ffmpeg: fix build with binutils 2.43 on arm with commerical codecs

binutils 2.43 is stricter with label names, so rename a label to stop
assembler errors.

[ YOCTO #15570 ]

(From OE-Core rev: 06d29af58521b94518c924468db34d0eed1cb056)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 53 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/0001-libavcodec-arm-mlpdsp_armv5te-fix-label-format-to-wo.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/0001-libavcodec-arm-mlpdsp_armv5te-fix-label-format-to-wo.patch
new file mode 100644
index 0000000000..2551eb17d7
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/0001-libavcodec-arm-mlpdsp_armv5te-fix-label-format-to-wo.patch
@@ -0,0 +1,52 @@
+From 0b541aa54b9573d8eef7401a0cc58c422fe60a9a Mon Sep 17 00:00:00 2001
+From: Ross Burton <ross.burton@arm.com>
+Date: Thu, 8 Aug 2024 18:04:17 +0100
+Subject: [PATCH] libavcodec/arm/mlpdsp_armv5te: fix label format to work with
+ binutils 2.43
+
+binutils 2.43 has stricter validation for labels[1] and results in errors
+when building ffmpeg for armv5:
+
+src/libavcodec/arm/mlpdsp_armv5te.S:232: Error: junk at end of line, first unrecognized character is `0'
+
+Remove the leading zero in the "01" label to resolve this error.
+
+[1] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=226749d5a6ff0d5c607d6428d6c81e1e7e7a994b
+
+Upstream-Status: Submitted [https://ffmpeg.org//pipermail/ffmpeg-devel/2024-August/332149.html]
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+---
+ libavcodec/arm/mlpdsp_armv5te.S | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/libavcodec/arm/mlpdsp_armv5te.S b/libavcodec/arm/mlpdsp_armv5te.S
+index 4f9aa48..d315686 100644
+--- a/libavcodec/arm/mlpdsp_armv5te.S
++++ b/libavcodec/arm/mlpdsp_armv5te.S
+@@ -229,7 +229,7 @@ A .endif
+   .endif
+ 
+         // Begin loop
+-01:
++1:
+   .if TOTAL_TAPS == 0
+         // Things simplify a lot in this case
+         // In fact this could be pipelined further if it's worth it...
+@@ -241,7 +241,7 @@ A .endif
+         str     ST0, [PST, #-4]!
+         str     ST0, [PST, #4 * (MAX_BLOCKSIZE + MAX_FIR_ORDER)]
+         str     ST0, [PSAMP], #4 * MAX_CHANNELS
+-        bne     01b
++        bne     1b
+   .else
+     .if \fir_taps & 1
+       .set LOAD_REG, 1
+@@ -333,7 +333,7 @@ T       orr     AC0, AC0, AC1
+         str     ST3, [PST, #-4]!
+         str     ST2, [PST, #4 * (MAX_BLOCKSIZE + MAX_FIR_ORDER)]
+         str     ST3, [PSAMP], #4 * MAX_CHANNELS
+-        bne     01b
++        bne     1b
+   .endif
+         b       99f
+ 
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
index dea1f54580..fe34b87ccf 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
@@ -27,6 +27,7 @@ SRC_URI = " \
     file://av1_ordering_info.patch \
     file://vulkan_av1_stable_API.patch \
     file://vulkan_fix_gcc14.patch \
+    file://0001-libavcodec-arm-mlpdsp_armv5te-fix-label-format-to-wo.patch \
 "
 
 SRC_URI[sha256sum] = "8684f4b00f94b85461884c3719382f1261f0d9eb3d59640a1f4ac0873616f968"