s[2*i_data] = '\0';
}
+static const char basis_64[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+int ap_base64encode_len(int len)
+{
+ return ((len + 2) / 3 * 4) + 1;
+}
+
+int ap_base64encode_binary(char *encoded,
+ const unsigned char *string, int len)
+{
+ int i;
+ char *p;
+
+ p = encoded;
+ for (i = 0; i < len - 2; i += 3) {
+ *p++ = basis_64[(string[i] >> 2) & 0x3F];
+ *p++ = basis_64[((string[i] & 0x3) << 4) |
+ ((int) (string[i + 1] & 0xF0) >> 4)];
+ *p++ = basis_64[((string[i + 1] & 0xF) << 2) |
+ ((int) (string[i + 2] & 0xC0) >> 6)];
+ *p++ = basis_64[string[i + 2] & 0x3F];
+ }
+ if (i < len) {
+ *p++ = basis_64[(string[i] >> 2) & 0x3F];
+ if (i == (len - 1)) {
+ *p++ = basis_64[((string[i] & 0x3) << 4)];
+ *p++ = '=';
+ }
+ else {
+ *p++ = basis_64[((string[i] & 0x3) << 4) |
+ ((int) (string[i + 1] & 0xF0) >> 4)];
+ *p++ = basis_64[((string[i + 1] & 0xF) << 2)];
+ }
+ *p++ = '=';
+ }
+
+ *p++ = '\0';
+ return p - encoded;
+}
+
+int ap_base64encode(char *encoded, const char *string, int len)
+{
+ return ap_base64encode_binary(encoded, (const unsigned char *) string, len);
+}
+
+char *b64_encode(char *buf, int len)
+{
+ int elen;
+ char *out;
+
+ if(len == 0)
+ len = strlen(buf);
+
+ elen = ap_base64encode_len(len);
+ out = (char *) malloc(sizeof(char) * (elen + 1));
+
+ ap_base64encode(out, buf, len);
+
+ return out;
+}
+
static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
sout_instance_t *p_sout = p_stream->p_sout;
id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "H264/90000" );
id->pf_packetize = rtp_packetize_h264;
- id->psz_fmtp = strdup( "packetization-mode=1" );
+ if( p_fmt->i_extra > 0 )
+ {
+ uint8_t *p_buffer = p_fmt->p_extra;
+ int i_buffer = p_fmt->i_extra;
+ char *p_64_sps;
+ char *p_64_pps;
+ char hexa[6];
+
+ while( i_buffer > 4 &&
+ p_buffer[0] == 0 && p_buffer[1] == 0 &&
+ p_buffer[2] == 0 && p_buffer[3] == 1 )
+ {
+ const int i_nal_type = p_buffer[4]&0x1f;
+ int i_offset = 1;
+ int i_size = 0;
+ int i_startcode = 0;
+ int i_encoded = 0;
+
+ msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
+
+ for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
+ {
+ if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
+ {
+ /* we found another startcode */
+ i_startcode = i_offset;
+ break;
+ }
+ }
+ i_size = i_startcode ? i_startcode : i_buffer;
+ if( i_nal_type == 7 )
+ {
+ p_64_sps = (char *)malloc( ap_base64encode_len( i_size - 4) );
+ i_encoded = ap_base64encode_binary( p_64_sps, &p_buffer[4], i_size - 4 );
+ p_64_sps[i_encoded] = '\0';
+ sprintf_hexa( hexa, &p_buffer[5], 3 );
+ hexa[6] = '\0';
+ }
+ if( i_nal_type == 8 )
+ {
+ p_64_pps = (char *)malloc( ap_base64encode_len( i_size - 4) );
+ i_encoded = ap_base64encode_binary( p_64_pps, &p_buffer[4], i_size - 4 );
+ p_64_pps[i_encoded] = '\0';
+ }
+ i_buffer -= i_size;
+ p_buffer += i_size;
+ }
+ /* FIXME: All this is a bit unsafe */
+ asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
+ free( p_64_sps );
+ free( p_64_pps );
+ }
+ else
+ id->psz_fmtp = strdup( "packetization-mode=1" );
break;
case VLC_FOURCC( 'm', 'p', '4', 'v' ):
int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
uint8_t *p_data = in->p_buffer;
int i_data = in->i_buffer;
- int i;
+ block_t *out;
+ int i_nal_type;
+ int i_payload;
- if( i_data <= i_max )
+ while( i_data > 5 &&
+ ( p_data[0] != 0x00 || p_data[1] != 0x00 || p_data[2] != 0x01 || /* startcode */
+ (p_data[3]&0x1f) < 1 || (p_data[3]&0x1f) > 23 ) ) /* naltype should be between 1 and 23 */
{
- /* NAL */
- int i_payload;
- block_t *out;
- uint8_t *p = p_data;
- int i_rest = in->i_buffer;
-
- while( i_rest > 4 &&
- ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
- {
- p++;
- i_rest--;
- }
+ p_data++;
+ i_data--;
+ }
- if (i_rest < 4)
- return VLC_SUCCESS;
-
- p+=3;
- i_rest-=3;
+ if( i_data < 5 )
+ return VLC_SUCCESS;
- i_payload = __MIN( i_max, i_rest );
+ p_data+=3;
+ i_data-=3;
+ i_nal_type = p_data[0]&0x1f;
+
+ if( i_data <= i_max ) /* The whole pack will fit in one rtp payload */
+ {
+ /* single NAL */
+ i_payload = __MIN( i_max, i_data );
out = block_New( p_stream, 12 + i_payload );
/* rtp common header */
rtp_packetize_common( id, out, 1,
in->i_pts > 0 ? in->i_pts : in->i_dts );
- memcpy( &out->p_buffer[12], p, i_payload );
+ memcpy( &out->p_buffer[12], p_data, i_payload );
out->i_buffer = 12 + i_payload;
out->i_dts = in->i_dts;
else
{
/* FU-A */
- int i_payload;
- block_t *out;
- uint8_t *p = p_data;
- int i_rest = in->i_buffer;
- int start=1, end=0, first=0, nalh=-1;
+ uint8_t nalh; /* The nalheader byte */
+ int i=0, start=1, end=0, first=0;
- while( i_rest > 4 &&
- ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
- {
- p++;
- i_rest--;
- }
-
- if (i_rest < 4)
- return VLC_SUCCESS;
-
- p+=3;
- i_rest-=3;
-
- nalh = *p;
- p++;
- i_rest--;
+ nalh = *p_data;
+ p_data++;
+ i_data--;
i_max = id->i_mtu - 14;
- i_count = ( i_rest + i_max - 1 ) / i_max;
+ i_count = ( i_data + i_max - 1 ) / i_max;
/*msg_Dbg( p_stream, "nal-out fragmented %02x %d", nalh, i_rest);*/
- i=0;
- while (end==0){
- i_payload = __MIN( i_max, i_rest );
- out = block_New( p_stream, 14 + i_payload );
+ while( end == 0 )
+ {
+ i_payload = __MIN( i_max, i_data );
+ out = block_New( p_stream, 14 + i_payload );
- if (i_rest==i_payload)
+ if( i_data == i_payload )
end = 1;
/* rtp common header */
/* FU header */
out->p_buffer[13] = (start<<7)|(end<<6)|(nalh&0x1f);
- memcpy( &out->p_buffer[14], p+first, i_payload );
+ memcpy( &out->p_buffer[14], p_data+first, i_payload );
out->i_buffer = 14 + i_payload;
// not sure what of these should be used and what it does :)
- out->i_dts = in->i_dts + i * in->i_length / i_count;
- out->i_length = in->i_length / i_count;
- //out->i_dts = in->i_dts;
- //out->i_length = in->i_length;
+ out->i_pts = in->i_pts;
+ out->i_dts = in->i_dts;
+ //out->i_dts = in->i_dts + i * in->i_length / i_count;
+ //out->i_length = in->i_length / i_count;
rtp_packetize_send( id, out );
/*msg_Dbg( p_stream, "nal-out fragmented: frag %d %d %02x %02x %d", start,end,
out->p_buffer[12], out->p_buffer[13], i_payload );*/
- i_rest -= i_payload;
+ i_data -= i_payload;
first += i_payload;
i++;
start=0;
projects / vlc / commitdiff