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sipr: use a function pointer to select the decode_frame function

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This commit is contained in:
Justin Ruggles
2011-11-03 22:10:15 -04:00
parent 3468ff1060
commit 979c8de549
2 changed files with 20 additions and 15 deletions
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11
libavcodec/sipr.c
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@ -492,8 +492,12 @@ static av_cold int sipr_decoder_init(AVCodecContext * avctx)
av_log(avctx, AV_LOG_DEBUG, "Mode: %s\n", modes[ctx->mode].mode_name);
if (ctx->mode == MODE_16k)
if (ctx->mode == MODE_16k) {
ff_sipr_init_16k(ctx);
ctx->decode_frame = ff_sipr_decode_frame_16k;
} else {
ctx->decode_frame = decode_frame;
}
for (i = 0; i < LP_FILTER_ORDER; i++)
ctx->lsp_history[i] = cos((i+1) * M_PI / (LP_FILTER_ORDER + 1));
@ -541,10 +545,7 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *datap,
for (i = 0; i < mode_par->frames_per_packet; i++) {
decode_parameters(&parm, &gb, mode_par);
if (ctx->mode == MODE_16k)
ff_sipr_decode_frame_16k(ctx, &parm, data);
else
decode_frame(ctx, &parm, data);
ctx->decode_frame(ctx, &parm, data);
data += subframe_size * mode_par->subframe_count;
}