From bff678c48a3d453244486b64a21fd4e00f56cbfb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert-Andr=C3=A9=20Mauchin?=
 <30413512+eclipseo@users.noreply.github.com>
Date: Thu, 9 May 2024 20:31:17 +0200
Subject: [PATCH] Add compatibility with FFMPEG 7.0 (#16499)

channel_layout has been replaced with ch_layout

Fix: #16437
---
 cores/libretro-ffmpeg/ffmpeg_core.c |  8 ++++++++
 record/drivers/record_ffmpeg.c      | 29 ++++++++++++++++++++++++++---
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/cores/libretro-ffmpeg/ffmpeg_core.c b/cores/libretro-ffmpeg/ffmpeg_core.c
index c96b4f4c75..08bee25063 100644
--- a/cores/libretro-ffmpeg/ffmpeg_core.c
+++ b/cores/libretro-ffmpeg/ffmpeg_core.c
@@ -65,6 +65,8 @@ extern "C" {
    s ##_version() >> 8 & 0xFF, \
    s ##_version() & 0xFF);
 
+#define HAVE_CH_LAYOUT (LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 28, 100))
+
 static bool reset_triggered;
 static bool libretro_supports_bitmasks = false;
 
@@ -1726,8 +1728,14 @@ static void decode_thread(void *data)
    {
       swr[i] = swr_alloc();
 
+#if HAVE_CH_LAYOUT
+      AVChannelLayout out_chlayout = AV_CHANNEL_LAYOUT_STEREO;
+      av_opt_set_chlayout(swr[i], "in_chlayout", &actx[i]->ch_layout, 0);
+      av_opt_set_chlayout(swr[i], "out_chlayout", &out_chlayout, 0);
+#else
       av_opt_set_int(swr[i], "in_channel_layout", actx[i]->channel_layout, 0);
       av_opt_set_int(swr[i], "out_channel_layout", AV_CH_LAYOUT_STEREO, 0);
+#endif
       av_opt_set_int(swr[i], "in_sample_rate", actx[i]->sample_rate, 0);
       av_opt_set_int(swr[i], "out_sample_rate", media.sample_rate, 0);
       av_opt_set_int(swr[i], "in_sample_fmt", actx[i]->sample_fmt, 0);
diff --git a/record/drivers/record_ffmpeg.c b/record/drivers/record_ffmpeg.c
index cb5114b945..0af5499872 100644
--- a/record/drivers/record_ffmpeg.c
+++ b/record/drivers/record_ffmpeg.c
@@ -70,6 +70,7 @@ extern "C" {
 #include "../../verbosity.h"
 
 #define FFMPEG3 (LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 10, 100))
+#define HAVE_CH_LAYOUT (LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 28, 100))
 
 struct ff_video_info
 {
@@ -301,9 +302,15 @@ static bool ffmpeg_init_audio(ffmpeg_t *handle, const char *audio_resampler)
    audio->codec                 = avcodec_alloc_context3(codec);
 
    audio->codec->codec_type     = AVMEDIA_TYPE_AUDIO;
+#if HAVE_CH_LAYOUT
+   audio->codec->ch_layout = (param->channels > 1)
+      ? (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO
+      : (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
+#else
    audio->codec->channels       = param->channels;
    audio->codec->channel_layout = (param->channels > 1)
       ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
+#endif
 
    ffmpeg_audio_resolve_format(audio, codec);
    ffmpeg_audio_resolve_sample_rate(handle, codec);
@@ -351,9 +358,15 @@ static bool ffmpeg_init_audio(ffmpeg_t *handle, const char *audio_resampler)
    if (!audio->codec->frame_size)
       audio->codec->frame_size = 1024;
 
+#if HAVE_CH_LAYOUT
+   int nb_channels = audio->codec->ch_layout.nb_channels;
+#else
+   int nb_channels = audio->codec->channels;
+#endif
+
    audio->buffer = (uint8_t*)av_malloc(
          audio->codec->frame_size *
-         audio->codec->channels *
+         nb_channels *
          audio->sample_size);
 
    if (!audio->buffer)
@@ -1342,20 +1355,30 @@ static bool encode_audio(ffmpeg_t *handle, bool dry)
 
    frame->nb_samples     = handle->audio.frames_in_buffer;
    frame->format         = handle->audio.codec->sample_fmt;
+#if HAVE_CH_LAYOUT
+   av_channel_layout_copy(&frame->ch_layout, &handle->audio.codec->ch_layout);
+#else
    frame->channel_layout = handle->audio.codec->channel_layout;
+#endif
    frame->pts            = handle->audio.frame_cnt;
 
    planarize_audio(handle);
 
+#if HAVE_CH_LAYOUT
+   int nb_channels = handle->audio.codec->ch_layout.nb_channels;
+#else
+   int nb_channels = handle->audio.codec->channels;
+#endif
+
    samples_size          = av_samples_get_buffer_size(
          NULL,
-         handle->audio.codec->channels,
+         nb_channels,
          handle->audio.frames_in_buffer,
          handle->audio.codec->sample_fmt, 0);
 
    av_frame_get_buffer(frame, 0);
    avcodec_fill_audio_frame(frame,
-         handle->audio.codec->channels,
+         nb_channels,
          handle->audio.codec->sample_fmt,
          handle->audio.is_planar
          ? (uint8_t*)handle->audio.planar_buf :