}
return 0;
}
+
+/**
+ * Compute profile from profile_idc and constraint_set?_flags.
+ *
+ * @param sps SPS
+ *
+ * @return profile as defined by FF_PROFILE_H264_*
+ */
+int ff_h264_get_profile(const SPS *sps)
+{
+ int profile = sps->profile_idc;
+
+ switch (sps->profile_idc) {
+ case FF_PROFILE_H264_BASELINE:
+ // constraint_set1_flag set to 1
+ profile |= (sps->constraint_set_flags & 1 << 1) ? FF_PROFILE_H264_CONSTRAINED : 0;
+ break;
+ case FF_PROFILE_H264_HIGH_10:
+ case FF_PROFILE_H264_HIGH_422:
+ case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
+ // constraint_set3_flag set to 1
+ profile |= (sps->constraint_set_flags & 1 << 3) ? FF_PROFILE_H264_INTRA : 0;
+ break;
+ }
+
+ return profile;
+}