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ac3enc: add macros for option names to make them more understandable.

tags/n0.9
Justin Ruggles 14 years ago
parent
9542ca9fb7
commit
c766eb1ce1
3 changed files with 94 additions and 76 deletions
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  1. +46
    -45
      libavcodec/ac3enc.c
  2. +17
    -0
      libavcodec/ac3enc.h
  3. +31
    -31
      libavcodec/ac3enc_opts_template.c

+ 46
- 45
libavcodec/ac3enc.c View File

@@ -1664,9 +1664,9 @@ static void dprint_options(AC3EncodeContext *s)
if (opt->audio_production_info) {
av_dlog(avctx, "mixing_level: %ddB\n", opt->mixing_level);
switch (opt->room_type) {
case 0: av_strlcpy(strbuf, "notindicated", 32); break;
case 1: av_strlcpy(strbuf, "large", 32); break;
case 2: av_strlcpy(strbuf, "small", 32); break;
case AC3ENC_OPT_NOT_INDICATED: av_strlcpy(strbuf, "notindicated", 32); break;
case AC3ENC_OPT_LARGE_ROOM: av_strlcpy(strbuf, "large", 32); break;
case AC3ENC_OPT_SMALL_ROOM: av_strlcpy(strbuf, "small", 32); break;
default: snprintf(strbuf, 32, "ERROR (%d)", opt->room_type);
}
av_dlog(avctx, "room_type: %s\n", strbuf);
@@ -1678,9 +1678,9 @@ static void dprint_options(AC3EncodeContext *s)
av_dlog(avctx, "dialnorm: %ddB\n", opt->dialogue_level);
if (s->channel_mode == AC3_CHMODE_STEREO) {
switch (opt->dolby_surround_mode) {
case 0: av_strlcpy(strbuf, "notindicated", 32); break;
case 1: av_strlcpy(strbuf, "on", 32); break;
case 2: av_strlcpy(strbuf, "off", 32); break;
case AC3ENC_OPT_NOT_INDICATED: av_strlcpy(strbuf, "notindicated", 32); break;
case AC3ENC_OPT_MODE_ON: av_strlcpy(strbuf, "on", 32); break;
case AC3ENC_OPT_MODE_OFF: av_strlcpy(strbuf, "off", 32); break;
default: snprintf(strbuf, 32, "ERROR (%d)", opt->dolby_surround_mode);
}
av_dlog(avctx, "dsur_mode: %s\n", strbuf);
@@ -1692,9 +1692,9 @@ static void dprint_options(AC3EncodeContext *s)
if (s->bitstream_id == 6) {
if (opt->extended_bsi_1) {
switch (opt->preferred_stereo_downmix) {
case 0: av_strlcpy(strbuf, "notindicated", 32); break;
case 1: av_strlcpy(strbuf, "ltrt", 32); break;
case 2: av_strlcpy(strbuf, "loro", 32); break;
case AC3ENC_OPT_NOT_INDICATED: av_strlcpy(strbuf, "notindicated", 32); break;
case AC3ENC_OPT_DOWNMIX_LTRT: av_strlcpy(strbuf, "ltrt", 32); break;
case AC3ENC_OPT_DOWNMIX_LORO: av_strlcpy(strbuf, "loro", 32); break;
default: snprintf(strbuf, 32, "ERROR (%d)", opt->preferred_stereo_downmix);
}
av_dlog(avctx, "dmix_mode: %s\n", strbuf);
@@ -1711,23 +1711,23 @@ static void dprint_options(AC3EncodeContext *s)
}
if (opt->extended_bsi_2) {
switch (opt->dolby_surround_ex_mode) {
case 0: av_strlcpy(strbuf, "notindicated", 32); break;
case 1: av_strlcpy(strbuf, "on", 32); break;
case 2: av_strlcpy(strbuf, "off", 32); break;
case AC3ENC_OPT_NOT_INDICATED: av_strlcpy(strbuf, "notindicated", 32); break;
case AC3ENC_OPT_MODE_ON: av_strlcpy(strbuf, "on", 32); break;
case AC3ENC_OPT_MODE_OFF: av_strlcpy(strbuf, "off", 32); break;
default: snprintf(strbuf, 32, "ERROR (%d)", opt->dolby_surround_ex_mode);
}
av_dlog(avctx, "dsurex_mode: %s\n", strbuf);
switch (opt->dolby_headphone_mode) {
case 0: av_strlcpy(strbuf, "notindicated", 32); break;
case 1: av_strlcpy(strbuf, "on", 32); break;
case 2: av_strlcpy(strbuf, "off", 32); break;
case AC3ENC_OPT_NOT_INDICATED: av_strlcpy(strbuf, "notindicated", 32); break;
case AC3ENC_OPT_MODE_ON: av_strlcpy(strbuf, "on", 32); break;
case AC3ENC_OPT_MODE_OFF: av_strlcpy(strbuf, "off", 32); break;
default: snprintf(strbuf, 32, "ERROR (%d)", opt->dolby_headphone_mode);
}
av_dlog(avctx, "dheadphone_mode: %s\n", strbuf);

switch (opt->ad_converter_type) {
case 0: av_strlcpy(strbuf, "standard", 32); break;
case 1: av_strlcpy(strbuf, "hdcd", 32); break;
case AC3ENC_OPT_ADCONV_STANDARD: av_strlcpy(strbuf, "standard", 32); break;
case AC3ENC_OPT_ADCONV_HDCD: av_strlcpy(strbuf, "hdcd", 32); break;
default: snprintf(strbuf, 32, "ERROR (%d)", opt->ad_converter_type);
}
av_dlog(avctx, "ad_conv_type: %s\n", strbuf);
@@ -1791,7 +1791,7 @@ int ff_ac3_validate_metadata(AC3EncodeContext *s)
opt->eac3_info_metadata = 0;

/* determine mixing metadata / xbsi1 use */
if (s->channel_mode > AC3_CHMODE_STEREO && opt->preferred_stereo_downmix >= 0) {
if (s->channel_mode > AC3_CHMODE_STEREO && opt->preferred_stereo_downmix != AC3ENC_OPT_NONE) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
@@ -1810,28 +1810,29 @@ int ff_ac3_validate_metadata(AC3EncodeContext *s)
/* determine info metadata use */
if (avctx->audio_service_type != AV_AUDIO_SERVICE_TYPE_MAIN)
opt->eac3_info_metadata = 1;
if (opt->copyright >= 0 || opt->original >= 0)
if (opt->copyright != AC3ENC_OPT_NONE || opt->original != AC3ENC_OPT_NONE)
opt->eac3_info_metadata = 1;
if (s->channel_mode == AC3_CHMODE_STEREO &&
(opt->dolby_headphone_mode >= 0 || opt->dolby_surround_mode >= 0))
(opt->dolby_headphone_mode != AC3ENC_OPT_NONE || opt->dolby_surround_mode != AC3ENC_OPT_NONE))
opt->eac3_info_metadata = 1;
if (s->channel_mode >= AC3_CHMODE_2F2R && opt->dolby_surround_ex_mode >= 0)
if (s->channel_mode >= AC3_CHMODE_2F2R && opt->dolby_surround_ex_mode != AC3ENC_OPT_NONE)
opt->eac3_info_metadata = 1;
if (opt->mixing_level >= 0 || opt->room_type >= 0 || opt->ad_converter_type >= 0) {
if (opt->mixing_level != AC3ENC_OPT_NONE || opt->room_type != AC3ENC_OPT_NONE ||
opt->ad_converter_type != AC3ENC_OPT_NONE) {
opt->audio_production_info = 1;
opt->eac3_info_metadata = 1;
}
} else {
/* determine audio production info use */
if (opt->mixing_level >= 0 || opt->room_type >= 0)
if (opt->mixing_level != AC3ENC_OPT_NONE || opt->room_type != AC3ENC_OPT_NONE)
opt->audio_production_info = 1;

/* determine xbsi2 use */
if (s->channel_mode >= AC3_CHMODE_2F2R && opt->dolby_surround_ex_mode >= 0)
if (s->channel_mode >= AC3_CHMODE_2F2R && opt->dolby_surround_ex_mode != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
if (s->channel_mode == AC3_CHMODE_STEREO && opt->dolby_headphone_mode >= 0)
if (s->channel_mode == AC3_CHMODE_STEREO && opt->dolby_headphone_mode != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
if (opt->ad_converter_type >= 0)
if (opt->ad_converter_type != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
}

@@ -1852,8 +1853,8 @@ int ff_ac3_validate_metadata(AC3EncodeContext *s)
/* validate extended bsi 1 / mixing metadata */
if (opt->extended_bsi_1 || opt->eac3_mixing_metadata) {
/* default preferred stereo downmix */
if (opt->preferred_stereo_downmix < 0)
opt->preferred_stereo_downmix = 0;
if (opt->preferred_stereo_downmix == AC3ENC_OPT_NONE)
opt->preferred_stereo_downmix = AC3ENC_OPT_NOT_INDICATED;
if (!s->eac3 || s->has_center) {
/* validate Lt/Rt center mix level */
validate_mix_level(avctx, "ltrt_center_mix_level",
@@ -1895,35 +1896,35 @@ int ff_ac3_validate_metadata(AC3EncodeContext *s)
/* validate extended bsi 2 / info metadata */
if (opt->extended_bsi_2 || opt->eac3_info_metadata) {
/* default dolby headphone mode */
if (opt->dolby_headphone_mode < 0)
opt->dolby_headphone_mode = 0;
if (opt->dolby_headphone_mode == AC3ENC_OPT_NONE)
opt->dolby_headphone_mode = AC3ENC_OPT_NOT_INDICATED;
/* default dolby surround ex mode */
if (opt->dolby_surround_ex_mode < 0)
opt->dolby_surround_ex_mode = 0;
if (opt->dolby_surround_ex_mode == AC3ENC_OPT_NONE)
opt->dolby_surround_ex_mode = AC3ENC_OPT_NOT_INDICATED;
/* default A/D converter type */
if (opt->ad_converter_type < 0)
opt->ad_converter_type = 0;
if (opt->ad_converter_type == AC3ENC_OPT_NONE)
opt->ad_converter_type = AC3ENC_OPT_ADCONV_STANDARD;
}

/* copyright & original defaults */
if (!s->eac3 || opt->eac3_info_metadata) {
/* default copyright */
if (opt->copyright < 0)
opt->copyright = 0;
if (opt->copyright == AC3ENC_OPT_NONE)
opt->copyright = AC3ENC_OPT_OFF;
/* default original */
if (opt->original < 0)
opt->original = 1;
if (opt->original == AC3ENC_OPT_NONE)
opt->original = AC3ENC_OPT_ON;
}

/* dolby surround mode default */
if (!s->eac3 || opt->eac3_info_metadata) {
if (opt->dolby_surround_mode < 0)
opt->dolby_surround_mode = 0;
if (opt->dolby_surround_mode == AC3ENC_OPT_NONE)
opt->dolby_surround_mode = AC3ENC_OPT_NOT_INDICATED;
}

/* validate audio production info */
if (opt->audio_production_info) {
if (opt->mixing_level < 0) {
if (opt->mixing_level == AC3ENC_OPT_NONE) {
av_log(avctx, AV_LOG_ERROR, "mixing_level must be set if "
"room_type is set\n");
return AVERROR(EINVAL);
@@ -1934,8 +1935,8 @@ int ff_ac3_validate_metadata(AC3EncodeContext *s)
return AVERROR(EINVAL);
}
/* default room type */
if (opt->room_type < 0)
opt->room_type = 0;
if (opt->room_type == AC3ENC_OPT_NONE)
opt->room_type = AC3ENC_OPT_NOT_INDICATED;
}

/* set bitstream id for alternate bitstream syntax */
@@ -2207,12 +2208,12 @@ static av_cold void set_bandwidth(AC3EncodeContext *s)

/* initialize coupling strategy */
if (s->cpl_enabled) {
if (s->options.cpl_start >= 0) {
if (s->options.cpl_start != AC3ENC_OPT_AUTO) {
cpl_start = s->options.cpl_start;
} else {
cpl_start = ac3_coupling_start_tab[s->channel_mode-2][s->bit_alloc.sr_code][s->frame_size_code/2];
if (cpl_start < 0) {
if (s->options.channel_coupling < 0)
if (s->options.channel_coupling == AC3ENC_OPT_AUTO)
s->cpl_enabled = 0;
else
cpl_start = 15;


+ 17
- 0
libavcodec/ac3enc.h View File

@@ -65,6 +65,23 @@ typedef int32_t CoefType;
typedef int64_t CoefSumType;
#endif

/* common option values */
#define AC3ENC_OPT_NONE -1
#define AC3ENC_OPT_AUTO -1
#define AC3ENC_OPT_OFF 0
#define AC3ENC_OPT_ON 1
#define AC3ENC_OPT_NOT_INDICATED 0
#define AC3ENC_OPT_MODE_ON 1
#define AC3ENC_OPT_MODE_OFF 2

/* specific option values */
#define AC3ENC_OPT_LARGE_ROOM 1
#define AC3ENC_OPT_SMALL_ROOM 2
#define AC3ENC_OPT_DOWNMIX_LTRT 1
#define AC3ENC_OPT_DOWNMIX_LORO 2
#define AC3ENC_OPT_ADCONV_STANDARD 0
#define AC3ENC_OPT_ADCONV_HDCD 1


/**
* Encoding Options used by AVOption.


+ 31
- 31
libavcodec/ac3enc_opts_template.c View File

@@ -37,46 +37,46 @@ static const AVOption eac3_options[] = {
{"surround_mixlev", "Surround Mix Level", OFFSET(surround_mix_level), FF_OPT_TYPE_FLOAT, {.dbl = LEVEL_MINUS_6DB }, 0.0, 1.0, AC3ENC_PARAM},
#endif
/* audio production information */
{"mixing_level", "Mixing Level", OFFSET(mixing_level), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 111, AC3ENC_PARAM},
{"room_type", "Room Type", OFFSET(room_type), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 2, AC3ENC_PARAM, "room_type"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "room_type"},
{"large", "Large Room", 0, FF_OPT_TYPE_CONST, {.dbl = 1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "room_type"},
{"small", "Small Room", 0, FF_OPT_TYPE_CONST, {.dbl = 2 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "room_type"},
{"mixing_level", "Mixing Level", OFFSET(mixing_level), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, 111, AC3ENC_PARAM},
{"room_type", "Room Type", OFFSET(room_type), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_SMALL_ROOM, AC3ENC_PARAM, "room_type"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_NOT_INDICATED }, INT_MIN, INT_MAX, AC3ENC_PARAM, "room_type"},
{"large", "Large Room", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_LARGE_ROOM }, INT_MIN, INT_MAX, AC3ENC_PARAM, "room_type"},
{"small", "Small Room", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_SMALL_ROOM }, INT_MIN, INT_MAX, AC3ENC_PARAM, "room_type"},
/* other metadata options */
{"copyright", "Copyright Bit", OFFSET(copyright), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 1, AC3ENC_PARAM},
{"copyright", "Copyright Bit", OFFSET(copyright), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, 1, AC3ENC_PARAM},
{"dialnorm", "Dialogue Level (dB)", OFFSET(dialogue_level), FF_OPT_TYPE_INT, {.dbl = -31 }, -31, -1, AC3ENC_PARAM},
{"dsur_mode", "Dolby Surround Mode", OFFSET(dolby_surround_mode), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 2, AC3ENC_PARAM, "dsur_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"},
{"on", "Dolby Surround Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = 1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"},
{"off", "Not Dolby Surround Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = 2 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"},
{"original", "Original Bit Stream", OFFSET(original), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 1, AC3ENC_PARAM},
{"dsur_mode", "Dolby Surround Mode", OFFSET(dolby_surround_mode), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_MODE_OFF, AC3ENC_PARAM, "dsur_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_NOT_INDICATED }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"},
{"on", "Dolby Surround Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_MODE_ON }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"},
{"off", "Not Dolby Surround Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_MODE_OFF }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"},
{"original", "Original Bit Stream", OFFSET(original), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, 1, AC3ENC_PARAM},
/* extended bitstream information */
{"dmix_mode", "Preferred Stereo Downmix Mode", OFFSET(preferred_stereo_downmix), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 2, AC3ENC_PARAM, "dmix_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"},
{"ltrt", "Lt/Rt Downmix Preferred", 0, FF_OPT_TYPE_CONST, {.dbl = 1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"},
{"loro", "Lo/Ro Downmix Preferred", 0, FF_OPT_TYPE_CONST, {.dbl = 2 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"},
{"dmix_mode", "Preferred Stereo Downmix Mode", OFFSET(preferred_stereo_downmix), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_DOWNMIX_LORO, AC3ENC_PARAM, "dmix_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_NOT_INDICATED }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"},
{"ltrt", "Lt/Rt Downmix Preferred", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_DOWNMIX_LTRT }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"},
{"loro", "Lo/Ro Downmix Preferred", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_DOWNMIX_LORO }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"},
{"ltrt_cmixlev", "Lt/Rt Center Mix Level", OFFSET(ltrt_center_mix_level), FF_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, AC3ENC_PARAM},
{"ltrt_surmixlev", "Lt/Rt Surround Mix Level", OFFSET(ltrt_surround_mix_level), FF_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, AC3ENC_PARAM},
{"loro_cmixlev", "Lo/Ro Center Mix Level", OFFSET(loro_center_mix_level), FF_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, AC3ENC_PARAM},
{"loro_surmixlev", "Lo/Ro Surround Mix Level", OFFSET(loro_surround_mix_level), FF_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, AC3ENC_PARAM},
{"dsurex_mode", "Dolby Surround EX Mode", OFFSET(dolby_surround_ex_mode), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 2, AC3ENC_PARAM, "dsurex_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsurex_mode"},
{"on", "Dolby Surround EX Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = 1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsurex_mode"},
{"off", "Not Dolby Surround EX Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = 2 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsurex_mode"},
{"dheadphone_mode", "Dolby Headphone Mode", OFFSET(dolby_headphone_mode), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 2, AC3ENC_PARAM, "dheadphone_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dheadphone_mode"},
{"on", "Dolby Headphone Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = 1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dheadphone_mode"},
{"off", "Not Dolby Headphone Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = 2 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dheadphone_mode"},
{"ad_conv_type", "A/D Converter Type", OFFSET(ad_converter_type), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 1, AC3ENC_PARAM, "ad_conv_type"},
{"standard", "Standard (default)", 0, FF_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "ad_conv_type"},
{"hdcd", "HDCD", 0, FF_OPT_TYPE_CONST, {.dbl = 1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "ad_conv_type"},
{"dsurex_mode", "Dolby Surround EX Mode", OFFSET(dolby_surround_ex_mode), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_MODE_OFF, AC3ENC_PARAM, "dsurex_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_NOT_INDICATED }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsurex_mode"},
{"on", "Dolby Surround EX Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_MODE_ON }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsurex_mode"},
{"off", "Not Dolby Surround EX Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_MODE_OFF }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsurex_mode"},
{"dheadphone_mode", "Dolby Headphone Mode", OFFSET(dolby_headphone_mode), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_MODE_OFF, AC3ENC_PARAM, "dheadphone_mode"},
{"notindicated", "Not Indicated (default)", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_NOT_INDICATED }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dheadphone_mode"},
{"on", "Dolby Headphone Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_MODE_ON }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dheadphone_mode"},
{"off", "Not Dolby Headphone Encoded", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_MODE_OFF }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dheadphone_mode"},
{"ad_conv_type", "A/D Converter Type", OFFSET(ad_converter_type), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_ADCONV_HDCD, AC3ENC_PARAM, "ad_conv_type"},
{"standard", "Standard (default)", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_ADCONV_STANDARD }, INT_MIN, INT_MAX, AC3ENC_PARAM, "ad_conv_type"},
{"hdcd", "HDCD", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_ADCONV_HDCD }, INT_MIN, INT_MAX, AC3ENC_PARAM, "ad_conv_type"},
/* Other Encoding Options */
{"stereo_rematrixing", "Stereo Rematrixing", OFFSET(stereo_rematrixing), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, 1, AC3ENC_PARAM},
{"stereo_rematrixing", "Stereo Rematrixing", OFFSET(stereo_rematrixing), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_ON }, AC3ENC_OPT_OFF, AC3ENC_OPT_ON, AC3ENC_PARAM},
#if AC3ENC_TYPE != AC3ENC_TYPE_AC3_FIXED
{"channel_coupling", "Channel Coupling", OFFSET(channel_coupling), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 1, AC3ENC_PARAM, "channel_coupling"},
{"auto", "Selected by the Encoder", 0, FF_OPT_TYPE_CONST, {.dbl = -1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "channel_coupling"},
{"cpl_start_band", "Coupling Start Band", OFFSET(cpl_start), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 15, AC3ENC_PARAM, "cpl_start_band"},
{"auto", "Selected by the Encoder", 0, FF_OPT_TYPE_CONST, {.dbl = -1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "cpl_start_band"},
{"channel_coupling", "Channel Coupling", OFFSET(channel_coupling), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_AUTO }, AC3ENC_OPT_AUTO, AC3ENC_OPT_ON, AC3ENC_PARAM, "channel_coupling"},
{"auto", "Selected by the Encoder", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_AUTO }, INT_MIN, INT_MAX, AC3ENC_PARAM, "channel_coupling"},
{"cpl_start_band", "Coupling Start Band", OFFSET(cpl_start), FF_OPT_TYPE_INT, {.dbl = AC3ENC_OPT_AUTO }, AC3ENC_OPT_AUTO, 15, AC3ENC_PARAM, "cpl_start_band"},
{"auto", "Selected by the Encoder", 0, FF_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_AUTO }, INT_MIN, INT_MAX, AC3ENC_PARAM, "cpl_start_band"},
#endif
{NULL}
};

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