package/ffmpeg: fix gcc 14.x compile issue

Fixes:
 - http://autobuild.buildroot.net/results/a04/a040cbc991da14c68302062ce96121b1e55c690e

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit ade2db3ad2)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/ffmpeg/0006-avcodec-pcm-bluray-dvd-Use-correct-pointer-types-on-.patch

@@ -0,0 +1,52 @@
+From 347a70f101be28f8d78e8fd62ffc3a78324f49e9 Mon Sep 17 00:00:00 2001
+From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
+Date: Thu, 28 Mar 2024 05:35:36 +0100
+Subject: [PATCH] avcodec/pcm-bluray/dvd: Use correct pointer types on BE
+
+Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+Upstream: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/347a70f101be28f8d78e8fd62ffc3a78324f49e9
+---
+ libavcodec/pcm-bluray.c | 5 +++--
+ libavcodec/pcm-dvd.c    | 2 +-
+ 2 files changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/libavcodec/pcm-bluray.c b/libavcodec/pcm-bluray.c
+index f65609514a..235020d78f 100644
+--- a/libavcodec/pcm-bluray.c
++++ b/libavcodec/pcm-bluray.c
+@@ -167,7 +167,7 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, AVFrame *frame,
+             samples *= num_source_channels;
+             if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
+ #if HAVE_BIGENDIAN
+-                bytestream2_get_buffer(&gb, dst16, buf_size);
++                bytestream2_get_buffer(&gb, (uint8_t*)dst16, buf_size);
+ #else
+                 do {
+                     *dst16++ = bytestream2_get_be16u(&gb);
+@@ -187,7 +187,8 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, AVFrame *frame,
+             if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
+                 do {
+ #if HAVE_BIGENDIAN
+-                    bytestream2_get_buffer(&gb, dst16, avctx->ch_layout.nb_channels * 2);
++                    bytestream2_get_buffer(&gb, (uint8_t*)dst16,
++                                           avctx->ch_layout.nb_channels * 2);
+                     dst16 += avctx->ch_layout.nb_channels;
+ #else
+                     channel = avctx->ch_layout.nb_channels;
+diff --git a/libavcodec/pcm-dvd.c b/libavcodec/pcm-dvd.c
+index 419b2a138f..319746c62e 100644
+--- a/libavcodec/pcm-dvd.c
++++ b/libavcodec/pcm-dvd.c
+@@ -157,7 +157,7 @@ static void *pcm_dvd_decode_samples(AVCodecContext *avctx, const uint8_t *src,
+     switch (avctx->bits_per_coded_sample) {
+     case 16: {
+ #if HAVE_BIGENDIAN
+-        bytestream2_get_buffer(&gb, dst16, blocks * s->block_size);
++        bytestream2_get_buffer(&gb, (uint8_t*)dst16, blocks * s->block_size);
+         dst16 += blocks * s->block_size / 2;
+ #else
+         int samples = blocks * avctx->ch_layout.nb_channels;
+-- 
+2.39.2
+