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lavfi: af_showinfo: add support for IAMF side-data

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Marvin Scholz
2026-06-02 14:49:01 +02:00
parent d69e8d0a95
commit bfa67bafad
1 changed files with 85 additions and 0 deletions
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85
libavfilter/af_ashowinfo.c
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@@ -29,6 +29,7 @@
#include "libavutil/attributes.h"
#include "libavutil/channel_layout.h"
#include "libavutil/downmix_info.h"
#include "libavutil/iamf.h"
#include "libavutil/mem.h"
#include "libavutil/replaygain.h"
#include "libavutil/timestamp.h"
@@ -165,6 +166,85 @@ static void dump_audio_service_type(AVFilterContext *ctx, AVFrameSideData *sd)
}
}
static void dump_iamf_parameter_definition(AVFilterContext *ctx, const AVFrameSideData *sd)
{
const AVIAMFParamDefinition *param = (AVIAMFParamDefinition *)sd->data;
switch (param->type) {
case AV_IAMF_PARAMETER_DEFINITION_MIX_GAIN:
av_log(ctx, AV_LOG_INFO, "iamf mix gain parameters: ");
break;
case AV_IAMF_PARAMETER_DEFINITION_DEMIXING:
av_log(ctx, AV_LOG_INFO, "iamf demixing parameters: ");
break;
case AV_IAMF_PARAMETER_DEFINITION_RECON_GAIN:
av_log(ctx, AV_LOG_INFO, "iamf recon gain parameters: ");
break;
default:
av_log(ctx, AV_LOG_ERROR, "unknown iamf parameter definition type: %d",
param->type);
return;
}
av_log(ctx, AV_LOG_INFO,
"nb_subblocks=%d, "
"parameter_id=%d, "
"parameter_rate=%d, "
"duration=%d, "
"constant_subblock_duration=%d,",
param->nb_subblocks,
param->parameter_id,
param->parameter_rate,
param->duration,
param->constant_subblock_duration
);
for (unsigned i = 0; i < param->nb_subblocks; i++) {
const void *subblock = av_iamf_param_definition_get_subblock(param, i);
av_log(ctx, AV_LOG_INFO, " subblock[%d]={ ", i);
switch (param->type) {
case AV_IAMF_PARAMETER_DEFINITION_MIX_GAIN: {
const AVIAMFMixGain *mix = subblock;
av_log(ctx, AV_LOG_INFO,
"subblock_duration=%d, "
"animation_type=%d, "
"start_point_value=%d/%d, "
"end_point_value=%d/%d, "
"control_point_value=%d/%d, "
"control_point_relative_time=%d/%d",
mix->subblock_duration,
mix->animation_type,
mix->start_point_value.num, mix->start_point_value.den,
mix->end_point_value.num, mix->end_point_value.den,
mix->control_point_value.num, mix->control_point_value.den,
mix->control_point_relative_time.num, mix->control_point_relative_time.den
);
break;
}
case AV_IAMF_PARAMETER_DEFINITION_DEMIXING: {
const AVIAMFDemixingInfo *demix = subblock;
av_log(ctx, AV_LOG_INFO,
"subblock_duration=%d, "
"dmixp_mode=%d",
demix->subblock_duration,
demix->dmixp_mode
);
break;
}
case AV_IAMF_PARAMETER_DEFINITION_RECON_GAIN: {
const AVIAMFReconGain *recon = subblock;
av_log(ctx, AV_LOG_INFO,
"subblock_duration=%d", recon->subblock_duration
);
break;
}
}
av_log(ctx, AV_LOG_INFO, (i == param->nb_subblocks - 1) ? " }" : " },");
}
}
static void dump_unknown(AVFilterContext *ctx, AVFrameSideData *sd)
{
av_log(ctx, AV_LOG_INFO, "unknown side data type: %d, size "
@@ -224,6 +304,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
case AV_FRAME_DATA_DOWNMIX_INFO: dump_downmix (ctx, sd); break;
case AV_FRAME_DATA_REPLAYGAIN: dump_replaygain(ctx, sd); break;
case AV_FRAME_DATA_AUDIO_SERVICE_TYPE: dump_audio_service_type(ctx, sd); break;
case AV_FRAME_DATA_IAMF_DEMIXING_INFO_PARAM:
case AV_FRAME_DATA_IAMF_MIX_GAIN_PARAM:
case AV_FRAME_DATA_IAMF_RECON_GAIN_INFO_PARAM:
dump_iamf_parameter_definition(ctx, sd);
break;
default: dump_unknown (ctx, sd); break;
}