The approach used here has the advantage not to rely
on any DCE.
Also improve certain the checks from
3390693bfb907765f833766f370e0ba8c7894f44 a bit.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/aac/aacdec.c | 62 ++++++++++++++++++++---------------------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git a/libavcodec/aac/aacdec.c b/libavcodec/aac/aacdec.c
index c6b93e33a2..6a74b05168 100644
--- a/libavcodec/aac/aacdec.c
+++ b/libavcodec/aac/aacdec.c
@@ -63,6 +63,20 @@
#include "libavutil/version.h"
#include "libavutil/thread.h"
+#if CONFIG_AAC_DECODER && CONFIG_AAC_FIXED_DECODER
+#define IS_FIXED(is_fixed) (is_fixed)
+#define FIXED_OR_FLOAT(is_fixed, func_or_obj, func_args) \
+ ((is_fixed) ? RENAME_FIXED(func_or_obj) func_args : (func_or_obj)
func_args)
+#elif CONFIG_AAC_DECODER
+#define IS_FIXED(is_fixed) 0
+#define FIXED_OR_FLOAT(is_fixed, func_or_obj, func_args) \
+ ((func_or_obj) func_args)
+#else
+#define IS_FIXED(is_fixed) 1
+#define FIXED_OR_FLOAT(is_fixed, func_or_obj, func_args) \
+ (RENAME_FIXED(func_or_obj) func_args)
+#endif
+
/*
* supported tools
*
@@ -150,11 +164,8 @@ static av_cold int che_configure(AACDecContext *ac,
return AVERROR_INVALIDDATA;
if (che_pos) {
if (!ac->che[type][id]) {
- int ret;
- if (ac->is_fixed)
- ret = ff_aac_sbr_ctx_alloc_init_fixed(ac, &ac->che[type][id],
type);
- else
- ret = ff_aac_sbr_ctx_alloc_init(ac, &ac->che[type][id], type);
+ int ret = FIXED_OR_FLOAT(ac->is_fixed, ff_aac_sbr_ctx_alloc_init,
+ (ac, &ac->che[type][id], type));
if (ret < 0)
return ret;
}
@@ -171,10 +182,7 @@ static av_cold int che_configure(AACDecContext *ac,
}
} else {
if (ac->che[type][id]) {
- if (ac->is_fixed)
- ff_aac_sbr_ctx_close_fixed(ac->che[type][id]);
- else
- ff_aac_sbr_ctx_close(ac->che[type][id]);
+ FIXED_OR_FLOAT(ac->is_fixed, ff_aac_sbr_ctx_close,
(ac->che[type][id]));
}
av_freep(&ac->che[type][id]);
}
@@ -1122,8 +1130,7 @@ static av_cold int decode_close(AVCodecContext *avctx)
{
AACDecContext *ac = avctx->priv_data;
int is_fixed = ac->is_fixed;
- void (*sbr_close)(ChannelElement *che) = is_fixed ?
ff_aac_sbr_ctx_close_fixed :
- ff_aac_sbr_ctx_close;
+ void (*sbr_close)(ChannelElement *che) = FIXED_OR_FLOAT(is_fixed,
ff_aac_sbr_ctx_close, );
for (int type = 0; type < FF_ARRAY_ELEMS(ac->che); type++) {
for (int i = 0; i < MAX_ELEM_ID; i++) {
@@ -1154,7 +1161,7 @@ static av_cold int decode_close(AVCodecContext *avctx)
static av_cold int init_dsp(AVCodecContext *avctx)
{
AACDecContext *ac = avctx->priv_data;
- int is_fixed = ac->is_fixed, ret;
+ int is_fixed = IS_FIXED(ac->is_fixed), ret;
float scale_fixed, scale_float;
const float *const scalep = is_fixed ? &scale_fixed : &scale_float;
enum AVTXType tx_type = is_fixed ? AV_TX_INT32_MDCT : AV_TX_FLOAT_MDCT;
@@ -1188,8 +1195,8 @@ static av_cold int init_dsp(AVCodecContext *avctx)
if (ret < 0)
return ret;
- ac->dsp = is_fixed ? aac_dsp_fixed : aac_dsp;
- ac->proc = is_fixed ? aac_proc_fixed : aac_proc;
+ ac->dsp = FIXED_OR_FLOAT(is_fixed, aac_dsp, );
+ ac->proc = FIXED_OR_FLOAT(is_fixed, aac_proc, );
return ac->dsp.init(ac);
}
@@ -1315,9 +1322,9 @@ static void decode_ltp(AACDecContext *ac,
LongTermPrediction *ltp,
int sfb;
ltp->lag = get_bits(gb, 11);
- if (CONFIG_AAC_FIXED_DECODER && ac->is_fixed)
+ if (IS_FIXED(ac->is_fixed))
ltp->coef_fixed = Q30(ff_ltp_coef[get_bits(gb, 3)]);
- else if (CONFIG_AAC_DECODER)
+ else
ltp->coef = ff_ltp_coef[get_bits(gb, 3)];
for (sfb = 0; sfb < FFMIN(max_sfb, MAX_LTP_LONG_SFB); sfb++)
@@ -1626,9 +1633,9 @@ static int decode_tns(AACDecContext *ac,
TemporalNoiseShaping *tns,
tmp2_idx = 2 * coef_compress + coef_res;
for (i = 0; i < tns->order[w][filt]; i++) {
- if (CONFIG_AAC_FIXED_DECODER && ac->is_fixed)
+ if (IS_FIXED(ac->is_fixed))
tns->coef_fixed[w][filt][i] =
Q31(ff_tns_tmp2_map[tmp2_idx][get_bits(gb, coef_len)]);
- else if (CONFIG_AAC_DECODER)
+ else
tns->coef[w][filt][i] =
ff_tns_tmp2_map[tmp2_idx][get_bits(gb, coef_len)];
}
}
@@ -1977,11 +1984,8 @@ static int decode_extension_payload(AACDecContext *ac,
GetBitContext *gb, int cn
ac->avctx->profile = AV_PROFILE_AAC_HE;
}
- if (CONFIG_AAC_FIXED_DECODER && ac->is_fixed)
- res = ff_aac_sbr_decode_extension_fixed(ac, che, gb, crc_flag,
cnt, elem_type);
- else if (CONFIG_AAC_DECODER)
- res = ff_aac_sbr_decode_extension(ac, che, gb, crc_flag, cnt,
elem_type);
-
+ res = FIXED_OR_FLOAT(ac->is_fixed, ff_aac_sbr_decode_extension,
+ (ac, che, gb, crc_flag, cnt, elem_type));
if (ac->oc[1].m4ac.ps == 1 && !ac->warned_he_aac_mono) {
av_log(ac->avctx, AV_LOG_VERBOSE, "Treating HE-AAC mono as
stereo.\n");
@@ -2090,14 +2094,10 @@ static void spectral_to_sample(AACDecContext *ac, int
samples)
ac->dsp.update_ltp(ac, &che->ch[1]);
}
if (ac->oc[1].m4ac.sbr > 0) {
- if (CONFIG_AAC_FIXED_DECODER && ac->is_fixed)
- ff_aac_sbr_apply_fixed(ac, che, type,
- (void *)che->ch[0].output,
- (void *)che->ch[1].output);
- else if (CONFIG_AAC_DECODER)
- ff_aac_sbr_apply(ac, che, type,
- (void *)che->ch[0].output,
- (void *)che->ch[1].output);
+ FIXED_OR_FLOAT(ac->is_fixed,ff_aac_sbr_apply,
+ (ac, che, type,
+ (void *)che->ch[0].output,
+ (void *)che->ch[1].output));
}
}
if (type <= TYPE_CCE)
--
2.40.1
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