muxers.c
资源名称:X264CODEC.rar [点击查看]
上传用户:lctgjx
上传日期:2022-06-04
资源大小:8887k
文件大小:28k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*****************************************************************************
- * muxers.c: h264 file i/o plugins
- *****************************************************************************
- * Copyright (C) 2003-2008 x264 project
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Loren Merritt <lorenm@u.washington.edu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "common/common.h"
- #include "x264.h"
- #include "matroska.h"
- #include "muxers.h"
- //配置MS VC环境 --@lia
- #ifndef _MSC_VER
- #include "config.h"
- #endif
- #include <sys/types.h>
- #ifdef AVIS_INPUT
- #include <windows.h>
- #include <vfw.h>
- #endif
- #ifdef MP4_OUTPUT
- #include <gpac/isomedia.h>
- #endif
- static int64_t gcd( int64_t a, int64_t b )
- {
- while( 1 )
- {
- int64_t c = a % b;
- if( !c )
- return b;
- a = b;
- b = c;
- }
- }
- typedef struct
- {
- FILE *fh;
- int width, height;
- int next_frame;
- } yuv_input_t;
- /* raw 420 yuv file operation */
- int open_file_yuv( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
- {
- yuv_input_t *h = malloc( sizeof(yuv_input_t) );
- if( !h )
- return -1;
- h->width = p_param->i_width;
- h->height = p_param->i_height;
- h->next_frame = 0;
- if( !strcmp( psz_filename, "-" ) )
- h->fh = stdin;
- else
- h->fh = fopen( psz_filename, "rb" );
- if( h->fh == NULL )
- return -1;
- *p_handle = (hnd_t)h;
- return 0;
- }
- int get_frame_total_yuv( hnd_t handle )
- {
- yuv_input_t *h = handle;
- int i_frame_total = 0;
- if( !fseek( h->fh, 0, SEEK_END ) )
- {
- uint64_t i_size = ftell( h->fh );
- fseek( h->fh, 0, SEEK_SET );
- i_frame_total = (int)(i_size / ( h->width * h->height * 3 / 2 ));
- }
- return i_frame_total;
- }
- int read_frame_yuv( x264_picture_t *p_pic, hnd_t handle, int i_frame )
- {
- yuv_input_t *h = handle;
- if( i_frame != h->next_frame )
- if( fseek( h->fh, (uint64_t)i_frame * h->width * h->height * 3 / 2, SEEK_SET ) )
- return -1;
- if( fread( p_pic->img.plane[0], 1, h->width * h->height, h->fh ) <= 0
- || fread( p_pic->img.plane[1], 1, h->width * h->height / 4, h->fh ) <= 0
- || fread( p_pic->img.plane[2], 1, h->width * h->height / 4, h->fh ) <= 0 )
- return -1;
- h->next_frame = i_frame+1;
- return 0;
- }
- int close_file_yuv(hnd_t handle)
- {
- yuv_input_t *h = handle;
- if( !h || !h->fh )
- return 0;
- fclose( h->fh );
- free( h );
- return 0;
- }
- /* YUV4MPEG2 raw 420 yuv file operation */
- typedef struct
- {
- FILE *fh;
- int width, height;
- int next_frame;
- int seq_header_len, frame_header_len;
- int frame_size;
- } y4m_input_t;
- #define Y4M_MAGIC "YUV4MPEG2"
- #define MAX_YUV4_HEADER 80
- #define Y4M_FRAME_MAGIC "FRAME"
- #define MAX_FRAME_HEADER 80
- int open_file_y4m( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
- {
- int i, n, d;
- char header[MAX_YUV4_HEADER+10];
- char *tokstart, *tokend, *header_end;
- y4m_input_t *h = malloc( sizeof(y4m_input_t) );
- if( !h )
- return -1;
- h->next_frame = 0;
- if( !strcmp( psz_filename, "-" ) )
- h->fh = stdin;
- else
- h->fh = fopen(psz_filename, "rb");
- if( h->fh == NULL )
- return -1;
- h->frame_header_len = strlen(Y4M_FRAME_MAGIC)+1;
- /* Read header */
- for( i = 0; i < MAX_YUV4_HEADER; i++ )
- {
- header[i] = fgetc(h->fh);
- if( header[i] == 'n' )
- {
- /* Add a space after last option. Makes parsing "444" vs
- "444alpha" easier. */
- header[i+1] = 0x20;
- header[i+2] = 0;
- break;
- }
- }
- if( i == MAX_YUV4_HEADER || strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC)) )
- return -1;
- /* Scan properties */
- header_end = &header[i+1]; /* Include space */
- h->seq_header_len = i+1;
- for( tokstart = &header[strlen(Y4M_MAGIC)+1]; tokstart < header_end; tokstart++ )
- {
- if( *tokstart == 0x20 )
- continue;
- switch(*tokstart++)
- {
- case 'W': /* Width. Required. */
- h->width = p_param->i_width = strtol( tokstart, &tokend, 10 );
- tokstart=tokend;
- break;
- case 'H': /* Height. Required. */
- h->height = p_param->i_height = strtol( tokstart, &tokend, 10 );
- tokstart=tokend;
- break;
- case 'C': /* Color space */
- if( strncmp( "420", tokstart, 3 ) )
- {
- fprintf( stderr, "Colorspace unhandledn" );
- return -1;
- }
- tokstart = strchr( tokstart, 0x20 );
- break;
- case 'I': /* Interlace type */
- switch( *tokstart++ )
- {
- case 'p': break;
- case '?':
- case 't':
- case 'b':
- case 'm':
- default:
- fprintf( stderr, "Warning, this sequence might be interlacedn" );
- }
- break;
- case 'F': /* Frame rate - 0:0 if unknown */
- if( sscanf( tokstart, "%d:%d", &n, &d ) == 2 && n && d )
- {
- x264_reduce_fraction( &n, &d );
- p_param->i_fps_num = n;
- p_param->i_fps_den = d;
- }
- tokstart = strchr( tokstart, 0x20 );
- break;
- case 'A': /* Pixel aspect - 0:0 if unknown */
- /* Don't override the aspect ratio if sar has been explicitly set on the commandline. */
- if( sscanf( tokstart, "%d:%d", &n, &d ) == 2 && n && d && !p_param->vui.i_sar_width && !p_param->vui.i_sar_height )
- {
- x264_reduce_fraction( &n, &d );
- p_param->vui.i_sar_width = n;
- p_param->vui.i_sar_height = d;
- }
- tokstart = strchr( tokstart, 0x20 );
- break;
- case 'X': /* Vendor extensions */
- if( !strncmp( "YSCSS=", tokstart, 6 ) )
- {
- /* Older nonstandard pixel format representation */
- tokstart += 6;
- if( strncmp( "420JPEG",tokstart, 7 ) &&
- strncmp( "420MPEG2",tokstart, 8 ) &&
- strncmp( "420PALDV",tokstart, 8 ) )
- {
- fprintf( stderr, "Unsupported extended colorspacen" );
- return -1;
- }
- }
- tokstart = strchr(tokstart, 0x20);
- break;
- }
- }
- fprintf( stderr, "yuv4mpeg: %ix%i@%i/%ifps, %i:%in",
- h->width, h->height, p_param->i_fps_num, p_param->i_fps_den,
- p_param->vui.i_sar_width, p_param->vui.i_sar_height );
- *p_handle = (hnd_t)h;
- return 0;
- }
- /* Most common case: frame_header = "FRAME" */
- int get_frame_total_y4m( hnd_t handle )
- {
- y4m_input_t *h = handle;
- int i_frame_total = 0;
- uint64_t init_pos = ftell(h->fh);
- if( !fseek( h->fh, 0, SEEK_END ) )
- {
- uint64_t i_size = ftell( h->fh );
- fseek( h->fh, init_pos, SEEK_SET );
- i_frame_total = (int)((i_size - h->seq_header_len) /
- (3*(h->width*h->height)/2+h->frame_header_len));
- }
- return i_frame_total;
- }
- int read_frame_y4m( x264_picture_t *p_pic, hnd_t handle, int i_frame )
- {
- int slen = strlen(Y4M_FRAME_MAGIC);
- int i = 0;
- char header[16];
- y4m_input_t *h = handle;
- if( i_frame != h->next_frame )
- {
- if( fseek( h->fh, (uint64_t)i_frame*(3*(h->width*h->height)/2+h->frame_header_len)
- + h->seq_header_len, SEEK_SET ) )
- return -1;
- }
- /* Read frame header - without terminating 'n' */
- if( fread( header, 1, slen, h->fh ) != slen )
- return -1;
- header[slen] = 0;
- if( strncmp( header, Y4M_FRAME_MAGIC, slen ) )
- {
- //配置MS VC环境 --@lia " 前加""
- fprintf( stderr, "Bad header magic (%"PRIx32/" <=> %s)n",
- *((uint32_t*)header), header );
- return -1;
- }
- /* Skip most of it */
- while( i<MAX_FRAME_HEADER && fgetc(h->fh) != 'n' )
- i++;
- if( i == MAX_FRAME_HEADER )
- {
- fprintf( stderr, "Bad frame header!n" );
- return -1;
- }
- h->frame_header_len = i+slen+1;
- if( fread( p_pic->img.plane[0], 1, h->width*h->height, h->fh ) <= 0
- || fread( p_pic->img.plane[1], 1, h->width * h->height / 4, h->fh ) <= 0
- || fread( p_pic->img.plane[2], 1, h->width * h->height / 4, h->fh ) <= 0)
- return -1;
- h->next_frame = i_frame+1;
- return 0;
- }
- int close_file_y4m(hnd_t handle)
- {
- y4m_input_t *h = handle;
- if( !h || !h->fh )
- return 0;
- fclose( h->fh );
- free( h );
- return 0;
- }
- /* avs/avi input file support under cygwin */
- #ifdef AVIS_INPUT
- typedef struct
- {
- PAVISTREAM p_avi;
- int width, height;
- } avis_input_t;
- int open_file_avis( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
- {
- avis_input_t *h = malloc( sizeof(avis_input_t) );
- //C程序不能中间定义变量 --@lia
- AVISTREAMINFO info;
- int i;
- if( !h )
- return -1;
- //C程序不能中间定义变量 --@lia
- //AVISTREAMINFO info;
- //int i;
- *p_handle = (hnd_t)h;
- AVIFileInit();
- if( AVIStreamOpenFromFile( &h->p_avi, psz_filename, streamtypeVIDEO, 0, OF_READ, NULL ) )
- {
- AVIFileExit();
- return -1;
- }
- if( AVIStreamInfo( h->p_avi, &info, sizeof(AVISTREAMINFO) ) )
- {
- AVIStreamRelease(h->p_avi);
- AVIFileExit();
- return -1;
- }
- // check input format
- if( info.fccHandler != MAKEFOURCC('Y', 'V', '1', '2') )
- {
- fprintf( stderr, "avis [error]: unsupported input format (%c%c%c%c)n",
- (char)(info.fccHandler & 0xff), (char)((info.fccHandler >> 8) & 0xff),
- (char)((info.fccHandler >> 16) & 0xff), (char)((info.fccHandler >> 24)) );
- AVIStreamRelease( h->p_avi );
- AVIFileExit();
- return -1;
- }
- h->width =
- p_param->i_width = info.rcFrame.right - info.rcFrame.left;
- h->height =
- p_param->i_height = info.rcFrame.bottom - info.rcFrame.top;
- i = gcd(info.dwRate, info.dwScale);
- p_param->i_fps_den = info.dwScale / i;
- p_param->i_fps_num = info.dwRate / i;
- fprintf( stderr, "avis [info]: %dx%d @ %.2f fps (%d frames)n",
- p_param->i_width, p_param->i_height,
- (double)p_param->i_fps_num / (double)p_param->i_fps_den,
- (int)info.dwLength );
- return 0;
- }
- int get_frame_total_avis( hnd_t handle )
- {
- avis_input_t *h = handle;
- AVISTREAMINFO info;
- if( AVIStreamInfo( h->p_avi, &info, sizeof(AVISTREAMINFO) ) )
- return -1;
- return info.dwLength;
- }
- int read_frame_avis( x264_picture_t *p_pic, hnd_t handle, int i_frame )
- {
- avis_input_t *h = handle;
- p_pic->img.i_csp = X264_CSP_YV12;
- if( AVIStreamRead( h->p_avi, i_frame, 1, p_pic->img.plane[0], h->width * h->height * 3 / 2, NULL, NULL ) )
- return -1;
- return 0;
- }
- int close_file_avis( hnd_t handle )
- {
- avis_input_t *h = handle;
- AVIStreamRelease( h->p_avi );
- AVIFileExit();
- free( h );
- return 0;
- }
- #endif
- #ifdef HAVE_PTHREAD
- typedef struct
- {
- int (*p_read_frame)( x264_picture_t *p_pic, hnd_t handle, int i_frame );
- int (*p_close_infile)( hnd_t handle );
- hnd_t p_handle;
- x264_picture_t pic;
- x264_pthread_t tid;
- int next_frame;
- int frame_total;
- int in_progress;
- struct thread_input_arg_t *next_args;
- } thread_input_t;
- typedef struct thread_input_arg_t
- {
- thread_input_t *h;
- x264_picture_t *pic;
- int i_frame;
- int status;
- } thread_input_arg_t;
- int open_file_thread( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
- {
- thread_input_t *h = malloc( sizeof(thread_input_t) );
- if( !h || x264_picture_alloc( &h->pic, X264_CSP_I420, p_param->i_width, p_param->i_height ) < 0 )
- {
- fprintf( stderr, "x264 [error]: malloc failedn" );
- return -1;
- }
- h->p_read_frame = p_read_frame;
- h->p_close_infile = p_close_infile;
- h->p_handle = *p_handle;
- h->in_progress = 0;
- h->next_frame = -1;
- h->next_args = malloc(sizeof(thread_input_arg_t));
- if( !h->next_args )
- return -1;
- h->next_args->h = h;
- h->next_args->status = 0;
- h->frame_total = p_get_frame_total( h->p_handle );
- *p_handle = (hnd_t)h;
- return 0;
- }
- int get_frame_total_thread( hnd_t handle )
- {
- thread_input_t *h = handle;
- return h->frame_total;
- }
- static void read_frame_thread_int( thread_input_arg_t *i )
- {
- i->status = i->h->p_read_frame( i->pic, i->h->p_handle, i->i_frame );
- }
- int read_frame_thread( x264_picture_t *p_pic, hnd_t handle, int i_frame )
- {
- thread_input_t *h = handle;
- int ret = 0;
- if( h->next_frame >= 0 )
- {
- x264_pthread_join( h->tid, NULL );
- ret |= h->next_args->status;
- h->in_progress = 0;
- }
- if( h->next_frame == i_frame )
- {
- XCHG( x264_picture_t, *p_pic, h->pic );
- }
- else
- {
- ret |= h->p_read_frame( p_pic, h->p_handle, i_frame );
- }
- if( !h->frame_total || i_frame+1 < h->frame_total )
- {
- h->next_frame =
- h->next_args->i_frame = i_frame+1;
- h->next_args->pic = &h->pic;
- if( x264_pthread_create( &h->tid, NULL, (void*)read_frame_thread_int, h->next_args ) )
- return -1;
- h->in_progress = 1;
- }
- else
- h->next_frame = -1;
- return ret;
- }
- int close_file_thread( hnd_t handle )
- {
- thread_input_t *h = handle;
- if( h->in_progress )
- x264_pthread_join( h->tid, NULL );
- h->p_close_infile( h->p_handle );
- x264_picture_clean( &h->pic );
- free( h->next_args );
- free( h );
- return 0;
- }
- #endif
- int open_file_bsf( char *psz_filename, hnd_t *p_handle )
- {
- if( !(*p_handle = fopen(psz_filename, "w+b")) )
- return -1;
- return 0;
- }
- int set_param_bsf( hnd_t handle, x264_param_t *p_param )
- {
- return 0;
- }
- int write_nalu_bsf( hnd_t handle, uint8_t *p_nalu, int i_size )
- {
- if( fwrite( p_nalu, i_size, 1, (FILE*)handle ) > 0 )
- return i_size;
- return -1;
- }
- int set_eop_bsf( hnd_t handle, x264_picture_t *p_picture )
- {
- return 0;
- }
- int close_file_bsf( hnd_t handle )
- {
- if( !handle || handle == stdout )
- return 0;
- return fclose( (FILE*)handle );
- }
- /* -- mp4 muxing support ------------------------------------------------- */
- #ifdef MP4_OUTPUT
- typedef struct
- {
- GF_ISOFile *p_file;
- GF_AVCConfig *p_config;
- GF_ISOSample *p_sample;
- int i_track;
- uint32_t i_descidx;
- int i_time_inc;
- int i_time_res;
- int i_numframe;
- int i_init_delay;
- uint8_t b_sps;
- uint8_t b_pps;
- } mp4_t;
- static void recompute_bitrate_mp4(GF_ISOFile *p_file, int i_track)
- {
- u32 i, count, di, timescale, time_wnd, rate;
- u64 offset;
- Double br;
- GF_ESD *esd;
- esd = gf_isom_get_esd( p_file, i_track, 1 );
- if( !esd )
- return;
- esd->decoderConfig->avgBitrate = 0;
- esd->decoderConfig->maxBitrate = 0;
- rate = time_wnd = 0;
- timescale = gf_isom_get_media_timescale( p_file, i_track );
- count = gf_isom_get_sample_count( p_file, i_track );
- for( i = 0; i < count; i++ )
- {
- GF_ISOSample *samp = gf_isom_get_sample_info( p_file, i_track, i+1, &di, &offset );
- if( samp->dataLength>esd->decoderConfig->bufferSizeDB )
- esd->decoderConfig->bufferSizeDB = samp->dataLength;
- if( esd->decoderConfig->bufferSizeDB < samp->dataLength )
- esd->decoderConfig->bufferSizeDB = samp->dataLength;
- esd->decoderConfig->avgBitrate += samp->dataLength;
- rate += samp->dataLength;
- if( samp->DTS > time_wnd + timescale )
- {
- if( rate > esd->decoderConfig->maxBitrate )
- esd->decoderConfig->maxBitrate = rate;
- time_wnd = samp->DTS;
- rate = 0;
- }
- gf_isom_sample_del( &samp );
- }
- br = (Double)(s64)gf_isom_get_media_duration( p_file, i_track );
- br /= timescale;
- esd->decoderConfig->avgBitrate = (u32)(esd->decoderConfig->avgBitrate / br);
- /*move to bps*/
- esd->decoderConfig->avgBitrate *= 8;
- esd->decoderConfig->maxBitrate *= 8;
- gf_isom_change_mpeg4_description( p_file, i_track, 1, esd );
- gf_odf_desc_del( (GF_Descriptor*)esd );
- }
- int close_file_mp4( hnd_t handle )
- {
- mp4_t *p_mp4 = (mp4_t*)handle;
- if( !p_mp4 )
- return 0;
- if( p_mp4->p_config )
- gf_odf_avc_cfg_del( p_mp4->p_config );
- if( p_mp4->p_sample )
- {
- if( p_mp4->p_sample->data )
- free( p_mp4->p_sample->data );
- gf_isom_sample_del( &p_mp4->p_sample );
- }
- if( p_mp4->p_file )
- {
- recompute_bitrate_mp4( p_mp4->p_file, p_mp4->i_track );
- gf_isom_set_pl_indication( p_mp4->p_file, GF_ISOM_PL_VISUAL, 0x15 );
- gf_isom_set_storage_mode( p_mp4->p_file, GF_ISOM_STORE_FLAT );
- gf_isom_close( p_mp4->p_file );
- }
- free( p_mp4 );
- return 0;
- }
- int open_file_mp4( char *psz_filename, hnd_t *p_handle )
- {
- mp4_t *p_mp4;
- *p_handle = NULL;
- if( !(p_mp4 = malloc(sizeof(mp4_t))) )
- return -1;
- memset( p_mp4, 0, sizeof(mp4_t) );
- p_mp4->p_file = gf_isom_open( psz_filename, GF_ISOM_OPEN_WRITE, NULL );
- if( !(p_mp4->p_sample = gf_isom_sample_new()) )
- {
- close_file_mp4( p_mp4 );
- return -1;
- }
- gf_isom_set_brand_info( p_mp4->p_file, GF_ISOM_BRAND_AVC1, 0 );
- *p_handle = p_mp4;
- return 0;
- }
- int set_param_mp4( hnd_t handle, x264_param_t *p_param )
- {
- mp4_t *p_mp4 = (mp4_t*)handle;
- p_mp4->i_track = gf_isom_new_track( p_mp4->p_file, 0, GF_ISOM_MEDIA_VISUAL,
- p_param->i_fps_num );
- p_mp4->p_config = gf_odf_avc_cfg_new();
- gf_isom_avc_config_new( p_mp4->p_file, p_mp4->i_track, p_mp4->p_config,
- NULL, NULL, &p_mp4->i_descidx );
- gf_isom_set_track_enabled( p_mp4->p_file, p_mp4->i_track, 1 );
- gf_isom_set_visual_info( p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx,
- p_param->i_width, p_param->i_height );
- if( p_param->vui.i_sar_width && p_param->vui.i_sar_height )
- {
- uint64_t dw = p_param->i_width << 16;
- uint64_t dh = p_param->i_height << 16;
- double sar = (double)p_param->vui.i_sar_width / p_param->vui.i_sar_height;
- if( sar > 1.0 )
- dw *= sar ;
- else
- dh /= sar;
- gf_isom_set_track_layout_info( p_mp4->p_file, p_mp4->i_track, dw, dh, 0, 0, 0 );
- }
- p_mp4->p_sample->data = malloc( p_param->i_width * p_param->i_height * 3 / 2 );
- if( !p_mp4->p_sample->data )
- return -1;
- p_mp4->i_time_res = p_param->i_fps_num;
- p_mp4->i_time_inc = p_param->i_fps_den;
- p_mp4->i_init_delay = p_param->i_bframe ? (p_param->b_bframe_pyramid ? 2 : 1) : 0;
- p_mp4->i_init_delay *= p_mp4->i_time_inc;
- fprintf( stderr, "mp4 [info]: initial delay %d (scale %d)n",
- p_mp4->i_init_delay, p_mp4->i_time_res );
- return 0;
- }
- int write_nalu_mp4( hnd_t handle, uint8_t *p_nalu, int i_size )
- {
- mp4_t *p_mp4 = (mp4_t*)handle;
- GF_AVCConfigSlot *p_slot;
- uint8_t type = p_nalu[4] & 0x1f;
- int psize;
- switch( type )
- {
- // sps
- case 0x07:
- if( !p_mp4->b_sps )
- {
- p_mp4->p_config->configurationVersion = 1;
- p_mp4->p_config->AVCProfileIndication = p_nalu[5];
- p_mp4->p_config->profile_compatibility = p_nalu[6];
- p_mp4->p_config->AVCLevelIndication = p_nalu[7];
- p_slot = malloc( sizeof(GF_AVCConfigSlot) );
- if( !p_slot )
- return -1;
- p_slot->size = i_size - 4;
- p_slot->data = malloc( p_slot->size );
- if( !p_slot->data )
- return -1;
- memcpy( p_slot->data, p_nalu + 4, i_size - 4 );
- gf_list_add( p_mp4->p_config->sequenceParameterSets, p_slot );
- p_slot = NULL;
- p_mp4->b_sps = 1;
- }
- break;
- // pps
- case 0x08:
- if( !p_mp4->b_pps )
- {
- p_slot = malloc( sizeof(GF_AVCConfigSlot) );
- if( !p_slot )
- return -1;
- p_slot->size = i_size - 4;
- p_slot->data = malloc( p_slot->size );
- if( !p_slot->data )
- return -1;
- memcpy( p_slot->data, p_nalu + 4, i_size - 4 );
- gf_list_add( p_mp4->p_config->pictureParameterSets, p_slot );
- p_slot = NULL;
- p_mp4->b_pps = 1;
- if( p_mp4->b_sps )
- gf_isom_avc_config_update( p_mp4->p_file, p_mp4->i_track, 1, p_mp4->p_config );
- }
- break;
- // slice, sei
- case 0x1:
- case 0x5:
- case 0x6:
- psize = i_size - 4 ;
- memcpy( p_mp4->p_sample->data + p_mp4->p_sample->dataLength, p_nalu, i_size );
- p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 0] = psize >> 24;
- p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 1] = psize >> 16;
- p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 2] = psize >> 8;
- p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 3] = psize >> 0;
- p_mp4->p_sample->dataLength += i_size;
- break;
- }
- return i_size;
- }
- int set_eop_mp4( hnd_t handle, x264_picture_t *p_picture )
- {
- mp4_t *p_mp4 = (mp4_t*)handle;
- uint64_t dts = (uint64_t)p_mp4->i_numframe * p_mp4->i_time_inc;
- uint64_t pts = (uint64_t)p_picture->i_pts;
- int32_t offset = p_mp4->i_init_delay + pts - dts;
- p_mp4->p_sample->IsRAP = p_picture->i_type == X264_TYPE_IDR ? 1 : 0;
- p_mp4->p_sample->DTS = dts;
- p_mp4->p_sample->CTS_Offset = offset;
- gf_isom_add_sample( p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx, p_mp4->p_sample );
- p_mp4->p_sample->dataLength = 0;
- p_mp4->i_numframe++;
- return 0;
- }
- #endif
- /* -- mkv muxing support ------------------------------------------------- */
- typedef struct
- {
- mk_writer *w;
- uint8_t *sps, *pps;
- int sps_len, pps_len;
- int width, height, d_width, d_height;
- int64_t frame_duration;
- int fps_num;
- int b_header_written;
- char b_writing_frame;
- } mkv_t;
- static int write_header_mkv( mkv_t *p_mkv )
- {
- int ret;
- uint8_t *avcC;
- int avcC_len;
- if( !p_mkv->sps || !p_mkv->pps ||
- !p_mkv->width || !p_mkv->height ||
- !p_mkv->d_width || !p_mkv->d_height )
- return -1;
- avcC_len = 5 + 1 + 2 + p_mkv->sps_len + 1 + 2 + p_mkv->pps_len;
- avcC = malloc( avcC_len );
- if( !avcC )
- return -1;
- avcC[0] = 1;
- avcC[1] = p_mkv->sps[1];
- avcC[2] = p_mkv->sps[2];
- avcC[3] = p_mkv->sps[3];
- avcC[4] = 0xff; // nalu size length is four bytes
- avcC[5] = 0xe1; // one sps
- avcC[6] = p_mkv->sps_len >> 8;
- avcC[7] = p_mkv->sps_len;
- memcpy( avcC+8, p_mkv->sps, p_mkv->sps_len );
- avcC[8+p_mkv->sps_len] = 1; // one pps
- avcC[9+p_mkv->sps_len] = p_mkv->pps_len >> 8;
- avcC[10+p_mkv->sps_len] = p_mkv->pps_len;
- memcpy( avcC+11+p_mkv->sps_len, p_mkv->pps, p_mkv->pps_len );
- ret = mk_writeHeader( p_mkv->w, "x264", "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 );
- free( avcC );
- p_mkv->b_header_written = 1;
- return ret;
- }
- int open_file_mkv( char *psz_filename, hnd_t *p_handle )
- {
- mkv_t *p_mkv;
- *p_handle = NULL;
- p_mkv = malloc( sizeof(*p_mkv) );
- if( !p_mkv )
- return -1;
- memset( p_mkv, 0, sizeof(*p_mkv) );
- p_mkv->w = mk_create_writer( psz_filename );
- if( !p_mkv->w )
- {
- free( p_mkv );
- return -1;
- }
- *p_handle = p_mkv;
- return 0;
- }
- int set_param_mkv( hnd_t handle, x264_param_t *p_param )
- {
- mkv_t *p_mkv = handle;
- int64_t dw, dh;
- if( p_param->i_fps_num > 0 )
- {
- p_mkv->frame_duration = (int64_t)p_param->i_fps_den *
- (int64_t)1000000000 / p_param->i_fps_num;
- p_mkv->fps_num = p_param->i_fps_num;
- }
- else
- {
- p_mkv->frame_duration = 0;
- p_mkv->fps_num = 1;
- }
- p_mkv->width = p_param->i_width;
- p_mkv->height = p_param->i_height;
- if( p_param->vui.i_sar_width && p_param->vui.i_sar_height )
- {
- dw = (int64_t)p_param->i_width * p_param->vui.i_sar_width;
- dh = (int64_t)p_param->i_height * p_param->vui.i_sar_height;
- }
- else
- {
- dw = p_param->i_width;
- dh = p_param->i_height;
- }
- if( dw > 0 && dh > 0 )
- {
- int64_t x = gcd( dw, dh );
- dw /= x;
- dh /= x;
- }
- p_mkv->d_width = (int)dw;
- p_mkv->d_height = (int)dh;
- return 0;
- }
- int write_nalu_mkv( hnd_t handle, uint8_t *p_nalu, int i_size )
- {
- mkv_t *p_mkv = handle;
- uint8_t type = p_nalu[4] & 0x1f;
- uint8_t dsize[4];
- int psize;
- switch( type )
- {
- // sps
- case 0x07:
- if( !p_mkv->sps )
- {
- p_mkv->sps = malloc( i_size - 4 );
- if( !p_mkv->sps )
- return -1;
- p_mkv->sps_len = i_size - 4;
- memcpy( p_mkv->sps, p_nalu + 4, i_size - 4 );
- }
- break;
- // pps
- case 0x08:
- if( !p_mkv->pps )
- {
- p_mkv->pps = malloc( i_size - 4 );
- if( !p_mkv->pps )
- return -1;
- p_mkv->pps_len = i_size - 4;
- memcpy( p_mkv->pps, p_nalu + 4, i_size - 4 );
- }
- break;
- // slice, sei
- case 0x1:
- case 0x5:
- case 0x6:
- if( !p_mkv->b_writing_frame )
- {
- if( mk_start_frame( p_mkv->w ) < 0 )
- return -1;
- p_mkv->b_writing_frame = 1;
- }
- psize = i_size - 4 ;
- dsize[0] = psize >> 24;
- dsize[1] = psize >> 16;
- dsize[2] = psize >> 8;
- dsize[3] = psize;
- if( mk_add_frame_data( p_mkv->w, dsize, 4 ) < 0 ||
- mk_add_frame_data( p_mkv->w, p_nalu + 4, i_size - 4 ) < 0 )
- return -1;
- break;
- default:
- break;
- }
- if( !p_mkv->b_header_written && p_mkv->pps && p_mkv->sps &&
- write_header_mkv( p_mkv ) < 0 )
- return -1;
- return i_size;
- }
- int set_eop_mkv( hnd_t handle, x264_picture_t *p_picture )
- {
- mkv_t *p_mkv = handle;
- int64_t i_stamp = (int64_t)(p_picture->i_pts * 1e9 / p_mkv->fps_num);
- p_mkv->b_writing_frame = 0;
- return mk_set_frame_flags( p_mkv->w, i_stamp, p_picture->i_type == X264_TYPE_IDR );
- }
- int close_file_mkv( hnd_t handle )
- {
- mkv_t *p_mkv = handle;
- int ret;
- if( p_mkv->sps )
- free( p_mkv->sps );
- if( p_mkv->pps )
- free( p_mkv->pps );
- ret = mk_close( p_mkv->w );
- free( p_mkv );
- return ret;
- }