector_fmul_reverse(ctx->delay[ch], ctx->tmp_output+256, @@ -749,11 +750,12 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) ctx->ncplbnd = ctx->ncplsubnd = 3 + cplendf - cplbegf; ctx->cplstrtmant = cplbegf * 12 + 37; ctx->cplendmant = cplendf * 12 + 73; - for (i = 0; i < ctx->ncplsubnd - 1; i++) /* coupling band structure */ + for (i = 0; i < ctx->ncplsubnd - 1; i++) { /* coupling band structure */ if (get_bits1(gb)) { ctx->cplbndstrc[i] = 1; ctx->ncplbnd--; } + } } else { for (i = 0; i < nfchans; i++) ctx->chincpl[i] = 0; @@ -763,8 +765,8 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) if (ctx->cplinu) { int cplcoe = 0; - for (i = 0; i < nfchans; i++) - if (ctx->chincpl[i]) + for (i = 0; i < nfchans; i++) { + if (ctx->chincpl[i]) { if (get_bits1(gb)) { /* coupling co-ordinates */ cplcoe = 1; mstrcplco = 3 * get_bits(gb, 2); @@ -778,11 +780,15 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) ctx->cplco[i][bnd] *= scale_factors[cplcoexp + mstrcplco]; } } + } + } - if (acmod == AC3_ACMOD_STEREO && ctx->phsflginu && cplcoe) - for (bnd = 0; bnd < ctx->ncplbnd; bnd++) + if (acmod == AC3_ACMOD_STEREO && ctx->phsflginu && cplcoe) { + for (bnd = 0; bnd < ctx->ncplbnd; bnd++) { if (get_bits1(gb)) ctx->cplco[1][bnd] = -ctx->cplco[1][bnd]; + } + } } if (acmod == AC3_ACMOD_STEREO) {/* rematrixing */ @@ -805,7 +811,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) if (ctx->lfeon) /* lfe exponent strategy */ ctx->lfeexpstr = get_bits1(gb); - for (i = 0; i < nfchans; i++) /* channel bandwidth code */ + for (i = 0; i < nfchans; i++) { /* channel bandwidth code */ if (ctx->chexpstr[i] != EXP_REUSE) { if (ctx->chincpl[i]) ctx->endmant[i] = ctx->cplstrtmant; @@ -818,6 +824,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) ctx->endmant[i] = chbwcod * 3 + 73; } } + } if (ctx->cplexpstr != EXP_REUSE) {/* coupling exponents */ bit_alloc_flags = 64; @@ -826,7 +833,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) decode_exponents(gb, ctx->cplexpstr, ngrps, cplabsexp, ctx->dcplexps + ctx->cplstrtmant); } - for (i = 0; i < nfchans; i++) /* fbw channel exponents */ + for (i = 0; i < nfchans; i++) { /* fbw channel exponents */ if (ctx->chexpstr[i] != EXP_REUSE) { bit_alloc_flags |= 1 << i; grpsize = 3 << (ctx->chexpstr[i] - 1); @@ -836,6 +843,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) decode_exponents(gb, ctx->chexpstr[i], ngrps, dexps[0], dexps + 1); skip_bits(gb, 2); /* skip gainrng */ } + } if (ctx->lfeexpstr != EXP_REUSE) { /* lfe exponents */ bit_alloc_flags |= 32; @@ -895,7 +903,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) } } - if (ctx->cplinu) + if (ctx->cplinu) { if (ctx->cpldeltbae == DBA_NEW) { /*coupling delta offset, len and bit allocation */ ctx->cpldeltnseg = get_bits(gb, 3); for (seg = 0; seg <= ctx->cpldeltnseg; seg++) { @@ -904,8 +912,9 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) ctx->cpldeltba[seg] = get_bits(gb, 3); } } + } - for (i = 0; i < nfchans; i++) + for (i = 0; i < nfchans; i++) { if (ctx->deltbae[i] == DBA_NEW) {/*channel delta offset, len and bit allocation */ ctx->deltnseg[i] = get_bits(gb, 3); for (seg = 0; seg <= ctx->deltnseg[i]; seg++) { @@ -914,6 +923,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) ctx->deltba[i][seg] = get_bits(gb, 3); } } + } } else if(blk == 0) { if(ctx->cplinu) ctx->cpldeltbae = DBA_NONE; @@ -923,7 +933,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) } if (bit_alloc_flags) { - if (ctx->cplinu && (bit_alloc_flags & 64)) + if (ctx->cplinu && (bit_alloc_flags & 64)) { ac3_parametric_bit_allocation(&ctx->bit_alloc_params, ctx->cplbap, ctx->dcplexps, ctx->cplstrtmant, ctx->cplendmant, ctx->cplsnroffst, @@ -931,19 +941,23 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk) ctx->cpldeltbae, ctx->cpldeltnseg, ctx->cpldeltoffst, ctx->cpldeltlen, ctx->cpldeltba); - for (i = 0; i < nfchans; i++) - if ((bit_alloc_flags >> i) & 1) + } + for (i = 0; i < nfchans; i++) { + if ((bit_alloc_flags >> i) & 1) { ac3_parametric_bit_allocation(&ctx->bit_alloc_params, ctx->bap[i], ctx->dexps[i], 0, ctx->endmant[i], ctx->snroffst[i], ctx->fgain[i], 0, ctx->deltbae[i], ctx->deltnseg[i], ctx->deltoffst[i], ctx->deltlen[i], ctx->deltba[i]); - if (ctx->lfeon && (bit_alloc_flags & 32)) + } + } + if (ctx->lfeon && (bit_alloc_flags & 32)) { ac3_parametric_bit_allocation(&ctx->bit_alloc_params, ctx->lfebap, ctx->dlfeexps, 0, 7, ctx->lfesnroffst, ctx->lfefgain, 1, DBA_NONE, 0, NULL, NULL, NULL); + } } if (get_bits1(gb)) { /* unused dummy data */ |