/*****************************************************************************
- * Copyright © 2010-2011 VideoLAN
+ * Copyright © 2010-2014 VideoLAN
*
* Authors: Jean-Baptiste Kempf <jb@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-/* Parse the SPS/PPS Metadata and convert it to annex b format */
-static int convert_sps_pps( decoder_t *p_dec, const uint8_t *p_buf,
- uint32_t i_buf_size, uint8_t *p_out_buf,
- uint32_t i_out_buf_size, uint32_t *p_sps_pps_size,
- uint32_t *p_nal_size)
-{
- int i_profile;
- uint32_t i_data_size = i_buf_size, i_nal_size, i_sps_pps_size = 0;
- unsigned int i_loop_end;
-
- /* */
- if( i_data_size < 7 )
- {
- msg_Err( p_dec, "Input Metadata too small" );
- return VLC_ENOMEM;
- }
-
- /* Read infos in first 6 bytes */
- i_profile = (p_buf[1] << 16) | (p_buf[2] << 8) | p_buf[3];
- if (p_nal_size)
- *p_nal_size = (p_buf[4] & 0x03) + 1;
- p_buf += 5;
- i_data_size -= 5;
+#ifndef H264_NAL_H
+# define H264_NAL_H
- for ( unsigned int j = 0; j < 2; j++ )
- {
- /* First time is SPS, Second is PPS */
- if( i_data_size < 1 )
- {
- msg_Err( p_dec, "PPS too small after processing SPS/PPS %u",
- i_data_size );
- return VLC_ENOMEM;
- }
- i_loop_end = p_buf[0] & (j == 0 ? 0x1f : 0xff);
- p_buf++; i_data_size--;
+# ifdef HAVE_CONFIG_H
+# include "config.h"
+# endif
- for ( unsigned int i = 0; i < i_loop_end; i++)
- {
- if( i_data_size < 2 )
- {
- msg_Err( p_dec, "SPS is too small %u", i_data_size );
- return VLC_ENOMEM;
- }
+# include <vlc_common.h>
+# include <vlc_codec.h>
- i_nal_size = (p_buf[0] << 8) | p_buf[1];
- p_buf += 2;
- i_data_size -= 2;
+#define PROFILE_H264_BASELINE 66
+#define PROFILE_H264_MAIN 77
+#define PROFILE_H264_EXTENDED 88
+#define PROFILE_H264_HIGH 100
+#define PROFILE_H264_HIGH_10 110
+#define PROFILE_H264_HIGH_422 122
+#define PROFILE_H264_HIGH_444 144
+#define PROFILE_H264_HIGH_444_PREDICTIVE 244
- if( i_data_size < i_nal_size )
- {
- msg_Err( p_dec, "SPS size does not match NAL specified size %u",
- i_data_size );
- return VLC_ENOMEM;
- }
- if( i_sps_pps_size + 4 + i_nal_size > i_out_buf_size )
- {
- msg_Err( p_dec, "Output SPS/PPS buffer too small" );
- return VLC_ENOMEM;
- }
+#define PROFILE_H264_CAVLC_INTRA 44
+#define PROFILE_H264_SVC_BASELINE 83
+#define PROFILE_H264_SVC_HIGH 86
+#define PROFILE_H264_MVC_STEREO_HIGH 128
+#define PROFILE_H264_MVC_MULTIVIEW_HIGH 118
- p_out_buf[i_sps_pps_size++] = 0;
- p_out_buf[i_sps_pps_size++] = 0;
- p_out_buf[i_sps_pps_size++] = 0;
- p_out_buf[i_sps_pps_size++] = 1;
-
- memcpy( p_out_buf + i_sps_pps_size, p_buf, i_nal_size );
- i_sps_pps_size += i_nal_size;
+/* Parse the SPS/PPS Metadata and convert it to annex b format */
+int convert_sps_pps( decoder_t *p_dec, const uint8_t *p_buf,
+ uint32_t i_buf_size, uint8_t *p_out_buf,
+ uint32_t i_out_buf_size, uint32_t *p_sps_pps_size,
+ uint32_t *p_nal_size);
- p_buf += i_nal_size;
- i_data_size -= i_nal_size;
- }
- }
+/* Convert H.264 NAL format to annex b in-place */
+struct H264ConvertState {
+ uint32_t nal_len;
+ uint32_t nal_pos;
+};
- *p_sps_pps_size = i_sps_pps_size;
+void convert_h264_to_annexb( uint8_t *p_buf, uint32_t i_len,
+ size_t i_nal_size,
+ struct H264ConvertState *state );
- return VLC_SUCCESS;
-}
+/* Get level and Profile */
+bool h264_get_profile_level(const es_format_t *p_fmt, size_t *p_profile,
+ size_t *p_level, size_t *p_nal_size);
+#endif /* H264_NAL_H */
projects / vlc / blobdiff