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/* codecs.c */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vdr/plugin.h>
#include "codecs.h"
#include "menu-vdrrip.h"
#include "a-tools.h"
#define MENCCMD "%s %s help 2>/dev/null"
#define VCODECS "lavc, xvid, divx4"
#define ACODECS "lame, copy, ogg-vorbis"
extern const char *MEncoder;
// --- cCodecs ------------------------------------------------------------
cCodecs::cCodecs() {
VCodecs = ACodecs = Containers = NULL;
queryCodecs((char *)VCODECS, (char *)ACODECS);
queryContainers();
}
cCodecs::~cCodecs() {
FREE(VCodecs);
FREE(ACodecs);
FREE(Containers);
}
void cCodecs::queryCodecs(char *v, char *a) {
char *buf = NULL, *cmd = NULL;
size_t i = 0;
int c, c1, nvc, nac;
// get number of codecs
nvc = strnumcol(v, ", ");
nac = strnumcol(a, ", ");
// reserve memory for arrays
VCodecs = (char**)malloc(nvc * sizeof(char*));
ACodecs = (char**)malloc(nac * sizeof(char*));
// read codecs in arryas
for (c = 0; c < nvc; c++) {
VCodecs[c] = strcol(v, ", ", c + 1);
}
for (c = 0; c < nac; c++) {
ACodecs[c] = strcol(a, ", ", c + 1);
}
// detect available video codecs with mencoder,
// move them to the beginning of the array and
// save the number of supported codecs in NumVCodecs
c1 = 0;
NumVCodecs = 0;
asprintf(&cmd, MENCCMD, MEncoder, "-ovc");
FILE *p = popen(cmd, "r");
if (p) {
while (getline(&buf, &i, p) != -1) {
for (c = c1; c < nvc; c++) {
if (strstr(buf, VCodecs[c])) {
// move found video codec to VCodecs[i1]
char *tmp = VCodecs[c1];
VCodecs[c1] = VCodecs[c];
VCodecs[c] = tmp;
c1++;
NumVCodecs++;
}
}
}
}
pclose(p);
FREE(cmd);
// detect available audio codecs with mencoder,
// move them to the beginning of the array and
// save the number of supported codecs in NumACodecs
c1 = 0;
NumACodecs = 0;
asprintf(&cmd, MENCCMD, MEncoder, "-oac");
p = popen(cmd, "r");
if (p) {
while (getline(&buf, &i, p) != -1) {
for (c = c1; c < nac; c++) {
if (strstr(buf, ACodecs[c])) {
// switch found audio codec with ACodecs[i1]
char *tmp = ACodecs[c1];
ACodecs[c1] = ACodecs[c];
ACodecs[c] = tmp;
c1++;
NumACodecs++;
}
}
}
}
pclose(p);
FREE(cmd);
if (VdrripSetup.OggVorbis == 1) {
ACodecs[NumACodecs] = strdup("ogg-vorbis");
NumACodecs++;
}
FREE(buf);
}
void cCodecs::queryContainers() {
NumContainers = 1;
int i = 1;
if (VdrripSetup.Ogm == 1) {NumContainers++;}
if (VdrripSetup.Matroska == 1) {NumContainers++;}
Containers = (char**)malloc(NumContainers * sizeof(char*));
Containers[0] = (char *)"avi";
if (VdrripSetup.Ogm == 1) {
Containers[i] = (char *)"ogm";
i++;}
if (VdrripSetup.Matroska == 1) {Containers[i] = (char *)"matroska";}
}
int cCodecs::getNumVCodecs() {return NumVCodecs;}
int cCodecs::getNumACodecs() {return NumACodecs;}
int cCodecs::getNumContainers() {return NumContainers;}
char **cCodecs::getVCodecs() {return VCodecs;}
char **cCodecs::getACodecs() {return ACodecs;}
char **cCodecs::getContainers() {return Containers;}
char *cCodecs::getVCodec(int i) {return VCodecs[i];}
char *cCodecs::getACodec(int i) {return ACodecs[i];}
char *cCodecs::getContainer(int i) {return Containers[i];}
int cCodecs::getNumVCodec(const char *v) {
int i = 0;
// check if there are video codecs available
if (NumVCodecs == 0) {
dsyslog("[vdrrip] fatal error: no video codec found !");
return -2;
}
while (strcmp(v, VCodecs[i]) != 0) {
i++;
if (i == NumVCodecs) {
dsyslog("[vdrrip] video codec %s not found !", v);
return -1;
}
}
return i;
}
int cCodecs::getNumACodec(const char *a) {
int i = 0;
// check if there are audio codecs available
if (NumACodecs == 0) {
dsyslog("[vdrrip] fatal error: no audio codec found !");
return -2;
}
while (strcmp(a, ACodecs[i]) != 0) {
i++;
if (i == NumACodecs) {
dsyslog("[vdrrip] audio codec %s not found !", a);
return -1;
}
}
return i;
}
int cCodecs::getNumContainer(const char *c) {
int i = 0;
while (strcmp(c, Containers[i]) != 0) {
i++;
if (i == NumContainers) {
dsyslog("[vdrrip] container %s not found !", c);
return -1;
}
}
return i;
}
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