diff options
author | Justin Ruggles <justin.ruggles@gmail.com> | 2010-07-30 23:40:18 +0400 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2010-07-30 23:40:18 +0400 |
commit | 15f537ed53fe3fa6b59809a1fcb2919fa821cb17 (patch) | |
tree | e3e0d3d2faa23e726cd550a5859526621f77b590 /libavcodec/flacenc.c | |
parent | 871a24f3bf52957c225df36d08c49d7644156cc9 (diff) |
cosmetics: change FlacEncodeContext variable name from ctx to s in several
places for consistency.
Originally committed as revision 24602 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/flacenc.c')
-rw-r--r-- | libavcodec/flacenc.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c index 889a8d4a78..e5f23b4cd3 100644 --- a/libavcodec/flacenc.c +++ b/libavcodec/flacenc.c @@ -791,7 +791,7 @@ static void encode_residual_lpc(int32_t *res, const int32_t *smp, int n, } -static int encode_residual(FlacEncodeContext *ctx, int ch) +static int encode_residual(FlacEncodeContext *s, int ch) { int i, n; int min_order, max_order, opt_order, precision, omethod; @@ -802,7 +802,7 @@ static int encode_residual(FlacEncodeContext *ctx, int ch) int shift[MAX_LPC_ORDER]; int32_t *res, *smp; - frame = &ctx->frame; + frame = &s->frame; sub = &frame->subframes[ch]; res = sub->residual; smp = sub->samples; @@ -825,16 +825,16 @@ static int encode_residual(FlacEncodeContext *ctx, int ch) return sub->obits * n; } - min_order = ctx->options.min_prediction_order; - max_order = ctx->options.max_prediction_order; - min_porder = ctx->options.min_partition_order; - max_porder = ctx->options.max_partition_order; - precision = ctx->options.lpc_coeff_precision; - omethod = ctx->options.prediction_order_method; + min_order = s->options.min_prediction_order; + max_order = s->options.max_prediction_order; + min_porder = s->options.min_partition_order; + max_porder = s->options.max_partition_order; + precision = s->options.lpc_coeff_precision; + omethod = s->options.prediction_order_method; /* FIXED */ - if (ctx->options.lpc_type == AV_LPC_TYPE_NONE || - ctx->options.lpc_type == AV_LPC_TYPE_FIXED || n <= max_order) { + if (s->options.lpc_type == AV_LPC_TYPE_NONE || + s->options.lpc_type == AV_LPC_TYPE_FIXED || n <= max_order) { uint32_t bits[MAX_FIXED_ORDER+1]; if (max_order > MAX_FIXED_ORDER) max_order = MAX_FIXED_ORDER; @@ -859,9 +859,9 @@ static int encode_residual(FlacEncodeContext *ctx, int ch) } /* LPC */ - opt_order = ff_lpc_calc_coefs(&ctx->dsp, smp, n, min_order, max_order, - precision, coefs, shift, ctx->options.lpc_type, - ctx->options.lpc_passes, omethod, + opt_order = ff_lpc_calc_coefs(&s->dsp, smp, n, min_order, max_order, + precision, coefs, shift, s->options.lpc_type, + s->options.lpc_passes, omethod, MAX_LPC_SHIFT, 0); if (omethod == ORDER_METHOD_2LEVEL || @@ -936,14 +936,14 @@ static int encode_residual(FlacEncodeContext *ctx, int ch) } -static int encode_residual_v(FlacEncodeContext *ctx, int ch) +static int encode_residual_v(FlacEncodeContext *s, int ch) { int i, n; FlacFrame *frame; FlacSubframe *sub; int32_t *res, *smp; - frame = &ctx->frame; + frame = &s->frame; sub = &frame->subframes[ch]; res = sub->residual; smp = sub->samples; @@ -1016,18 +1016,18 @@ static int estimate_stereo_mode(int32_t *left_ch, int32_t *right_ch, int n) /** * Perform stereo channel decorrelation. */ -static void channel_decorrelation(FlacEncodeContext *ctx) +static void channel_decorrelation(FlacEncodeContext *s) { FlacFrame *frame; int32_t *left, *right; int i, n; - frame = &ctx->frame; + frame = &s->frame; n = frame->blocksize; left = frame->subframes[0].samples; right = frame->subframes[1].samples; - if (ctx->channels != 2) { + if (s->channels != 2) { frame->ch_mode = FLAC_CHMODE_INDEPENDENT; return; } @@ -1129,7 +1129,7 @@ static void output_subframe_verbatim(FlacEncodeContext *s, int ch) } -static void output_residual(FlacEncodeContext *ctx, int ch) +static void output_residual(FlacEncodeContext *s, int ch) { int i, j, p, n, parts; int k, porder, psize, res_cnt; @@ -1137,74 +1137,74 @@ static void output_residual(FlacEncodeContext *ctx, int ch) FlacSubframe *sub; int32_t *res; - frame = &ctx->frame; + frame = &s->frame; sub = &frame->subframes[ch]; res = sub->residual; n = frame->blocksize; /* rice-encoded block */ - put_bits(&ctx->pb, 2, 0); + put_bits(&s->pb, 2, 0); /* partition order */ porder = sub->rc.porder; psize = n >> porder; parts = (1 << porder); - put_bits(&ctx->pb, 4, porder); + put_bits(&s->pb, 4, porder); res_cnt = psize - sub->order; /* residual */ j = sub->order; for (p = 0; p < parts; p++) { k = sub->rc.params[p]; - put_bits(&ctx->pb, 4, k); + put_bits(&s->pb, 4, k); if (p == 1) res_cnt = psize; for (i = 0; i < res_cnt && j < n; i++, j++) - set_sr_golomb_flac(&ctx->pb, res[j], k, INT32_MAX, 0); + set_sr_golomb_flac(&s->pb, res[j], k, INT32_MAX, 0); } } -static void output_subframe_fixed(FlacEncodeContext *ctx, int ch) +static void output_subframe_fixed(FlacEncodeContext *s, int ch) { int i; FlacFrame *frame; FlacSubframe *sub; - frame = &ctx->frame; + frame = &s->frame; sub = &frame->subframes[ch]; /* warm-up samples */ for (i = 0; i < sub->order; i++) - put_sbits(&ctx->pb, sub->obits, sub->residual[i]); + put_sbits(&s->pb, sub->obits, sub->residual[i]); /* residual */ - output_residual(ctx, ch); + output_residual(s, ch); } -static void output_subframe_lpc(FlacEncodeContext *ctx, int ch) +static void output_subframe_lpc(FlacEncodeContext *s, int ch) { int i, cbits; FlacFrame *frame; FlacSubframe *sub; - frame = &ctx->frame; + frame = &s->frame; sub = &frame->subframes[ch]; /* warm-up samples */ for (i = 0; i < sub->order; i++) - put_sbits(&ctx->pb, sub->obits, sub->residual[i]); + put_sbits(&s->pb, sub->obits, sub->residual[i]); /* LPC coefficients */ - cbits = ctx->options.lpc_coeff_precision; - put_bits( &ctx->pb, 4, cbits-1); - put_sbits(&ctx->pb, 5, sub->shift); + cbits = s->options.lpc_coeff_precision; + put_bits( &s->pb, 4, cbits-1); + put_sbits(&s->pb, 5, sub->shift); for (i = 0; i < sub->order; i++) - put_sbits(&ctx->pb, cbits, sub->coefs[i]); + put_sbits(&s->pb, cbits, sub->coefs[i]); /* residual */ - output_residual(ctx, ch); + output_residual(s, ch); } |