static int write_frame( hnd_t handle, uint8_t *p_nalu, int i_size, x264_picture_t *p_picture, int i_ref_idc ) { mkv_hnd_t *p_mkv = handle; if( !p_mkv->b_writing_frame ) { if( mk_start_frame( p_mkv->w ) < 0 ) return -1; p_mkv->b_writing_frame = 1; } if( mk_add_frame_data( p_mkv->w, p_nalu, i_size ) < 0 ) return -1; int64_t i_stamp = (int64_t)((p_picture->i_pts * 1e9 * p_mkv->i_timebase_num / p_mkv->i_timebase_den) + 0.5); p_mkv->b_writing_frame = 0; if( mk_set_frame_flags( p_mkv->w, i_stamp, p_picture->b_keyframe, p_picture->i_type == X264_TYPE_B ) < 0 ) return -1; return i_size; }
static int write_headers_mpeg2( hnd_t handle, x264_nal_t *p_nal ) { mkv_hnd_t *p_mkv = handle; int mpeg2_size = p_nal[0].i_payload; int ret; uint8_t *mpeg2C; if( !p_mkv->width || !p_mkv->height || !p_mkv->d_width || !p_mkv->d_height ) return -1; mpeg2C = malloc( mpeg2_size ); if( !mpeg2C ) return -1; memcpy( mpeg2C, p_nal[0].p_payload, mpeg2_size ); ret = mk_write_header( p_mkv->w, "x264" X264_VERSION, "V_MPEG2", mpeg2C, mpeg2_size, p_mkv->frame_duration, 50000, p_mkv->width, p_mkv->height, p_mkv->d_width, p_mkv->d_height, p_mkv->display_size_units ); if( ret < 0 ) return ret; free( mpeg2C ); if( !p_mkv->b_writing_frame ) { if( mk_start_frame( p_mkv->w ) < 0 ) return -1; p_mkv->b_writing_frame = 1; } return mpeg2_size; }
static int write_headers( hnd_t handle, x264_nal_t *p_nal ) { mkv_hnd_t *p_mkv = handle; int sps_size = p_nal[0].i_payload - 4; int pps_size = p_nal[1].i_payload - 4; int sei_size = p_nal[2].i_payload; uint8_t *sps = p_nal[0].p_payload + 4; uint8_t *pps = p_nal[1].p_payload + 4; uint8_t *sei = p_nal[2].p_payload; int ret; uint8_t *avcC; int avcC_len; if( !p_mkv->width || !p_mkv->height || !p_mkv->d_width || !p_mkv->d_height ) return -1; avcC_len = 5 + 1 + 2 + sps_size + 1 + 2 + pps_size; avcC = malloc( avcC_len ); if( !avcC ) return -1; avcC[0] = 1; avcC[1] = sps[1]; avcC[2] = sps[2]; avcC[3] = sps[3]; avcC[4] = 0xff; // nalu size length is four bytes avcC[5] = 0xe1; // one sps avcC[6] = sps_size >> 8; avcC[7] = sps_size; memcpy( avcC+8, sps, sps_size ); avcC[8+sps_size] = 1; // one pps avcC[9+sps_size] = pps_size >> 8; avcC[10+sps_size] = pps_size; memcpy( avcC+11+sps_size, pps, pps_size ); ret = mk_write_header( p_mkv->w, "x264" X264_VERSION, "V_MPEG4/ISO/AVC", avcC, avcC_len, p_mkv->frame_duration, 50000, p_mkv->width, p_mkv->height, p_mkv->d_width, p_mkv->d_height, p_mkv->display_size_units ); if( ret < 0 ) return ret; free( avcC ); // SEI if( !p_mkv->b_writing_frame ) { if( mk_start_frame( p_mkv->w ) < 0 ) return -1; p_mkv->b_writing_frame = 1; } if( mk_add_frame_data( p_mkv->w, sei, sei_size ) < 0 ) return -1; return sei_size + sps_size + pps_size; }