codec-cfg.c

自己移植的linux下的流媒体播放器原代码,支持mms协议,支持ftp和http协议.

		} else if (!strcmp(token[0], "fourcc")) {
			if (get_token(1, 2) < 0)
				goto err_out_parse_error;
			if (!add_to_fourcc(token[0], token[1],
						codec->fourcc,
						codec->fourccmap))
				goto err_out_print_linenum;
		} else if (!strcmp(token[0], "format")) {
			if (get_token(1, 2) < 0)
				goto err_out_parse_error;
			if (!add_to_format(token[0], token[1],
					codec->fourcc,codec->fourccmap))
				goto err_out_print_linenum;
		} else if (!strcmp(token[0], "driver")) {
			if (get_token(1, 1) < 0)
				goto err_out_parse_error;
			if (!(codec->drv = strdup(token[0]))) {
				mp_msg(MSGT_CODECCFG,MSGL_ERR,MSGTR_CantStrdupDriver, strerror(errno));
				goto err_out;
			}
		} else if (!strcmp(token[0], "dll")) {
			if (get_token(1, 1) < 0)
				goto err_out_parse_error;
			if (!(codec->dll = strdup(token[0]))) {
				mp_msg(MSGT_CODECCFG,MSGL_ERR,MSGTR_CantStrdupDLL, strerror(errno));
				goto err_out;
			}
		} else if (!strcmp(token[0], "guid")) {
			if (get_token(11, 11) < 0)
				goto err_out_parse_error;
                        codec->guid.f1=strtoul(token[0],&endptr,0);
			if ((*endptr != ',' || *(endptr + 1) != '\0') &&
					*endptr != '\0')
				goto err_out_parse_error;
                        codec->guid.f2=strtoul(token[1],&endptr,0);
			if ((*endptr != ',' || *(endptr + 1) != '\0') &&
					*endptr != '\0')
				goto err_out_parse_error;
                        codec->guid.f3=strtoul(token[2],&endptr,0);
			if ((*endptr != ',' || *(endptr + 1) != '\0') &&
					*endptr != '\0')
				goto err_out_parse_error;
			for (i = 0; i < 8; i++) {
                            codec->guid.f4[i]=strtoul(token[i + 3],&endptr,0);
				if ((*endptr != ',' || *(endptr + 1) != '\0') &&
						*endptr != '\0')
					goto err_out_parse_error;
			}
		} else if (!strcmp(token[0], "out")) {
			if (get_token(1, 2) < 0)
				goto err_out_parse_error;
			if (!add_to_inout(token[0], token[1], codec->outfmt,
						codec->outflags))
				goto err_out_print_linenum;
		} else if (!strcmp(token[0], "in")) {
			if (get_token(1, 2) < 0)
				goto err_out_parse_error;
			if (!add_to_inout(token[0], token[1], codec->infmt,
						codec->inflags))
				goto err_out_print_linenum;
		} else if (!strcmp(token[0], "flags")) {
			if (get_token(1, 1) < 0)
				goto err_out_parse_error;
			if (!strcmp(token[0], "seekable"))
				codec->flags |= CODECS_FLAG_SEEKABLE;
			else
			if (!strcmp(token[0], "align16"))
				codec->flags |= CODECS_FLAG_ALIGN16;
			else
				goto err_out_parse_error;
		} else if (!strcmp(token[0], "status")) {
			if (get_token(1, 1) < 0)
				goto err_out_parse_error;
			if (!strcasecmp(token[0], "working"))
				codec->status = CODECS_STATUS_WORKING;
			else if (!strcasecmp(token[0], "crashing"))
				codec->status = CODECS_STATUS_NOT_WORKING;
			else if (!strcasecmp(token[0], "untested"))
				codec->status = CODECS_STATUS_UNTESTED;
			else if (!strcasecmp(token[0], "buggy"))
				codec->status = CODECS_STATUS_PROBLEMS;
			else
				goto err_out_parse_error;
		} else if (!strcmp(token[0], "cpuflags")) {
			if (get_token(1, 1) < 0)
				goto err_out_parse_error;
			if (!(codec->cpuflags = get_cpuflags(token[0])))
				goto err_out_parse_error;
		} else
			goto err_out_parse_error;
	}
	if (!validate_codec(codec, codec_type))
		goto err_out_not_valid;
	mp_msg(MSGT_CODECCFG,MSGL_INFO,MSGTR_AudioVideoCodecTotals, nr_acodecs, nr_vcodecs);
	if(video_codecs) video_codecs[nr_vcodecs].name = NULL;
	if(audio_codecs) audio_codecs[nr_acodecs].name = NULL;
out:
	free(line);
	line=NULL;
	fclose(fp);
	return 1;

err_out_parse_error:
	mp_msg(MSGT_CODECCFG,MSGL_ERR,MSGTR_ParseError);
err_out_print_linenum:
	PRINT_LINENUM;
err_out:
	codecs_uninit_free();

	free(line);
	line=NULL;
	line_num = 0;
	fclose(fp);
	return 0;
err_out_not_valid:
	mp_msg(MSGT_CODECCFG,MSGL_ERR,MSGTR_CodecDefinitionIncorrect);
	goto err_out_print_linenum;
err_out_release_num:
	mp_msg(MSGT_CODECCFG,MSGL_ERR,MSGTR_OutdatedCodecsConf);
	goto err_out_print_linenum;
}

static void codecs_free(codecs_t* codecs,int count) {
	int i;
		for ( i = 0; i < count; i++)
			if ( (codecs[i]).name ) {
				if( (codecs[i]).name )
					free((codecs[i]).name);
				if( (codecs[i]).info )
					free((codecs[i]).info);
				if( (codecs[i]).comment )
					free((codecs[i]).comment);
				if( (codecs[i]).dll )
					free((codecs[i]).dll);
				if( (codecs[i]).drv )
					free((codecs[i]).drv);
			}
		if (codecs)
			free(codecs);
}

void codecs_uninit_free() {
	if (video_codecs)
	codecs_free(video_codecs,nr_vcodecs);
	video_codecs=NULL;
	if (audio_codecs)
	codecs_free(audio_codecs,nr_acodecs);
	audio_codecs=NULL;
}

codecs_t *find_audio_codec(unsigned int fourcc, unsigned int *fourccmap,
		codecs_t *start)
{
	return find_codec(fourcc, fourccmap, start, 1);
}

codecs_t *find_video_codec(unsigned int fourcc, unsigned int *fourccmap,
		codecs_t *start)
{
	return find_codec(fourcc, fourccmap, start, 0);
}

codecs_t* find_codec(unsigned int fourcc,unsigned int *fourccmap,
		codecs_t *start, int audioflag)
{
	int i, j;
	codecs_t *c;

#if 0
	if (start) {
		for (/* NOTHING */; start->name; start++) {
			for (j = 0; j < CODECS_MAX_FOURCC; j++) {
				if (start->fourcc[j] == fourcc) {
					if (fourccmap)
						*fourccmap = start->fourccmap[j];
					return start;
				}
			}
		}
	} else 
#endif
        {
		if (audioflag) {
			i = nr_acodecs;
			c = audio_codecs;
		} else {
			i = nr_vcodecs;
			c = video_codecs;
		}
		if(!i) return NULL;
		for (/* NOTHING */; i--; c++) {
                        if(start && c<=start) continue;
			for (j = 0; j < CODECS_MAX_FOURCC; j++) {
				// FIXME: do NOT hardwire 'null' name here:
				if (c->fourcc[j]==fourcc || !strcmp(c->drv,"null")) {
					if (fourccmap)
						*fourccmap = c->fourccmap[j];
					return c;
				}
			}
		}
	}
	return NULL;
}

void select_codec(char* codecname,int audioflag){
	int i;
	codecs_t *c;
//	printf("select_codec('%s')\n",codecname);
	if (audioflag) {
		i = nr_acodecs;
		c = audio_codecs;
	} else {
		i = nr_vcodecs;
		c = video_codecs;
	}
	if(i)
	for (/* NOTHING */; i--; c++)
	    if(!strcmp(c->name,codecname))
		c->flags|=CODECS_FLAG_SELECTED;
}

void codecs_reset_selection(int audioflag){
	int i;
	codecs_t *c;
	if (audioflag) {
		i = nr_acodecs;
		c = audio_codecs;
	} else {
		i = nr_vcodecs;
		c = video_codecs;
	}
	if(i)
	for (/* NOTHING */; i--; c++)
		c->flags&=(~CODECS_FLAG_SELECTED);
}

void list_codecs(int audioflag){
	int i;
	codecs_t *c;

		if (audioflag) {
			i = nr_acodecs;
			c = audio_codecs;
			mp_msg(MSGT_CODECCFG,MSGL_INFO,"ac:         afm:      status:   info:  [lib/dll]\n");
		} else {
			i = nr_vcodecs;
			c = video_codecs;
			mp_msg(MSGT_CODECCFG,MSGL_INFO,"vc:         vfm:      status:   info:  [lib/dll]\n");
		}
		if(!i) return;
		for (/* NOTHING */; i--; c++) {
			char* s="unknown ";
			switch(c->status){
			  case CODECS_STATUS_WORKING:     s="working ";break;
			  case CODECS_STATUS_PROBLEMS:    s="problems";break;
			  case CODECS_STATUS_NOT_WORKING: s="crashing";break;
			  case CODECS_STATUS_UNTESTED:    s="untested";break;
			}
			if(c->dll)
			  mp_msg(MSGT_CODECCFG,MSGL_INFO,"%-11s %-9s %s  %s  [%s]\n",c->name,c->drv,s,c->info,c->dll);
			else
			  mp_msg(MSGT_CODECCFG,MSGL_INFO,"%-11s %-9s %s  %s\n",c->name,c->drv,s,c->info);
			
		}

}



#ifdef CODECS2HTML
/*
 * Fake out GUI references when building the codecs2html utility.
 */
#ifdef HAVE_NEW_GUI
void gtkMessageBox( int type,char * str ) { return; }
int use_gui = 0;
#endif

void wrapline(FILE *f2,char *s){
    int c;
    if(!s){
        fprintf(f2,"-");
        return;
    }
    while((c=*s++)){
        if(c==',') fprintf(f2,"<br>"); else fputc(c,f2);
    }
}

void parsehtml(FILE *f1,FILE *f2,codecs_t *codec,int section,int dshow){
        int c,d;
        while((c=fgetc(f1))>=0){
            if(c!='%'){
                fputc(c,f2);
                continue;
            }
            d=fgetc(f1);
            
            switch(d){
            case '.':
                return; // end of section
            case 'n':
                wrapline(f2,codec->name); break;
            case 'i':
                wrapline(f2,codec->info); break;
            case 'c':
                wrapline(f2,codec->comment); break;
            case 'd':
                wrapline(f2,codec->dll); break;
            case 'D':
                fprintf(f2,"%c",!strcmp(codec->drv,"dshow")?'+':'-'); break;
            case 'F':
                for(d=0;d<CODECS_MAX_FOURCC;d++)
                    if(!d || codec->fourcc[d]!=0xFFFFFFFF)
                        fprintf(f2,"%s%.4s",d?"<br>":"",(codec->fourcc[d]==0xFFFFFFFF || codec->fourcc[d]<0x20202020)?!d?"-":"":(char*) &codec->fourcc[d]);
                break;
            case 'f':
                for(d=0;d<CODECS_MAX_FOURCC;d++)
                    if(codec->fourcc[d]!=0xFFFFFFFF)
                        fprintf(f2,"%s0x%X",d?"<br>":"",codec->fourcc[d]);
                break;
            case 'Y':
                for(d=0;d<CODECS_MAX_OUTFMT;d++)
                    if(codec->outfmt[d]!=0xFFFFFFFF){
		        for (c=0; fmt_table[c].name; c++)
                            if(fmt_table[c].num==codec->outfmt[d]) break;
                        if(fmt_table[c].name)
                            fprintf(f2,"%s%s",d?"<br>":"",fmt_table[c].name);
                    }
                break;
            default:
                fputc(c,f2);
                fputc(d,f2);
            }
        }

}

void skiphtml(FILE *f1){
        int c,d;
        while((c=fgetc(f1))>=0){
            if(c!='%'){
                continue;
            }
            d=fgetc(f1);
            if(d=='.') return; // end of section
        }
}

static void print_int_array(const int* a, int size)
{
	printf("{ ");
	while (size--)
	    if(abs(*a)<256)
		printf("%d%s", *a++, size?", ":"");
	    else
		printf("0x%X%s", *a++, size?", ":"");
	printf(" }");
}

static void print_char_array(const unsigned char* a, int size)
{
	printf("{ ");
	while (size--) 
	    if((*a)<10)
		printf("%d%s", *a++, size?", ":"");
	    else
		printf("0x%02x%s", *a++, size?", ":"");
	printf(" }");
}

static void print_string(const char* s)
{
	if (!s) printf("NULL");
	else printf("\"%s\"", s);
}

int main(int argc, char* argv[])
{
	codecs_t *cl;
        FILE *f1;
        FILE *f2;
        int c,d,i;
        int pos;
        int section=-1;
        int nr_codecs;
        int win32=-1;
        int dshow=-1;
        int win32ex=-1;

	/*
	 * Take path to codecs.conf from command line, or fall back on
	 * etc/codecs.conf
	 */
	if (!(nr_codecs = parse_codec_cfg((argc>1)?argv[1]:"etc/codecs.conf")))
		exit(1);

	if (argc > 1) {
		int i, j;
		const char* nm[2];
		codecs_t* cod[2];
		int nr[2];

		nm[0] = "builtin_video_codecs";
		cod[0] = video_codecs;
		nr[0] = nr_vcodecs;
		
		nm[1] = "builtin_audio_codecs";
		cod[1] = audio_codecs;
		nr[1] = nr_acodecs;
		
		printf("/* GENERATED FROM %s, DO NOT EDIT! */\n\n",argv[1]);
		
		for (i=0; i<2; i++) {
		  	printf("codecs_t %s[] = {\n", nm[i]);
			for (j = 0; j < nr[i]; j++) {
			  	printf("{");

				print_int_array(cod[i][j].fourcc, CODECS_MAX_FOURCC);
				printf(", /* fourcc */\n");
				
				print_int_array(cod[i][j].fourccmap, CODECS_MAX_FOURCC);
				printf(", /* fourccmap */\n");
				
				print_int_array(cod[i][j].outfmt, CODECS_MAX_OUTFMT);
				printf(", /* outfmt */\n");
				
				print_char_array(cod[i][j].outflags, CODECS_MAX_OUTFMT);
				printf(", /* outflags */\n");
				
				print_int_array(cod[i][j].infmt, CODECS_MAX_INFMT);
				printf(", /* infmt */\n");
				
				print_char_array(cod[i][j].inflags, CODECS_MAX_INFMT);
				printf(", /* inflags */\n");
				
				print_string(cod[i][j].name);    printf(", /* name */\n");
				print_string(cod[i][j].info);    printf(", /* info */\n");
				print_string(cod[i][j].comment); printf(", /* comment */\n");
				print_string(cod[i][j].dll);     printf(", /* dll */\n");
				print_string(cod[i][j].drv);     printf(", /* drv */\n");
				
				printf("{ 0x%08lx, %hu, %hu,",
				       cod[i][j].guid.f1,
				       cod[i][j].guid.f2,
				       cod[i][j].guid.f3);
				print_char_array(cod[i][j].guid.f4, sizeof(cod[i][j].guid.f4));
				printf(" }, /* GUID */\n");
				printf("%hd /* flags */, %hd /* status */, %hd /* cpuflags */ }\n",
				       cod[i][j].flags,
				       cod[i][j].status,
				       cod[i][j].cpuflags);
				if (j < nr[i]) printf(",\n");
			}
			printf("};\n\n");
		}
		exit(0);
	}

        f1=fopen("DOCS/tech/codecs-in.html","rb"); if(!f1) exit(1);
        f2=fopen("DOCS/en/codecs-status.html","wb"); if(!f2) exit(1);
        
        while((c=fgetc(f1))>=0){
            if(c!='%'){
                fputc(c,f2);
                continue;
            }
            d=fgetc(f1);
            if(d>='0' && d<='9'){
                // begin section
                section=d-'0';
                printf("BEGIN %d\n",section);
                if(section>=5){
                    // audio
		    cl = audio_codecs;
		    nr_codecs = nr_acodecs;
                    dshow=7;win32=4;
                } else {
                    // video
		    cl = video_codecs;
		    nr_codecs = nr_vcodecs;
                    dshow=4;win32=2;win32ex=6;
                }
                pos=ftell(f1);
                for(i=0;i<nr_codecs;i++){
                    fseek(f1,pos,SEEK_SET);
                    switch(section){
                    case 0:
                    case 5:
                        if(cl[i].status==CODECS_STATUS_WORKING)
//                            if(!(!strcmp(cl[i].drv,"vfw") || !strcmp(cl[i].drv,"dshow") || !strcmp(cl[i].drv,"vfwex") || !strcmp(cl[i].drv,"acm")))
                                parsehtml(f1,f2,&cl[i],section,dshow);
                        break;
#if 0
                    case 1:
                    case 6:
                        if(cl[i].status==CODECS_STATUS_WORKING)
                            if((!strcmp(cl[i].drv,"vfw") || !strcmp(cl[i].drv,"dshow") || !strcmp(cl[i].drv,"vfwex") || !strcmp(cl[i].drv,"acm")))
                                parsehtml(f1,f2,&cl[i],section,dshow);
                        break;
#endif
                    case 2:
                    case 7:
                        if(cl[i].status==CODECS_STATUS_PROBLEMS)
                            parsehtml(f1,f2,&cl[i],section,dshow);
                        break;
                    case 3:
                    case 8:
                        if(cl[i].status==CODECS_STATUS_NOT_WORKING)
                            parsehtml(f1,f2,&cl[i],section,dshow);
                        break;
                    case 4:
                    case 9:
                        if(cl[i].status==CODECS_STATUS_UNTESTED)
                            parsehtml(f1,f2,&cl[i],section,dshow);
                        break;
                    default:
                        printf("Warning! unimplemented section: %d\n",section);
                    }
                }
                fseek(f1,pos,SEEK_SET);
                skiphtml(f1);
//void parsehtml(FILE *f1,FILE *f2,codecs_t *codec,int section,int dshow){
                
                continue;
            }
            fputc(c,f2);
            fputc(d,f2);
        }
        
        fclose(f2);
        fclose(f1);
	return 0;
}

#endif

#ifdef TESTING
int main(void)
{
	codecs_t *c;
        int i,j, nr_codecs, state;

	if (!(parse_codec_cfg("etc/codecs.conf")))
		return 0;
	if (!video_codecs)
		printf("no videoconfig.\n");
	if (!audio_codecs)
		printf("no audioconfig.\n");

	printf("videocodecs:\n");
	c = video_codecs;
	nr_codecs = nr_vcodecs;
	state = 0;
next:
	if (c) {
		printf("number of %scodecs: %d\n", state==0?"video":"audio",
		    nr_codecs);
		for(i=0;i<nr_codecs;i++, c++){
		    printf("\n============== %scodec %02d ===============\n",
			state==0?"video":"audio",i);
		    printf("name='%s'\n",c->name);
		    printf("info='%s'\n",c->info);
		    printf("comment='%s'\n",c->comment);
		    printf("dll='%s'\n",c->dll);
		    printf("flags=%X  driver=%d status=%d cpuflags=%d\n",
				    c->flags, c->driver, c->status, c->cpuflags);

		    for(j=0;j<CODECS_MAX_FOURCC;j++){
		      if(c->fourcc[j]!=0xFFFFFFFF){
			  printf("fourcc %02d:  %08X (%.4s) ===> %08X (%.4s)\n",j,c->fourcc[j],(char *) &c->fourcc[j],c->fourccmap[j],(char *) &c->fourccmap[j]);
		      }
		    }

		    for(j=0;j<CODECS_MAX_OUTFMT;j++){
		      if(c->outfmt[j]!=0xFFFFFFFF){
			  printf("outfmt %02d:  %08X (%.4s)  flags: %d\n",j,c->outfmt[j],(char *) &c->outfmt[j],c->outflags[j]);
		      }
		    }

		    for(j=0;j<CODECS_MAX_INFMT;j++){
		      if(c->infmt[j]!=0xFFFFFFFF){
			  printf("infmt %02d:  %08X (%.4s)  flags: %d\n",j,c->infmt[j],(char *) &c->infmt[j],c->inflags[j]);
		      }
		    }

		    printf("GUID: %08lX %04X %04X",c->guid.f1,c->guid.f2,c->guid.f3);
		    for(j=0;j<8;j++) printf(" %02X",c->guid.f4[j]);
		    printf("\n");

		    
		}
	}
	if (!state) {
		printf("audiocodecs:\n");
		c = audio_codecs;
		nr_codecs = nr_acodecs;
		state = 1;
		goto next;
	}
	return 0;
}

#endif