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-rw-r--r--libavformat/rtpdec_h264.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/libavformat/rtpdec_h264.c b/libavformat/rtpdec_h264.c
index bc563f2138..e6c8c26160 100644
--- a/libavformat/rtpdec_h264.c
+++ b/libavformat/rtpdec_h264.c
@@ -177,7 +177,8 @@ static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
}
static int h264_handle_packet_stap_a(AVFormatContext *ctx, AVPacket *pkt,
- const uint8_t *buf, int len)
+ const uint8_t *buf, int len,
+ int start_skip)
{
int pass = 0;
int total_length = 0;
@@ -189,6 +190,9 @@ static int h264_handle_packet_stap_a(AVFormatContext *ctx, AVPacket *pkt,
const uint8_t *src = buf;
int src_len = len;
+ src += start_skip;
+ src_len -= start_skip;
+
while (src_len > 2) {
uint16_t nal_size = AV_RB16(src);
@@ -215,8 +219,8 @@ static int h264_handle_packet_stap_a(AVFormatContext *ctx, AVPacket *pkt,
}
// eat what we handled
- src += nal_size;
- src_len -= nal_size;
+ src += nal_size + start_skip;
+ src_len -= nal_size + start_skip;
}
if (pass == 0) {
@@ -304,7 +308,7 @@ static int h264_handle_packet(AVFormatContext *ctx, PayloadContext *data,
// consume the STAP-A NAL
buf++;
len--;
- result = h264_handle_packet_stap_a(ctx, pkt, buf, len);
+ result = h264_handle_packet_stap_a(ctx, pkt, buf, len, 0);
break;
case 25: // STAP-B