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libavcodec
ac3enc_opts_template.c
Go to the documentation of this file.
1
/*
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* AC-3 encoder options
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* Copyright (c) 2011 Justin Ruggles <justin.ruggles@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
libavutil/opt.h
"
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#include "
internal.h
"
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#include "
ac3.h
"
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static
const
AVOption
ac3_options
[] = {
27
/* Metadata Options */
28
{
"per_frame_metadata"
,
"Allow Changing Metadata Per-Frame"
,
OFFSET
(allow_per_frame_metadata),
AV_OPT_TYPE_INT
, {.i64 = 0 }, 0, 1,
AC3ENC_PARAM
},
29
#if AC3ENC_TYPE != AC3ENC_TYPE_EAC3
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/* AC-3 downmix levels */
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{
"center_mixlev"
,
"Center Mix Level"
,
OFFSET
(
center_mix_level
),
AV_OPT_TYPE_FLOAT
, {.dbl =
LEVEL_MINUS_4POINT5DB
}, 0.0, 1.0,
AC3ENC_PARAM
},
32
{
"surround_mixlev"
,
"Surround Mix Level"
,
OFFSET
(
surround_mix_level
),
AV_OPT_TYPE_FLOAT
, {.dbl =
LEVEL_MINUS_6DB
}, 0.0, 1.0,
AC3ENC_PARAM
},
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#endif
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/* audio production information */
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{
"mixing_level"
,
"Mixing Level"
,
OFFSET
(mixing_level),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
, 111,
AC3ENC_PARAM
},
36
{
"room_type"
,
"Room Type"
,
OFFSET
(room_type),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
,
AC3ENC_OPT_SMALL_ROOM
,
AC3ENC_PARAM
,
"room_type"
},
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{
"notindicated"
,
"Not Indicated (default)"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_NOT_INDICATED
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"room_type"
},
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{
"large"
,
"Large Room"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_LARGE_ROOM
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"room_type"
},
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{
"small"
,
"Small Room"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_SMALL_ROOM
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"room_type"
},
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/* other metadata options */
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{
"copyright"
,
"Copyright Bit"
,
OFFSET
(copyright),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
, 1,
AC3ENC_PARAM
},
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{
"dialnorm"
,
"Dialogue Level (dB)"
,
OFFSET
(dialogue_level),
AV_OPT_TYPE_INT
, {.i64 = -31 }, -31, -1,
AC3ENC_PARAM
},
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{
"dsur_mode"
,
"Dolby Surround Mode"
,
OFFSET
(dolby_surround_mode),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
,
AC3ENC_OPT_MODE_ON
,
AC3ENC_PARAM
,
"dsur_mode"
},
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{
"notindicated"
,
"Not Indicated (default)"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_NOT_INDICATED
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsur_mode"
},
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{
"on"
,
"Dolby Surround Encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_MODE_ON
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsur_mode"
},
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{
"off"
,
"Not Dolby Surround Encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_MODE_OFF
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsur_mode"
},
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{
"original"
,
"Original Bit Stream"
,
OFFSET
(original),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
, 1,
AC3ENC_PARAM
},
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/* extended bitstream information */
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{
"dmix_mode"
,
"Preferred Stereo Downmix Mode"
,
OFFSET
(preferred_stereo_downmix),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
,
AC3ENC_OPT_DOWNMIX_DPLII
,
AC3ENC_PARAM
,
"dmix_mode"
},
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{
"notindicated"
,
"Not Indicated (default)"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_NOT_INDICATED
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dmix_mode"
},
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{
"ltrt"
,
"Lt/Rt Downmix Preferred"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_DOWNMIX_LTRT
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dmix_mode"
},
52
{
"loro"
,
"Lo/Ro Downmix Preferred"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_DOWNMIX_LORO
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dmix_mode"
},
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{
"dplii"
,
"Dolby Pro Logic II Downmix Preferred"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_DOWNMIX_DPLII
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dmix_mode"
},
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{
"ltrt_cmixlev"
,
"Lt/Rt Center Mix Level"
,
OFFSET
(
ltrt_center_mix_level
),
AV_OPT_TYPE_FLOAT
, {.dbl = -1.0 }, -1.0, 2.0,
AC3ENC_PARAM
},
55
{
"ltrt_surmixlev"
,
"Lt/Rt Surround Mix Level"
,
OFFSET
(
ltrt_surround_mix_level
),
AV_OPT_TYPE_FLOAT
, {.dbl = -1.0 }, -1.0, 2.0,
AC3ENC_PARAM
},
56
{
"loro_cmixlev"
,
"Lo/Ro Center Mix Level"
,
OFFSET
(
loro_center_mix_level
),
AV_OPT_TYPE_FLOAT
, {.dbl = -1.0 }, -1.0, 2.0,
AC3ENC_PARAM
},
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{
"loro_surmixlev"
,
"Lo/Ro Surround Mix Level"
,
OFFSET
(
loro_surround_mix_level
),
AV_OPT_TYPE_FLOAT
, {.dbl = -1.0 }, -1.0, 2.0,
AC3ENC_PARAM
},
58
{
"dsurex_mode"
,
"Dolby Surround EX Mode"
,
OFFSET
(dolby_surround_ex_mode),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
,
AC3ENC_OPT_DSUREX_DPLIIZ
,
AC3ENC_PARAM
,
"dsurex_mode"
},
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{
"notindicated"
,
"Not Indicated (default)"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_NOT_INDICATED
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsurex_mode"
},
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{
"on"
,
"Dolby Surround EX Encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_MODE_ON
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsurex_mode"
},
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{
"off"
,
"Not Dolby Surround EX Encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_MODE_OFF
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsurex_mode"
},
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{
"dpliiz"
,
"Dolby Pro Logic IIz-encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_DSUREX_DPLIIZ
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dsurex_mode"
},
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{
"dheadphone_mode"
,
"Dolby Headphone Mode"
,
OFFSET
(dolby_headphone_mode),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
,
AC3ENC_OPT_MODE_ON
,
AC3ENC_PARAM
,
"dheadphone_mode"
},
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{
"notindicated"
,
"Not Indicated (default)"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_NOT_INDICATED
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dheadphone_mode"
},
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{
"on"
,
"Dolby Headphone Encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_MODE_ON
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dheadphone_mode"
},
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{
"off"
,
"Not Dolby Headphone Encoded"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_MODE_OFF
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"dheadphone_mode"
},
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{
"ad_conv_type"
,
"A/D Converter Type"
,
OFFSET
(ad_converter_type),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_NONE
},
AC3ENC_OPT_NONE
,
AC3ENC_OPT_ADCONV_HDCD
,
AC3ENC_PARAM
,
"ad_conv_type"
},
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{
"standard"
,
"Standard (default)"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_ADCONV_STANDARD
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"ad_conv_type"
},
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{
"hdcd"
,
"HDCD"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_ADCONV_HDCD
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"ad_conv_type"
},
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/* Other Encoding Options */
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{
"stereo_rematrixing"
,
"Stereo Rematrixing"
,
OFFSET
(stereo_rematrixing),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_ON
},
AC3ENC_OPT_OFF
,
AC3ENC_OPT_ON
,
AC3ENC_PARAM
},
72
{
"channel_coupling"
,
"Channel Coupling"
,
OFFSET
(channel_coupling),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_AUTO
},
AC3ENC_OPT_AUTO
,
AC3ENC_OPT_ON
,
AC3ENC_PARAM
,
"channel_coupling"
},
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{
"auto"
,
"Selected by the Encoder"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_AUTO
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"channel_coupling"
},
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{
"cpl_start_band"
,
"Coupling Start Band"
,
OFFSET
(cpl_start),
AV_OPT_TYPE_INT
, {.i64 =
AC3ENC_OPT_AUTO
},
AC3ENC_OPT_AUTO
, 15,
AC3ENC_PARAM
,
"cpl_start_band"
},
75
{
"auto"
,
"Selected by the Encoder"
, 0,
AV_OPT_TYPE_CONST
, {.i64 =
AC3ENC_OPT_AUTO
}, INT_MIN, INT_MAX,
AC3ENC_PARAM
,
"cpl_start_band"
},
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{
NULL
}
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};
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static
const
AVCodecDefault
ac3_defaults
[] = {
80
{
"b"
,
"0"
},
81
{
NULL
}
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};
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