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Code Issues Releases Activity

get_transform_coeffs() never returns an error, so make the function and its children return void.

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Originally committed as revision 13582 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2008-05-31 16:04:41 +00:00
parent 2f7d6835b6
commit ff5d419e2f
1 changed files with 5 additions and 16 deletions
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21
libavcodec/ac3dec.c
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@ -466,7 +466,7 @@ typedef struct {
* Get the transform coefficients for a particular channel
* reference: Section 7.3 Quantization and Decoding of Mantissas
*/
static int get_transform_coeffs_ch(AC3DecodeContext *s, int ch_index, mant_groups *m)
static void get_transform_coeffs_ch(AC3DecodeContext *s, int ch_index, mant_groups *m)
{
GetBitContext *gbc = &s->gbc;
int i, gcode, tbap, start, end;
@ -536,8 +536,6 @@ static int get_transform_coeffs_ch(AC3DecodeContext *s, int ch_index, mant_group
}
coeffs[i] >>= exps[i];
}
return 0;
}
/**
@ -576,7 +574,7 @@ static void remove_dithering(AC3DecodeContext *s) {
/**
* Get the transform coefficients.
*/
static int get_transform_coeffs(AC3DecodeContext *s)
static void get_transform_coeffs(AC3DecodeContext *s)
{
int ch, end;
int got_cplchan = 0;
@ -586,16 +584,12 @@ static int get_transform_coeffs(AC3DecodeContext *s)
for (ch = 1; ch <= s->channels; ch++) {
/* transform coefficients for full-bandwidth channel */
if (get_transform_coeffs_ch(s, ch, &m))
return -1;
get_transform_coeffs_ch(s, ch, &m);
/* tranform coefficients for coupling channel come right after the
coefficients for the first coupled channel*/
if (s->channel_in_cpl[ch]) {
if (!got_cplchan) {
if (get_transform_coeffs_ch(s, CPL_CH, &m)) {
av_log(s->avctx, AV_LOG_ERROR, "error in decoupling channels\n");
return -1;
}
get_transform_coeffs_ch(s, CPL_CH, &m);
uncouple_channels(s);
got_cplchan = 1;
}
@ -611,8 +605,6 @@ static int get_transform_coeffs(AC3DecodeContext *s)
/* if any channel doesn't use dithering, zero appropriate coefficients */
if(!s->dither_all)
remove_dithering(s);
return 0;
}
/**
@ -1058,10 +1050,7 @@ static int ac3_parse_audio_block(AC3DecodeContext *s, int blk)
/* unpack the transform coefficients
this also uncouples channels if coupling is in use. */
if (get_transform_coeffs(s)) {
av_log(s->avctx, AV_LOG_ERROR, "Error in routine get_transform_coeffs\n");
return -1;
}
get_transform_coeffs(s);
/* recover coefficients if rematrixing is in use */
if(s->channel_mode == AC3_CHMODE_STEREO)