diff options
| -rw-r--r-- | gst/rtp/gstrtph263depay.c | 10 | ||||
| -rw-r--r-- | gst/rtp/gstrtph263depay.h | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gst/rtp/gstrtph263depay.c b/gst/rtp/gstrtph263depay.c index adb7ded53..8ae5a2886 100644 --- a/gst/rtp/gstrtph263depay.c +++ b/gst/rtp/gstrtph263depay.c @@ -206,7 +206,6 @@ gst_rtp_h263_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ I = (payload[1] & 0x10) == 0x10; - } else { if (P == 0) { /* F == 1 and P == 0 @@ -257,12 +256,21 @@ gst_rtp_h263_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) if (!F && payload_len > 4 && (GST_READ_UINT32_BE (payload) >> 10 == 0x20)) { GST_DEBUG ("Mode A with PSC => frame start"); rtph263depay->start = TRUE; + if (!!(payload[4] & 0x02) != I) { + GST_DEBUG ("Wrong Picture Coding Type Flag in rtp header"); + I = !I; + } + rtph263depay->psc_I = I; } else { GST_DEBUG ("no frame start yet, skipping payload"); goto skip; } } + /* only trust I info from Mode A starting packet + * from buggy payloaders or hw */ + I = rtph263depay->psc_I; + if (SBIT) { /* take the leftover and merge it at the beginning, FIXME make the buffer * data writable. */ diff --git a/gst/rtp/gstrtph263depay.h b/gst/rtp/gstrtph263depay.h index e16147754..9cecb0953 100644 --- a/gst/rtp/gstrtph263depay.h +++ b/gst/rtp/gstrtph263depay.h @@ -46,6 +46,7 @@ struct _GstRtpH263Depay guint8 offset; /* offset to apply to next payload */ guint8 leftover; /* leftover from previous payload (if offset != 0) */ + gboolean psc_I; /* Picture-Coding-Type == I from Picture Start Code packet */ GstAdapter *adapter; gboolean start; }; |