From ccafd40ccce83d9857e61361126bd474d4b712e8 Mon Sep 17 00:00:00 2001
From: Dudemanguy <random342@airmail.cc>
Date: Sat, 28 Oct 2023 00:41:57 -0500
Subject: demux: add a format-name property

It can be useful to know the underlying format of any entry in the
track list. Only applicable to the lavf demuxer.
---
 demux/demux_lavf.c | 11 +++++++----
 demux/stheader.h   |  1 +
 2 files changed, 8 insertions(+), 4 deletions(-)

(limited to 'demux')

diff --git a/demux/demux_lavf.c b/demux/demux_lavf.c
index bb7b38f9a8..fa9fd5cee8 100644
--- a/demux/demux_lavf.c
+++ b/demux/demux_lavf.c
@@ -29,14 +29,15 @@
 
 #include <libavformat/avformat.h>
 #include <libavformat/avio.h>
+
 #include <libavutil/avutil.h>
 #include <libavutil/avstring.h>
-#include <libavutil/mathematics.h>
-#include <libavutil/replaygain.h>
 #include <libavutil/display.h>
-#include <libavutil/opt.h>
-
 #include <libavutil/dovi_meta.h>
+#include <libavutil/mathematics.h>
+#include <libavutil/opt.h>
+#include <libavutil/pixdesc.h>
+#include <libavutil/replaygain.h>
 
 #include "audio/chmap_avchannel.h"
 
@@ -726,6 +727,7 @@ static void handle_new_stream(demuxer_t *demuxer, int i)
 
         sh->codec->samplerate = codec->sample_rate;
         sh->codec->bitrate = codec->bit_rate;
+        sh->codec->format_name = talloc_strdup(sh, av_get_sample_fmt_name(codec->format));
 
         double delay = 0;
         if (codec->sample_rate > 0)
@@ -764,6 +766,7 @@ static void handle_new_stream(demuxer_t *demuxer, int i)
 
         sh->codec->disp_w = codec->width;
         sh->codec->disp_h = codec->height;
+        sh->codec->format_name = talloc_strdup(sh, av_get_pix_fmt_name(codec->format));
         if (st->avg_frame_rate.num)
             sh->codec->fps = av_q2d(st->avg_frame_rate);
         if (is_image(st, sh->attached_picture, priv->avif)) {
diff --git a/demux/stheader.h b/demux/stheader.h
index cb6cc3e579..438ef7db41 100644
--- a/demux/stheader.h
+++ b/demux/stheader.h
@@ -111,6 +111,7 @@ struct mp_codec_params {
 
     // STREAM_VIDEO + STREAM_AUDIO
     int bits_per_coded_sample;
+    char *format_name;    // pixel format (video) or sample format (audio)
 
     // STREAM_SUB
     double frame_based;   // timestamps are frame-based (and this is the
-- 
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