}
}
-static int intel_avc_find_skipemulcnt(unsigned char *buf, int bits_length)
-{
- int i, found;
- int leading_zero_cnt, byte_length, zero_byte;
- int nal_unit_type;
- int skip_cnt = 0;
-
-#define NAL_UNIT_TYPE_MASK 0x1f
-#define HW_MAX_SKIP_LENGTH 15
-
- byte_length = ALIGN(bits_length, 32) >> 3;
-
-
- leading_zero_cnt = 0;
- found = 0;
- for(i = 0; i < byte_length - 4; i++) {
- if (((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 1)) ||
- ((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 0) && (buf[i + 3] == 1))) {
- found = 1;
- break;
- }
- leading_zero_cnt++;
- }
- if (!found) {
- /* warning message is complained. But anyway it will be inserted. */
- WARN_ONCE("Invalid packed header data. "
- "Can't find the 000001 start_prefix code\n");
- return 0;
- }
- i = leading_zero_cnt;
-
- zero_byte = 0;
- if (!((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 1)))
- zero_byte = 1;
-
- skip_cnt = leading_zero_cnt + zero_byte + 3;
-
- /* the unit header byte is accounted */
- nal_unit_type = (buf[skip_cnt]) & NAL_UNIT_TYPE_MASK;
- skip_cnt += 1;
-
- if (nal_unit_type == 14 || nal_unit_type == 20 || nal_unit_type == 21) {
- /* more unit header bytes are accounted for MVC/SVC */
- skip_cnt += 3;
- }
- if (skip_cnt > HW_MAX_SKIP_LENGTH) {
- WARN_ONCE("Too many leading zeros are padded for packed data. "
- "It is beyond the HW range.!!!\n");
- }
- return skip_cnt;
-}
-
void intel_mfc_avc_pipeline_header_programing(VADriverContextP ctx,
struct encode_state *encode_state,
struct intel_encoder_context *encoder_context,
*header_buffer = (unsigned char *)bs.buffer;
return bs.bit_offset;
}
+
+int
+intel_avc_find_skipemulcnt(unsigned char *buf, int bits_length)
+{
+ int i, found;
+ int leading_zero_cnt, byte_length, zero_byte;
+ int nal_unit_type;
+ int skip_cnt = 0;
+
+#define NAL_UNIT_TYPE_MASK 0x1f
+#define HW_MAX_SKIP_LENGTH 15
+
+ byte_length = ALIGN(bits_length, 32) >> 3;
+
+
+ leading_zero_cnt = 0;
+ found = 0;
+ for(i = 0; i < byte_length - 4; i++) {
+ if (((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 1)) ||
+ ((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 0) && (buf[i + 3] == 1))) {
+ found = 1;
+ break;
+ }
+ leading_zero_cnt++;
+ }
+ if (!found) {
+ /* warning message is complained. But anyway it will be inserted. */
+ WARN_ONCE("Invalid packed header data. "
+ "Can't find the 000001 start_prefix code\n");
+ return 0;
+ }
+ i = leading_zero_cnt;
+
+ zero_byte = 0;
+ if (!((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 1)))
+ zero_byte = 1;
+
+ skip_cnt = leading_zero_cnt + zero_byte + 3;
+
+ /* the unit header byte is accounted */
+ nal_unit_type = (buf[skip_cnt]) & NAL_UNIT_TYPE_MASK;
+ skip_cnt += 1;
+
+ if (nal_unit_type == 14 || nal_unit_type == 20 || nal_unit_type == 21) {
+ /* more unit header bytes are accounted for MVC/SVC */
+ skip_cnt += 3;
+ }
+ if (skip_cnt > HW_MAX_SKIP_LENGTH) {
+ WARN_ONCE("Too many leading zeros are padded for packed data. "
+ "It is beyond the HW range.!!!\n");
+ }
+ return skip_cnt;
+}
unsigned int dpb_output_delay,
unsigned char **sei_buffer);
+int
+intel_avc_find_skipemulcnt(unsigned char *buf, int bits_length);
+
#endif /* __I965_ENCODER_UTILS_H__ */