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avcodec/ac3enc: Move ff_ac3_validate_metadate() upwards

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Will avoid a forward declaration in the next commit.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
release/7.1
Andreas Rheinhardt 7 months ago
parent 6244ecf8ec
commit 1042ee36cd
1 changed files with 209 additions and 211 deletions
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  1. 420
      libavcodec/ac3enc.c

420
libavcodec/ac3enc.c
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@ -273,6 +273,215 @@ static const int8_t ac3_coupling_start_tab[6][3][19] = {
};
#define FLT_OPTION_THRESHOLD 0.01
static int validate_float_option(float v, const float *v_list, int v_list_size)
{
int i;
for (i = 0; i < v_list_size; i++) {
if (v < (v_list[i] + FLT_OPTION_THRESHOLD) &&
v > (v_list[i] - FLT_OPTION_THRESHOLD))
break;
}
if (i == v_list_size)
return AVERROR(EINVAL);
return i;
}
static void validate_mix_level(void *log_ctx, const char *opt_name,
float *opt_param, const float *list,
int list_size, int default_value, int min_value,
int *ctx_param)
{
int mixlev = validate_float_option(*opt_param, list, list_size);
if (mixlev < min_value) {
mixlev = default_value;
if (*opt_param >= 0.0) {
av_log(log_ctx, AV_LOG_WARNING, "requested %s is not valid. using "
"default value: %0.3f\n", opt_name, list[mixlev]);
}
}
*opt_param = list[mixlev];
*ctx_param = mixlev;
}
/**
* Validate metadata options as set by AVOption system.
* These values can optionally be changed per-frame.
*
* @param s AC-3 encoder private context
*/
int ff_ac3_validate_metadata(AC3EncodeContext *s)
{
AVCodecContext *avctx = s->avctx;
AC3EncOptions *opt = &s->options;
opt->audio_production_info = 0;
opt->extended_bsi_1 = 0;
opt->extended_bsi_2 = 0;
opt->eac3_mixing_metadata = 0;
opt->eac3_info_metadata = 0;
/* determine mixing metadata / xbsi1 use */
if (s->channel_mode > AC3_CHMODE_STEREO && opt->preferred_stereo_downmix != AC3ENC_OPT_NONE) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
if (s->has_center &&
(opt->ltrt_center_mix_level >= 0 || opt->loro_center_mix_level >= 0)) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
if (s->has_surround &&
(opt->ltrt_surround_mix_level >= 0 || opt->loro_surround_mix_level >= 0)) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
if (s->eac3) {
/* determine info metadata use */
if (avctx->audio_service_type != AV_AUDIO_SERVICE_TYPE_MAIN)
opt->eac3_info_metadata = 1;
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 != 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 != AC3ENC_OPT_NONE)
opt->eac3_info_metadata = 1;
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 != 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 != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
if (s->channel_mode == AC3_CHMODE_STEREO && opt->dolby_headphone_mode != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
if (opt->ad_converter_type != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
}
/* validate AC-3 mixing levels */
if (!s->eac3) {
if (s->has_center) {
validate_mix_level(avctx, "center_mix_level", &opt->center_mix_level,
cmixlev_options, CMIXLEV_NUM_OPTIONS, 1, 0,
&s->center_mix_level);
}
if (s->has_surround) {
validate_mix_level(avctx, "surround_mix_level", &opt->surround_mix_level,
surmixlev_options, SURMIXLEV_NUM_OPTIONS, 1, 0,
&s->surround_mix_level);
}
}
/* validate extended bsi 1 / mixing metadata */
if (opt->extended_bsi_1 || opt->eac3_mixing_metadata) {
/* default preferred stereo downmix */
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",
&opt->ltrt_center_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 5, 0,
&s->ltrt_center_mix_level);
/* validate Lo/Ro center mix level */
validate_mix_level(avctx, "loro_center_mix_level",
&opt->loro_center_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 5, 0,
&s->loro_center_mix_level);
}
if (!s->eac3 || s->has_surround) {
/* validate Lt/Rt surround mix level */
validate_mix_level(avctx, "ltrt_surround_mix_level",
&opt->ltrt_surround_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 6, 3,
&s->ltrt_surround_mix_level);
/* validate Lo/Ro surround mix level */
validate_mix_level(avctx, "loro_surround_mix_level",
&opt->loro_surround_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 6, 3,
&s->loro_surround_mix_level);
}
}
/* validate audio service type / channels combination */
if ((avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_KARAOKE &&
avctx->ch_layout.nb_channels == 1) ||
((avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_COMMENTARY ||
avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_EMERGENCY ||
avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_VOICE_OVER)
&& avctx->ch_layout.nb_channels > 1)) {
av_log(avctx, AV_LOG_ERROR, "invalid audio service type for the "
"specified number of channels\n");
return AVERROR(EINVAL);
}
/* validate extended bsi 2 / info metadata */
if (opt->extended_bsi_2 || opt->eac3_info_metadata) {
/* default dolby headphone mode */
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 == AC3ENC_OPT_NONE)
opt->dolby_surround_ex_mode = AC3ENC_OPT_NOT_INDICATED;
/* default A/D converter type */
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 == AC3ENC_OPT_NONE)
opt->copyright = AC3ENC_OPT_OFF;
/* default original */
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 == AC3ENC_OPT_NONE)
opt->dolby_surround_mode = AC3ENC_OPT_NOT_INDICATED;
}
/* validate audio production info */
if (opt->audio_production_info) {
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);
}
if (opt->mixing_level < 80) {
av_log(avctx, AV_LOG_ERROR, "invalid mixing level. must be between "
"80dB and 111dB\n");
return AVERROR(EINVAL);
}
/* default room type */
if (opt->room_type == AC3ENC_OPT_NONE)
opt->room_type = AC3ENC_OPT_NOT_INDICATED;
}
/* set bitstream id for alternate bitstream syntax */
if (!s->eac3 && (opt->extended_bsi_1 || opt->extended_bsi_2))
s->bitstream_id = 6;
return 0;
}
/**
* Adjust the frame size to make the average bit rate match the target bit rate.
* This is only needed for 11025, 22050, and 44100 sample rates or any E-AC-3.
@ -1930,217 +2139,6 @@ static void dprint_options(AC3EncodeContext *s)
#endif
}
#define FLT_OPTION_THRESHOLD 0.01
static int validate_float_option(float v, const float *v_list, int v_list_size)
{
int i;
for (i = 0; i < v_list_size; i++) {
if (v < (v_list[i] + FLT_OPTION_THRESHOLD) &&
v > (v_list[i] - FLT_OPTION_THRESHOLD))
break;
}
if (i == v_list_size)
return AVERROR(EINVAL);
return i;
}
static void validate_mix_level(void *log_ctx, const char *opt_name,
float *opt_param, const float *list,
int list_size, int default_value, int min_value,
int *ctx_param)
{
int mixlev = validate_float_option(*opt_param, list, list_size);
if (mixlev < min_value) {
mixlev = default_value;
if (*opt_param >= 0.0) {
av_log(log_ctx, AV_LOG_WARNING, "requested %s is not valid. using "
"default value: %0.3f\n", opt_name, list[mixlev]);
}
}
*opt_param = list[mixlev];
*ctx_param = mixlev;
}
/**
* Validate metadata options as set by AVOption system.
* These values can optionally be changed per-frame.
*
* @param s AC-3 encoder private context
*/
int ff_ac3_validate_metadata(AC3EncodeContext *s)
{
AVCodecContext *avctx = s->avctx;
AC3EncOptions *opt = &s->options;
opt->audio_production_info = 0;
opt->extended_bsi_1 = 0;
opt->extended_bsi_2 = 0;
opt->eac3_mixing_metadata = 0;
opt->eac3_info_metadata = 0;
/* determine mixing metadata / xbsi1 use */
if (s->channel_mode > AC3_CHMODE_STEREO && opt->preferred_stereo_downmix != AC3ENC_OPT_NONE) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
if (s->has_center &&
(opt->ltrt_center_mix_level >= 0 || opt->loro_center_mix_level >= 0)) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
if (s->has_surround &&
(opt->ltrt_surround_mix_level >= 0 || opt->loro_surround_mix_level >= 0)) {
opt->extended_bsi_1 = 1;
opt->eac3_mixing_metadata = 1;
}
if (s->eac3) {
/* determine info metadata use */
if (avctx->audio_service_type != AV_AUDIO_SERVICE_TYPE_MAIN)
opt->eac3_info_metadata = 1;
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 != 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 != AC3ENC_OPT_NONE)
opt->eac3_info_metadata = 1;
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 != 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 != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
if (s->channel_mode == AC3_CHMODE_STEREO && opt->dolby_headphone_mode != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
if (opt->ad_converter_type != AC3ENC_OPT_NONE)
opt->extended_bsi_2 = 1;
}
/* validate AC-3 mixing levels */
if (!s->eac3) {
if (s->has_center) {
validate_mix_level(avctx, "center_mix_level", &opt->center_mix_level,
cmixlev_options, CMIXLEV_NUM_OPTIONS, 1, 0,
&s->center_mix_level);
}
if (s->has_surround) {
validate_mix_level(avctx, "surround_mix_level", &opt->surround_mix_level,
surmixlev_options, SURMIXLEV_NUM_OPTIONS, 1, 0,
&s->surround_mix_level);
}
}
/* validate extended bsi 1 / mixing metadata */
if (opt->extended_bsi_1 || opt->eac3_mixing_metadata) {
/* default preferred stereo downmix */
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",
&opt->ltrt_center_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 5, 0,
&s->ltrt_center_mix_level);
/* validate Lo/Ro center mix level */
validate_mix_level(avctx, "loro_center_mix_level",
&opt->loro_center_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 5, 0,
&s->loro_center_mix_level);
}
if (!s->eac3 || s->has_surround) {
/* validate Lt/Rt surround mix level */
validate_mix_level(avctx, "ltrt_surround_mix_level",
&opt->ltrt_surround_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 6, 3,
&s->ltrt_surround_mix_level);
/* validate Lo/Ro surround mix level */
validate_mix_level(avctx, "loro_surround_mix_level",
&opt->loro_surround_mix_level, extmixlev_options,
EXTMIXLEV_NUM_OPTIONS, 6, 3,
&s->loro_surround_mix_level);
}
}
/* validate audio service type / channels combination */
if ((avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_KARAOKE &&
avctx->ch_layout.nb_channels == 1) ||
((avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_COMMENTARY ||
avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_EMERGENCY ||
avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_VOICE_OVER)
&& avctx->ch_layout.nb_channels > 1)) {
av_log(avctx, AV_LOG_ERROR, "invalid audio service type for the "
"specified number of channels\n");
return AVERROR(EINVAL);
}
/* validate extended bsi 2 / info metadata */
if (opt->extended_bsi_2 || opt->eac3_info_metadata) {
/* default dolby headphone mode */
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 == AC3ENC_OPT_NONE)
opt->dolby_surround_ex_mode = AC3ENC_OPT_NOT_INDICATED;
/* default A/D converter type */
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 == AC3ENC_OPT_NONE)
opt->copyright = AC3ENC_OPT_OFF;
/* default original */
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 == AC3ENC_OPT_NONE)
opt->dolby_surround_mode = AC3ENC_OPT_NOT_INDICATED;
}
/* validate audio production info */
if (opt->audio_production_info) {
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);
}
if (opt->mixing_level < 80) {
av_log(avctx, AV_LOG_ERROR, "invalid mixing level. must be between "
"80dB and 111dB\n");
return AVERROR(EINVAL);
}
/* default room type */
if (opt->room_type == AC3ENC_OPT_NONE)
opt->room_type = AC3ENC_OPT_NOT_INDICATED;
}
/* set bitstream id for alternate bitstream syntax */
if (!s->eac3 && (opt->extended_bsi_1 || opt->extended_bsi_2))
s->bitstream_id = 6;
return 0;
}
/**
* Finalize encoding and free any memory allocated by the encoder.
*

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