[FFmpeg-devel] [PATCH v1 1/1] libavformat/amr.c: remove mode range check

sunzhenliang hisunzhenliang at outlook.com
Sat Sep 4 09:54:13 EEST 2021


Those comfort noise frames and empty frames should be
considered the correct frame. And amr.c/amr_read_packet()
also takes them as correct frames too.

Signed-off-by: sunzhenliang <hisunzhenliang at outlook.com>
---
 libavformat/amr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/amr.c b/libavformat/amr.c
index 836b276fd5..540d8033d8 100644
--- a/libavformat/amr.c
+++ b/libavformat/amr.c
@@ -178,7 +178,7 @@ static int amrnb_probe(const AVProbeData *p)
 
     while (i < p->buf_size) {
         mode = b[i] >> 3 & 0x0F;
-        if (mode < 9 && (b[i] & 0x4) == 0x4) {
+        if ((b[i] & 0x4) == 0x4) {
             int last = b[i];
             int size = amrnb_packed_size[mode];
             while (size--) {
@@ -234,7 +234,7 @@ static int amrwb_probe(const AVProbeData *p)
 
     while (i < p->buf_size) {
         mode = b[i] >> 3 & 0x0F;
-        if (mode < 10 && (b[i] & 0x4) == 0x4) {
+        if ((b[i] & 0x4) == 0x4) {
             int last = b[i];
             int size = amrwb_packed_size[mode];
             while (size--) {
-- 
2.30.1 (Apple Git-130)



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