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aacenc: partially revert previous commits to set options via a profile 

It didn't work out because of the exceptions that needed to be made
for the "-1" cases and was overall more confusing that just manually
checking and setting options for each profile.
tags/n3.0
Rostislav Pehlivanov 10 years ago
parent
3835554bf8
commit
e9299df7a6
3 changed files with 45 additions and 118 deletions
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  1. +38
    -72
      libavcodec/aacenc.c
  2. +0
    -39
      libavcodec/aacenc_utils.h
  3. +7
    -7
      libavcodec/aacenctab.h

+ 38
- 72
libavcodec/aacenc.c View File

@@ -46,57 +46,6 @@

#include "psymodel.h"

struct AACProfileOptions {
int profile;
struct AACEncOptions opts;
};

/**
* List of currently supported profiles, anything not listed isn't supported.
*/
static const struct AACProfileOptions aacenc_profiles[] = {
{FF_PROFILE_AAC_MAIN,
{ /* Main profile, all advanced encoding abilities enabled */
.mid_side = 0,
.pns = 1,
.tns = 0,
.ltp = OPT_BANNED,
.pred = OPT_REQUIRED,
.intensity_stereo = 1,
},
},
{FF_PROFILE_AAC_LOW,
{ /* Default profile, these are the settings that get set by default */
.mid_side = 0,
.pns = 1,
.tns = 0,
.ltp = OPT_NEEDS_LTP,
.pred = OPT_NEEDS_MAIN,
.intensity_stereo = 1,
},
},
{FF_PROFILE_MPEG2_AAC_LOW,
{ /* Strict MPEG 2 Part 7 compliance profile */
.mid_side = 0,
.pns = OPT_BANNED,
.tns = 0,
.ltp = OPT_BANNED,
.pred = OPT_BANNED,
.intensity_stereo = 1,
},
},
{FF_PROFILE_AAC_LTP,
{ /* Long term prediction profile */
.mid_side = 0,
.pns = 1,
.tns = 0,
.ltp = OPT_REQUIRED,
.pred = OPT_BANNED,
.intensity_stereo = 1,
},
},
};

/**
* Make AAC audio config object.
* @see 1.6.2.1 "Syntax - AudioSpecificConfig"
@@ -933,7 +882,6 @@ alloc_fail:
static av_cold int aac_encode_init(AVCodecContext *avctx)
{
AACEncContext *s = avctx->priv_data;
const AACEncOptions *p_opt = NULL;
int i, ret = 0;
const uint8_t *sizes[2];
uint8_t grouping[AAC_MAX_CHANNELS];
@@ -966,24 +914,42 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
WARN_IF(1024.0 * avctx->bit_rate / avctx->sample_rate > 6144 * s->channels,
"Too many bits per frame requested, clamping to max\n");

for (i = 0; i < FF_ARRAY_ELEMS(aacenc_profiles); i++) {
if (avctx->profile == aacenc_profiles[i].profile) {
p_opt = &aacenc_profiles[i].opts;
for (i = 0; i < FF_ARRAY_ELEMS(aacenc_profiles); i++)
if (avctx->profile == aacenc_profiles[i])
break;
}
ERROR_IF(i == FF_ARRAY_ELEMS(aacenc_profiles),
"Unsupported encoding profile: %d\n", avctx->profile);
if (avctx->profile == FF_PROFILE_MPEG2_AAC_LOW) {
avctx->profile = FF_PROFILE_AAC_LOW;
ERROR_IF(s->options.pred,
"Main prediction unavailable in the \"mpeg2_aac_low\" profile\n");
ERROR_IF(s->options.ltp,
"LTP prediction unavailable in the \"mpeg2_aac_low\" profile\n");
WARN_IF(s->options.pns,
"PNS unavailable in the \"mpeg2_aac_low\" profile, turning off\n");
s->options.pns = 0;
} else if (avctx->profile == FF_PROFILE_AAC_LTP) {
s->options.ltp = 1;
ERROR_IF(s->options.pred,
"Main prediction unavailable in the \"aac_ltp\" profile\n");
} else if (avctx->profile == FF_PROFILE_AAC_MAIN) {
s->options.pred = 1;
ERROR_IF(s->options.ltp,
"LTP prediction unavailable in the \"aac_main\" profile\n");
} else if (s->options.ltp) {
avctx->profile = FF_PROFILE_AAC_LTP;
WARN_IF(1,
"Chainging profile to \"aac_ltp\"\n");
ERROR_IF(s->options.pred,
"Main prediction unavailable in the \"aac_ltp\" profile\n");
} else if (s->options.pred) {
avctx->profile = FF_PROFILE_AAC_MAIN;
WARN_IF(1,
"Chainging profile to \"aac_main\"\n");
ERROR_IF(s->options.pred,
"LTP prediction unavailable in the \"aac_main\" profile\n");
}
ERROR_IF(!p_opt, "Unsupported encoding profile: %d\n", avctx->profile);
AAC_OPT_SET(&s->options, p_opt, 1, coder);
AAC_OPT_SET(&s->options, p_opt, 0, pns);
AAC_OPT_SET(&s->options, p_opt, 1, tns);
AAC_OPT_SET(&s->options, p_opt, 0, ltp);
AAC_OPT_SET(&s->options, p_opt, 0, pred);
AAC_OPT_SET(&s->options, p_opt, 1, mid_side);
AAC_OPT_SET(&s->options, p_opt, 0, intensity_stereo);
if (avctx->profile == FF_PROFILE_MPEG2_AAC_LOW)
s->profile = FF_PROFILE_AAC_LOW;
else
s->profile = avctx->profile;
s->profile = avctx->profile;
s->coder = &ff_aac_coders[s->options.coder];

if (s->options.coder != AAC_CODER_TWOLOOP) {
@@ -1032,11 +998,11 @@ static const AVOption aacenc_options[] = {
{"twoloop", "Two loop searching method", 0, AV_OPT_TYPE_CONST, {.i64 = AAC_CODER_TWOLOOP}, INT_MIN, INT_MAX, AACENC_FLAGS, "coder"},
{"fast", "Constant quantizer", 0, AV_OPT_TYPE_CONST, {.i64 = AAC_CODER_FAST}, INT_MIN, INT_MAX, AACENC_FLAGS, "coder"},
{"aac_ms", "Force M/S stereo coding", offsetof(AACEncContext, options.mid_side), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AACENC_FLAGS},
{"aac_is", "Intensity stereo coding", offsetof(AACEncContext, options.intensity_stereo), AV_OPT_TYPE_BOOL, {.i64 = OPT_AUTO}, -1, 1, AACENC_FLAGS},
{"aac_pns", "Perceptual noise substitution", offsetof(AACEncContext, options.pns), AV_OPT_TYPE_BOOL, {.i64 = OPT_AUTO}, -1, 1, AACENC_FLAGS},
{"aac_is", "Intensity stereo coding", offsetof(AACEncContext, options.intensity_stereo), AV_OPT_TYPE_BOOL, {.i64 = 1}, -1, 1, AACENC_FLAGS},
{"aac_pns", "Perceptual noise substitution", offsetof(AACEncContext, options.pns), AV_OPT_TYPE_BOOL, {.i64 = 1}, -1, 1, AACENC_FLAGS},
{"aac_tns", "Temporal noise shaping", offsetof(AACEncContext, options.tns), AV_OPT_TYPE_BOOL, {.i64 = 0}, -1, 1, AACENC_FLAGS},
{"aac_ltp", "Long term prediction", offsetof(AACEncContext, options.ltp), AV_OPT_TYPE_BOOL, {.i64 = OPT_AUTO}, -1, 1, AACENC_FLAGS},
{"aac_pred", "AAC-Main prediction", offsetof(AACEncContext, options.pred), AV_OPT_TYPE_BOOL, {.i64 = OPT_AUTO}, -1, 1, AACENC_FLAGS},
{"aac_ltp", "Long term prediction", offsetof(AACEncContext, options.ltp), AV_OPT_TYPE_BOOL, {.i64 = 0}, -1, 1, AACENC_FLAGS},
{"aac_pred", "AAC-Main prediction", offsetof(AACEncContext, options.pred), AV_OPT_TYPE_BOOL, {.i64 = 0}, -1, 1, AACENC_FLAGS},
{NULL}
};



+ 0
- 39
libavcodec/aacenc_utils.h View File

@@ -202,43 +202,4 @@ static inline int lcg_random(unsigned previous_val)
av_log(avctx, AV_LOG_WARNING, __VA_ARGS__); \
}

#define AAC_OPT_SET(e_opt, p_opt, bypass, name) \
ERROR_IF ((e_opt)->name == 1 && (p_opt)->name == OPT_BANNED, \
"Profile %i does not allow %s\n", avctx->profile, #name); \
ERROR_IF ((e_opt)->name == 0 && (p_opt)->name == OPT_REQUIRED, \
"Option %s is a requirement for this profile (%i)\n", \
#name, avctx->profile); \
if ((e_opt)->name == 1 && (p_opt)->name == OPT_NEEDS_MAIN && \
avctx->profile == FF_PROFILE_AAC_LOW) { \
WARN_IF(1, "Profile %i does not allow for %s, setting profile to " \
"\"aac_main\"(%i)\n", avctx->profile, #name, \
FF_PROFILE_AAC_MAIN); \
avctx->profile = FF_PROFILE_AAC_MAIN; \
p_opt = &aacenc_profiles[FF_PROFILE_AAC_MAIN].opts; \
} \
if ((e_opt)->name == 1 && (p_opt)->name == OPT_NEEDS_LTP && \
avctx->profile == FF_PROFILE_AAC_LOW) { \
WARN_IF(1, "Profile %i does not allow for %s, setting profile to " \
"\"aac_ltp\"(%i)\n", avctx->profile, #name, \
FF_PROFILE_AAC_LTP); \
avctx->profile = FF_PROFILE_AAC_LTP; \
p_opt = &aacenc_profiles[FF_PROFILE_AAC_LTP].opts; \
} \
if ((e_opt)->name == OPT_AUTO) { \
if ((p_opt)->name == OPT_BANNED) { \
(e_opt)->name = 0; \
} else if ((p_opt)->name == OPT_NEEDS_LTP) { \
(e_opt)->name = 0; \
} else if ((p_opt)->name == OPT_NEEDS_MAIN) { \
(e_opt)->name = 0; \
} else if ((p_opt)->name == OPT_REQUIRED) { \
(e_opt)->name = 1; \
} else if (bypass) { \
(e_opt)->name = (e_opt)->name; \
} else { \
(e_opt)->name = (p_opt)->name; \
} \
} \
av_log(avctx, AV_LOG_VERBOSE, "Option %s set to %i\n", #name, (e_opt)->name);

#endif /* AVCODEC_AACENC_UTILS_H */

+ 7
- 7
libavcodec/aacenctab.h View File

@@ -36,13 +36,6 @@
/** Total number of codebooks, including special ones **/
#define CB_TOT_ALL 15

/** Profile option settings **/
#define OPT_AUTO -1
#define OPT_BANNED -256
#define OPT_NEEDS_LTP -384
#define OPT_NEEDS_MAIN -512
#define OPT_REQUIRED -768

#define AAC_MAX_CHANNELS 8

extern const uint8_t *ff_aac_swb_size_1024[];
@@ -125,4 +118,11 @@ static const unsigned char aac_maxval_cb[] = {
0, 1, 3, 5, 5, 7, 7, 7, 9, 9, 9, 9, 9, 11
};

static const int aacenc_profiles[] = {
FF_PROFILE_AAC_MAIN,
FF_PROFILE_AAC_LOW,
FF_PROFILE_AAC_LTP,
FF_PROFILE_MPEG2_AAC_LOW,
};

#endif /* AVCODEC_AACENCTAB_H */

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