From 175a57113f932dc6ebf13385970d46d22cc8236e Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Fri, 30 Jul 2010 20:28:46 +0000 Subject: [PATCH] Combine and simplify output_subframe_fixed() and output_subframe_lpc(). Originally committed as revision 24605 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/flacenc.c | 24 +++++------------------- 1 file changed, 5 insertions(+), 19 deletions(-) diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c index ef29548c3f..e7d1921fed 100644 --- a/libavcodec/flacenc.c +++ b/libavcodec/flacenc.c @@ -1147,36 +1147,22 @@ static void output_residual(FlacEncodeContext *s, FlacSubframe *sub) } -static void output_subframe_fixed(FlacEncodeContext *s, FlacSubframe *sub) +static void output_subframe_lpc(FlacEncodeContext *s, FlacSubframe *sub) { int i; - /* warm-up samples */ - for (i = 0; i < sub->order; i++) - put_sbits(&s->pb, sub->obits, sub->residual[i]); - - /* residual */ - output_residual(s, sub); -} - - -static void output_subframe_lpc(FlacEncodeContext *s, FlacSubframe *sub) -{ - int i, cbits; - FlacFrame *frame; - - frame = &s->frame; - /* warm-up samples */ for (i = 0; i < sub->order; i++) put_sbits(&s->pb, sub->obits, sub->residual[i]); /* LPC coefficients */ - cbits = s->options.lpc_coeff_precision; + if (sub->type == FLAC_SUBFRAME_LPC) { + int 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(&s->pb, cbits, sub->coefs[i]); + } /* residual */ output_residual(s, sub); @@ -1203,7 +1189,7 @@ static void output_subframes(FlacEncodeContext *s) switch (sub->type) { case FLAC_SUBFRAME_CONSTANT: case FLAC_SUBFRAME_VERBATIM: output_subframe_verbatim(s, sub); break; - case FLAC_SUBFRAME_FIXED: output_subframe_fixed( s, sub); break; + case FLAC_SUBFRAME_FIXED: case FLAC_SUBFRAME_LPC: output_subframe_lpc( s, sub); break; } }