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fftools/ffprobe: print downmix_info frame side data

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Signed-off-by: Nicolas Gaullier <nicolas.gaullier@cji.paris>
This commit is contained in:
Nicolas Gaullier
2026-05-25 00:55:19 +00:00
committed by Jun Zhao
co-authored by Jun Zhao
parent 6b401344e8
commit b79a7422f5
1 changed files with 29 additions and 1 deletions
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fftools/ffprobe.c
+29 -1
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@@ -39,6 +39,7 @@
#include "libavutil/avutil.h"
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
#include "libavutil/downmix_info.h"
#include "libavutil/display.h"
#include "libavutil/film_grain_params.h"
#include "libavutil/hdr_dynamic_metadata.h"
@@ -456,6 +457,7 @@ static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
#define print_duration_ts(k, v) avtext_print_ts(tfc, k, v, 1)
#define print_val(k, v, u) avtext_print_unit_integer(tfc, k, v, AV_TEXTFORMAT_VALUE_FMT_INT, u)
#define print_int_fmt(k, v, f, u) avtext_print_unit_integer(tfc, k, v, f, u)
#define print_decibel(k, v) avtext_print_unit_double(tfc, k, v, AV_TEXTFORMAT_VALUE_FMT_DECIBEL, 0)
static void print_integers(AVTextFormatContext *tfc, const char *key,
const void *data, int size, const char *format,
@@ -507,6 +509,30 @@ static inline int show_tags(AVTextFormatContext *tfc, AVDictionary *tags, int se
return ret;
}
static void print_downmix_info(AVTextFormatContext *tfc,
const AVDownmixInfo *downmix_info)
{
switch (downmix_info->preferred_downmix_type) {
case AV_DOWNMIX_TYPE_LORO:
print_str("preferred_downmix_type", "loro");
break;
case AV_DOWNMIX_TYPE_LTRT:
print_str("preferred_downmix_type", "ltrt");
break;
case AV_DOWNMIX_TYPE_DPLII:
print_str("preferred_downmix_type", "dplII");
break;
default:
print_str("preferred_downmix_type", "unknown");
break;
}
print_decibel("center_mix_level_db", downmix_info->center_mix_level);
print_decibel("center_mix_level_ltrt_db", downmix_info->center_mix_level_ltrt);
print_decibel("surround_mix_level_db", downmix_info->surround_mix_level);
print_decibel("surround_mix_level_ltrt_db", downmix_info->surround_mix_level_ltrt);
print_decibel("lfe_mix_level_db", downmix_info->lfe_mix_level);
}
static void print_displaymatrix(AVTextFormatContext *tfc, const int32_t matrix[9])
{
double rotation = av_display_rotation_get(matrix);
@@ -1418,7 +1444,9 @@ static void print_frame_side_data(AVTextFormatContext *tfc,
avtext_print_section_header(tfc, sd, SECTION_ID_FRAME_SIDE_DATA);
name = av_frame_side_data_name(sd->type);
print_str("side_data_type", name ? name : "unknown");
if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
if (sd->type == AV_FRAME_DATA_DOWNMIX_INFO) {
print_downmix_info(tfc, (AVDownmixInfo *)sd->data);
} else if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
print_displaymatrix(tfc, (const int32_t*)sd->data);
} else if (sd->type == AV_FRAME_DATA_AFD && sd->size > 0) {
print_int("active_format", *sd->data);