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Commit f5a2d285 authored by Anssi Hannula's avatar Anssi Hannula Committed by Carl Eugen Hoyos
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Export dca profile information. 

Patch by Anssi Hannula anssi d hannula a iki d fi

Originally committed as revision 26250 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent df1c694c
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libavcodec/avcodec.h
+ 8
− 2
View file @ f5a2d285
...@@ -32,8 +32,8 @@ ...@@ -32,8 +32,8 @@
#include "libavutil/cpu.h" #include "libavutil/cpu.h"
#define LIBAVCODEC_VERSION_MAJOR 52 #define LIBAVCODEC_VERSION_MAJOR 52
#define LIBAVCODEC_VERSION_MINOR 102 #define LIBAVCODEC_VERSION_MINOR 103
#define LIBAVCODEC_VERSION_MICRO 0 #define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \ LIBAVCODEC_VERSION_MINOR, \
...@@ -2238,6 +2238,12 @@ typedef struct AVCodecContext { ...@@ -2238,6 +2238,12 @@ typedef struct AVCodecContext {
#define FF_PROFILE_AAC_SSR 2 #define FF_PROFILE_AAC_SSR 2
#define FF_PROFILE_AAC_LTP 3 #define FF_PROFILE_AAC_LTP 3
#define FF_PROFILE_DTS 20
#define FF_PROFILE_DTS_ES 30
#define FF_PROFILE_DTS_96_24 40
#define FF_PROFILE_DTS_HD_HRA 50
#define FF_PROFILE_DTS_HD_MA 60
#define FF_PROFILE_H264_BASELINE 66 #define FF_PROFILE_H264_BASELINE 66
#define FF_PROFILE_H264_MAIN 77 #define FF_PROFILE_H264_MAIN 77
#define FF_PROFILE_H264_EXTENDED 88 #define FF_PROFILE_H264_EXTENDED 88
......
libavcodec/dca.c
+ 351
− 3
View file @ f5a2d285
...@@ -26,6 +26,7 @@ ...@@ -26,6 +26,7 @@
#include <stddef.h> #include <stddef.h>
#include <stdio.h> #include <stdio.h>
#include "libavutil/common.h"
#include "libavutil/intmath.h" #include "libavutil/intmath.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
#include "libavcore/audioconvert.h" #include "libavcore/audioconvert.h"
...@@ -64,6 +65,39 @@ enum DCAMode { ...@@ -64,6 +65,39 @@ enum DCAMode {
DCA_4F2R DCA_4F2R
}; };
/* these are unconfirmed but should be mostly correct */
enum DCAExSSSpeakerMask {
DCA_EXSS_FRONT_CENTER = 0x0001,
DCA_EXSS_FRONT_LEFT_RIGHT = 0x0002,
DCA_EXSS_SIDE_REAR_LEFT_RIGHT = 0x0004,
DCA_EXSS_LFE = 0x0008,
DCA_EXSS_REAR_CENTER = 0x0010,
DCA_EXSS_FRONT_HIGH_LEFT_RIGHT = 0x0020,
DCA_EXSS_REAR_LEFT_RIGHT = 0x0040,
DCA_EXSS_FRONT_HIGH_CENTER = 0x0080,
DCA_EXSS_OVERHEAD = 0x0100,
DCA_EXSS_CENTER_LEFT_RIGHT = 0x0200,
DCA_EXSS_WIDE_LEFT_RIGHT = 0x0400,
DCA_EXSS_SIDE_LEFT_RIGHT = 0x0800,
DCA_EXSS_LFE2 = 0x1000,
DCA_EXSS_SIDE_HIGH_LEFT_RIGHT = 0x2000,
DCA_EXSS_REAR_HIGH_CENTER = 0x4000,
DCA_EXSS_REAR_HIGH_LEFT_RIGHT = 0x8000,
};
enum DCAExtensionMask {
DCA_EXT_CORE = 0x001, ///< core in core substream
DCA_EXT_XXCH = 0x002, ///< XXCh channels extension in core substream
DCA_EXT_X96 = 0x004, ///< 96/24 extension in core substream
DCA_EXT_XCH = 0x008, ///< XCh channel extension in core substream
DCA_EXT_EXSS_CORE = 0x010, ///< core in ExSS (extension substream)
DCA_EXT_EXSS_XBR = 0x020, ///< extended bitrate extension in ExSS
DCA_EXT_EXSS_XXCH = 0x040, ///< XXCh channels extension in ExSS
DCA_EXT_EXSS_X96 = 0x080, ///< 96/24 extension in ExSS
DCA_EXT_EXSS_LBR = 0x100, ///< low bitrate component in ExSS
DCA_EXT_EXSS_XLL = 0x200, ///< lossless extension in ExSS
};
/* Tables for mapping dts channel configurations to libavcodec multichannel api. /* Tables for mapping dts channel configurations to libavcodec multichannel api.
* Some compromises have been made for special configurations. Most configurations * Some compromises have been made for special configurations. Most configurations
* are never used so complete accuracy is not needed. * are never used so complete accuracy is not needed.
...@@ -183,6 +217,7 @@ static const int8_t dca_channel_reorder_nolfe_xch[][9] = { ...@@ -183,6 +217,7 @@ static const int8_t dca_channel_reorder_nolfe_xch[][9] = {
#define HEADER_SIZE 14 #define HEADER_SIZE 14
#define DCA_MAX_FRAME_SIZE 16384 #define DCA_MAX_FRAME_SIZE 16384
#define DCA_MAX_EXSS_HEADER_SIZE 4096
/** Bit allocation */ /** Bit allocation */
typedef struct { typedef struct {
...@@ -280,7 +315,7 @@ typedef struct { ...@@ -280,7 +315,7 @@ typedef struct {
DECLARE_ALIGNED(16, float, samples)[(DCA_PRIM_CHANNELS_MAX+1)*256]; DECLARE_ALIGNED(16, float, samples)[(DCA_PRIM_CHANNELS_MAX+1)*256];
const float *samples_chanptr[DCA_PRIM_CHANNELS_MAX+1]; const float *samples_chanptr[DCA_PRIM_CHANNELS_MAX+1];
uint8_t dca_buffer[DCA_MAX_FRAME_SIZE]; uint8_t dca_buffer[DCA_MAX_FRAME_SIZE + DCA_MAX_EXSS_HEADER_SIZE];
int dca_buffer_size; ///< how much data is in the dca_buffer int dca_buffer_size; ///< how much data is in the dca_buffer
const int8_t* channel_order_tab; ///< channel reordering table, lfe and non lfe const int8_t* channel_order_tab; ///< channel reordering table, lfe and non lfe
...@@ -293,6 +328,18 @@ typedef struct { ...@@ -293,6 +328,18 @@ typedef struct {
int xch_present; int xch_present;
int xch_base_channel; ///< index of first (only) channel containing XCH data int xch_base_channel; ///< index of first (only) channel containing XCH data
/* Other detected extensions in the core substream */
int xxch_present;
int x96_present;
/* ExSS header parser */
int static_fields; ///< static fields present
int mix_metadata; ///< mixing metadata present
int num_mix_configs; ///< number of mix out configurations
int mix_config_num_ch[4]; ///< number of channels in each mix out configuration
int profile;
int debug_flag; ///< used for suppressing repeated error messages output int debug_flag; ///< used for suppressing repeated error messages output
DSPContext dsp; DSPContext dsp;
FFTContext imdct; FFTContext imdct;
...@@ -1270,6 +1317,278 @@ static int dca_convert_bitstream(const uint8_t * src, int src_size, uint8_t * ds ...@@ -1270,6 +1317,278 @@ static int dca_convert_bitstream(const uint8_t * src, int src_size, uint8_t * ds
} }
} }
/**
* Return the number of channels in an ExSS speaker mask (HD)
*/
static int dca_exss_mask2count(int mask)
{
/* count bits that mean speaker pairs twice */
return av_popcount(mask)
+ av_popcount(mask & (
DCA_EXSS_CENTER_LEFT_RIGHT
| DCA_EXSS_FRONT_LEFT_RIGHT
| DCA_EXSS_FRONT_HIGH_LEFT_RIGHT
| DCA_EXSS_WIDE_LEFT_RIGHT
| DCA_EXSS_SIDE_LEFT_RIGHT
| DCA_EXSS_SIDE_HIGH_LEFT_RIGHT
| DCA_EXSS_SIDE_REAR_LEFT_RIGHT
| DCA_EXSS_REAR_LEFT_RIGHT
| DCA_EXSS_REAR_HIGH_LEFT_RIGHT
));
}
/**
* Skip mixing coefficients of a single mix out configuration (HD)
*/
static void dca_exss_skip_mix_coeffs(GetBitContext *gb, int channels, int out_ch)
{
for (int i = 0; i < channels; i++) {
int mix_map_mask = get_bits(gb, out_ch);
int num_coeffs = av_popcount(mix_map_mask);
skip_bits_long(gb, num_coeffs * 6);
}
}
/**
* Parse extension substream asset header (HD)
*/
static int dca_exss_parse_asset_header(DCAContext *s)
{
int header_pos = get_bits_count(&s->gb);
int header_size;
int channels;
int embedded_stereo = 0;
int embedded_6ch = 0;
int drc_code_present;
int extensions_mask;
int i, j;
if (get_bits_left(&s->gb) < 16)
return -1;
/* We will parse just enough to get to the extensions bitmask with which
* we can set the profile value. */
header_size = get_bits(&s->gb, 9) + 1;
skip_bits(&s->gb, 3); // asset index
if (s->static_fields) {
if (get_bits1(&s->gb))
skip_bits(&s->gb, 4); // asset type descriptor
if (get_bits1(&s->gb))
skip_bits_long(&s->gb, 24); // language descriptor
if (get_bits1(&s->gb)) {
/* How can one fit 1024 bytes of text here if the maximum value
* for the asset header size field above was 512 bytes? */
int text_length = get_bits(&s->gb, 10) + 1;
if (get_bits_left(&s->gb) < text_length * 8)
return -1;
skip_bits_long(&s->gb, text_length * 8); // info text
}
skip_bits(&s->gb, 5); // bit resolution - 1
skip_bits(&s->gb, 4); // max sample rate code
channels = get_bits(&s->gb, 8) + 1;
if (get_bits1(&s->gb)) { // 1-to-1 channels to speakers
int spkr_remap_sets;
int spkr_mask_size = 16;
int num_spkrs[7];
if (channels > 2)
embedded_stereo = get_bits1(&s->gb);
if (channels > 6)
embedded_6ch = get_bits1(&s->gb);
if (get_bits1(&s->gb)) {
spkr_mask_size = (get_bits(&s->gb, 2) + 1) << 2;
skip_bits(&s->gb, spkr_mask_size); // spkr activity mask
}
spkr_remap_sets = get_bits(&s->gb, 3);
for (i = 0; i < spkr_remap_sets; i++) {
/* std layout mask for each remap set */
num_spkrs[i] = dca_exss_mask2count(get_bits(&s->gb, spkr_mask_size));
}
for (i = 0; i < spkr_remap_sets; i++) {
int num_dec_ch_remaps = get_bits(&s->gb, 5) + 1;
if (get_bits_left(&s->gb) < 0)
return -1;
for (j = 0; j < num_spkrs[i]; j++) {
int remap_dec_ch_mask = get_bits_long(&s->gb, num_dec_ch_remaps);
int num_dec_ch = av_popcount(remap_dec_ch_mask);
skip_bits_long(&s->gb, num_dec_ch * 5); // remap codes
}
}
} else {
skip_bits(&s->gb, 3); // representation type
}
}
drc_code_present = get_bits1(&s->gb);
if (drc_code_present)
get_bits(&s->gb, 8); // drc code
if (get_bits1(&s->gb))
skip_bits(&s->gb, 5); // dialog normalization code
if (drc_code_present && embedded_stereo)
get_bits(&s->gb, 8); // drc stereo code
if (s->mix_metadata && get_bits1(&s->gb)) {
skip_bits(&s->gb, 1); // external mix
skip_bits(&s->gb, 6); // post mix gain code
if (get_bits(&s->gb, 2) != 3) // mixer drc code
skip_bits(&s->gb, 3); // drc limit
else
skip_bits(&s->gb, 8); // custom drc code
if (get_bits1(&s->gb)) // channel specific scaling
for (i = 0; i < s->num_mix_configs; i++)
skip_bits_long(&s->gb, s->mix_config_num_ch[i] * 6); // scale codes
else
skip_bits_long(&s->gb, s->num_mix_configs * 6); // scale codes
for (i = 0; i < s->num_mix_configs; i++) {
if (get_bits_left(&s->gb) < 0)
return -1;
dca_exss_skip_mix_coeffs(&s->gb, channels, s->mix_config_num_ch[i]);
if (embedded_6ch)
dca_exss_skip_mix_coeffs(&s->gb, 6, s->mix_config_num_ch[i]);
if (embedded_stereo)
dca_exss_skip_mix_coeffs(&s->gb, 2, s->mix_config_num_ch[i]);
}
}
switch (get_bits(&s->gb, 2)) {
case 0: extensions_mask = get_bits(&s->gb, 12); break;
case 1: extensions_mask = DCA_EXT_EXSS_XLL; break;
case 2: extensions_mask = DCA_EXT_EXSS_LBR; break;
case 3: extensions_mask = 0; /* aux coding */ break;
}
/* not parsed further, we were only interested in the extensions mask */
if (get_bits_left(&s->gb) < 0)
return -1;
if (get_bits_count(&s->gb) - header_pos > header_size * 8) {
av_log(s->avctx, AV_LOG_WARNING, "Asset header size mismatch.\n");
return -1;
}
skip_bits_long(&s->gb, header_pos + header_size * 8 - get_bits_count(&s->gb));
if (extensions_mask & DCA_EXT_EXSS_XLL)
s->profile = FF_PROFILE_DTS_HD_MA;
else if (extensions_mask & DCA_EXT_EXSS_XBR)
s->profile = FF_PROFILE_DTS_HD_HRA;
else if (extensions_mask & DCA_EXT_EXSS_X96)
s->profile = FF_PROFILE_DTS_96_24;
else if (extensions_mask & DCA_EXT_EXSS_XXCH)
s->profile = FFMAX(s->profile, FF_PROFILE_DTS_ES);
if (!(extensions_mask & DCA_EXT_CORE))
av_log(s->avctx, AV_LOG_WARNING, "DTS core detection mismatch.\n");
if (!!(extensions_mask & DCA_EXT_XCH) != s->xch_present)
av_log(s->avctx, AV_LOG_WARNING, "DTS XCh detection mismatch.\n");
if (!!(extensions_mask & DCA_EXT_XXCH) != s->xxch_present)
av_log(s->avctx, AV_LOG_WARNING, "DTS XXCh detection mismatch.\n");
if (!!(extensions_mask & DCA_EXT_X96) != s->x96_present)
av_log(s->avctx, AV_LOG_WARNING, "DTS X96 detection mismatch.\n");
return 0;
}
/**
* Parse extension substream header (HD)
*/
static void dca_exss_parse_header(DCAContext *s)
{
int ss_index;
int blownup;
int header_size;
int hd_size;
int num_audiop = 1;
int num_assets = 1;
int active_ss_mask[8];
int i, j;
if (get_bits_left(&s->gb) < 52)
return;
skip_bits(&s->gb, 8); // user data
ss_index = get_bits(&s->gb, 2);
blownup = get_bits1(&s->gb);
header_size = get_bits(&s->gb, 8 + 4 * blownup) + 1;
hd_size = get_bits_long(&s->gb, 16 + 4 * blownup) + 1;
s->static_fields = get_bits1(&s->gb);
if (s->static_fields) {
skip_bits(&s->gb, 2); // reference clock code
skip_bits(&s->gb, 3); // frame duration code
if (get_bits1(&s->gb))
skip_bits_long(&s->gb, 36); // timestamp
/* a single stream can contain multiple audio assets that can be
* combined to form multiple audio presentations */
num_audiop = get_bits(&s->gb, 3) + 1;
if (num_audiop > 1) {
av_log_ask_for_sample(s->avctx, "Multiple DTS-HD audio presentations.");
/* ignore such streams for now */
return;
}
num_assets = get_bits(&s->gb, 3) + 1;
if (num_assets > 1) {
av_log_ask_for_sample(s->avctx, "Multiple DTS-HD audio assets.");
/* ignore such streams for now */
return;
}
for (i = 0; i < num_audiop; i++)
active_ss_mask[i] = get_bits(&s->gb, ss_index + 1);
for (i = 0; i < num_audiop; i++)
for (j = 0; j <= ss_index; j++)
if (active_ss_mask[i] & (1 << j))
skip_bits(&s->gb, 8); // active asset mask
s->mix_metadata = get_bits1(&s->gb);
if (s->mix_metadata) {
int mix_out_mask_size;
skip_bits(&s->gb, 2); // adjustment level
mix_out_mask_size = (get_bits(&s->gb, 2) + 1) << 2;
s->num_mix_configs = get_bits(&s->gb, 2) + 1;
for (i = 0; i < s->num_mix_configs; i++) {
int mix_out_mask = get_bits(&s->gb, mix_out_mask_size);
s->mix_config_num_ch[i] = dca_exss_mask2count(mix_out_mask);
}
}
}
for (i = 0; i < num_assets; i++)
skip_bits_long(&s->gb, 16 + 4 * blownup); // asset size
for (i = 0; i < num_assets; i++) {
if (dca_exss_parse_asset_header(s))
return;
}
/* not parsed further, we were only interested in the extensions mask
* from the asset header */
}
/** /**
* Main frame decoding function * Main frame decoding function
* FIXME add arguments * FIXME add arguments
...@@ -1287,10 +1606,15 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1287,10 +1606,15 @@ static int dca_decode_frame(AVCodecContext * avctx,
int16_t *samples = data; int16_t *samples = data;
DCAContext *s = avctx->priv_data; DCAContext *s = avctx->priv_data;
int channels; int channels;
int core_ss_end;
s->xch_present = 0; s->xch_present = 0;
s->dca_buffer_size = dca_convert_bitstream(buf, buf_size, s->dca_buffer, DCA_MAX_FRAME_SIZE); s->x96_present = 0;
s->xxch_present = 0;
s->dca_buffer_size = dca_convert_bitstream(buf, buf_size, s->dca_buffer,
DCA_MAX_FRAME_SIZE + DCA_MAX_EXSS_HEADER_SIZE);
if (s->dca_buffer_size == -1) { if (s->dca_buffer_size == -1) {
av_log(avctx, AV_LOG_ERROR, "Not a valid DCA frame\n"); av_log(avctx, AV_LOG_ERROR, "Not a valid DCA frame\n");
return -1; return -1;
...@@ -1306,6 +1630,8 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1306,6 +1630,8 @@ static int dca_decode_frame(AVCodecContext * avctx,
avctx->sample_rate = s->sample_rate; avctx->sample_rate = s->sample_rate;
avctx->bit_rate = s->bit_rate; avctx->bit_rate = s->bit_rate;
s->profile = FF_PROFILE_DTS;
for (i = 0; i < (s->sample_blocks / 8); i++) { for (i = 0; i < (s->sample_blocks / 8); i++) {
dca_decode_block(s, 0, i); dca_decode_block(s, 0, i);
} }
...@@ -1316,7 +1642,9 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1316,7 +1642,9 @@ static int dca_decode_frame(AVCodecContext * avctx,
/* extensions start at 32-bit boundaries into bitstream */ /* extensions start at 32-bit boundaries into bitstream */
skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31); skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31);
while(get_bits_left(&s->gb) >= 32) { core_ss_end = FFMIN(s->frame_size, s->dca_buffer_size) * 8;
while(core_ss_end - get_bits_count(&s->gb) >= 32) {
uint32_t bits = get_bits_long(&s->gb, 32); uint32_t bits = get_bits_long(&s->gb, 32);
switch(bits) { switch(bits) {
...@@ -1334,6 +1662,8 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1334,6 +1662,8 @@ static int dca_decode_frame(AVCodecContext * avctx,
/* skip length-to-end-of-frame field for the moment */ /* skip length-to-end-of-frame field for the moment */
skip_bits(&s->gb, 10); skip_bits(&s->gb, 10);
s->profile = FFMAX(s->profile, FF_PROFILE_DTS_ES);
/* extension amode should == 1, number of channels in extension */ /* extension amode should == 1, number of channels in extension */
/* AFAIK XCh is not used for more channels */ /* AFAIK XCh is not used for more channels */
if ((ext_amode = get_bits(&s->gb, 4)) != 1) { if ((ext_amode = get_bits(&s->gb, 4)) != 1) {
...@@ -1352,6 +1682,14 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1352,6 +1682,14 @@ static int dca_decode_frame(AVCodecContext * avctx,
s->xch_present = 1; s->xch_present = 1;
break; break;
} }
case 0x47004a03:
/* XXCh: extended channels */
/* usually found either in core or HD part in DTS-HD HRA streams,
* but not in DTS-ES which contains XCh extensions instead */
s->xxch_present = 1;
s->profile = FFMAX(s->profile, FF_PROFILE_DTS_ES);
break;
case 0x1d95f262: { case 0x1d95f262: {
int fsize96 = show_bits(&s->gb, 12) + 1; int fsize96 = show_bits(&s->gb, 12) + 1;
if (s->frame_size != (get_bits_count(&s->gb) >> 3) - 4 + fsize96) if (s->frame_size != (get_bits_count(&s->gb) >> 3) - 4 + fsize96)
...@@ -1361,6 +1699,9 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1361,6 +1699,9 @@ static int dca_decode_frame(AVCodecContext * avctx,
skip_bits(&s->gb, 12); skip_bits(&s->gb, 12);
av_log(avctx, AV_LOG_DEBUG, "FSIZE96 = %d bytes\n", fsize96); av_log(avctx, AV_LOG_DEBUG, "FSIZE96 = %d bytes\n", fsize96);
av_log(avctx, AV_LOG_DEBUG, "REVNO = %d\n", get_bits(&s->gb, 4)); av_log(avctx, AV_LOG_DEBUG, "REVNO = %d\n", get_bits(&s->gb, 4));
s->x96_present = 1;
s->profile = FFMAX(s->profile, FF_PROFILE_DTS_96_24);
break; break;
} }
} }
...@@ -1368,6 +1709,13 @@ static int dca_decode_frame(AVCodecContext * avctx, ...@@ -1368,6 +1709,13 @@ static int dca_decode_frame(AVCodecContext * avctx,
skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31); skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31);
} }
/* check for ExSS (HD part) */
if (s->dca_buffer_size - s->frame_size > 32
&& get_bits_long(&s->gb, 32) == DCA_HD_MARKER)
dca_exss_parse_header(s);
avctx->profile = s->profile;
channels = s->prim_channels + !!s->lfe; channels = s->prim_channels + !!s->lfe;
if (s->amode<16) { if (s->amode<16) {
......
libavcodec/options.c
+ 5
− 0
View file @ f5a2d285
...@@ -331,6 +331,11 @@ static const AVOption options[]={ ...@@ -331,6 +331,11 @@ static const AVOption options[]={
{"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"}, {"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"},
{"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"}, {"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"},
{"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"}, {"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"},
{"dts", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_DTS, INT_MIN, INT_MAX, A|E, "profile"},
{"dts_es", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_DTS_ES, INT_MIN, INT_MAX, A|E, "profile"},
{"dts_96_24", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_DTS_96_24, INT_MIN, INT_MAX, A|E, "profile"},
{"dts_hd_hra", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_DTS_HD_HRA, INT_MIN, INT_MAX, A|E, "profile"},
{"dts_hd_ma", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_DTS_HD_MA, INT_MIN, INT_MAX, A|E, "profile"},
{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"}, {"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"}, {"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
{"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|A|D}, {"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|A|D},
......
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