int AvxContext::OutputAudio() {
FILE *sink;
void *writeBuffer = NULL;
sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
if (launchMPlayer) {
char command[1024];
if (MPlayerCommandAudio(command))
return -1;
AVXLOG_INFO("MPlayer command line: %s", command);
sink = popen(command, "w");
if (!sink) {
AVXLOG_ERROR("%s", "Error starting mplayer");
return -1;
}
} else {
sink = stdout;
}
#define AUDIO_SAMPLES 1000
try {
writeBuffer = malloc(vi.BytesPerAudioSample() * AUDIO_SAMPLES);
if (!writeBuffer) {
AVXLOG_ERROR("%s", "Unable to allocate memory");
goto fail;
}
for (__int64 i = 0; i < vi.num_audio_samples; i += AUDIO_SAMPLES) {
if (launchMPlayer && (feof(sink) || ferror(sink))) {
AVXLOG_ERROR("%s", "mplayer process exited");
break;
}
int read_samples;
if (vi.num_audio_samples - AUDIO_SAMPLES < i)
read_samples = vi.num_audio_samples - i;
else
read_samples = AUDIO_SAMPLES;
clip->GetAudio(writeBuffer, i, read_samples, avx_library.env);
fwrite(writeBuffer, vi.BytesPerAudioSample(), read_samples, sink);
}
} catch (AvisynthError &e) {
AVXLOG_ERROR("AvisynthError: %s", e.msg);
goto fail;
}
#undef AUDIO_SAMPLES
free(writeBuffer);
if (launchMPlayer)
pclose(sink);
signal(SIGPIPE, old_sigpipe);
return 0;
fail:
if (writeBuffer)
free(writeBuffer);
if (launchMPlayer)
pclose(sink);
signal(SIGPIPE, old_sigpipe);
return -1;
}
ConditionalReader::ConditionalReader(PClip _child, const char* filename, const char _varname[], bool _show, IScriptEnvironment* env) :
GenericVideoFilter(_child), show(_show), variableName(_varname)
{
FILE * f;
char *line;
int lines;
if ((f = fopen(filename, "rb")) == NULL)
env->ThrowError("ConditionalReader: Could not open file '%s'.", filename);
lines = 0;
mode = MODE_UNKNOWN;
while ((line = readline(f)) != NULL) {
char *ptr;
int fields;
lines++;
/* We skip spaces */
ptr = skipspaces(line);
/* Skip coment lines or empty lines */
if(iscomment(ptr) || *ptr == '\0') {
free(line);
continue;
}
if (mode == MODE_UNKNOWN) {
// We have not recieved a mode - We expect type.
char keyword [1024];
char type [1024];
fields = sscanf(ptr,"%1023s %1023s", keyword, type);
if (fields) {
if (!strcasecmp((const char*)keyword, "type")) {
if (!strcasecmp((const char*)type, "int")) {
mode = MODE_INT;
intVal = new int[vi.num_frames];
} else if (!strcasecmp((const char*)type, "float")) {
mode = MODE_FLOAT;
floatVal = new float[vi.num_frames];
} else if (!strcasecmp((const char*)type, "bool")) {
mode = MODE_BOOL;
boolVal = new bool[vi.num_frames];
} else {
ThrowLine("ConditionalReader: Unknown 'type' specified in line %d", lines, env);
}// end if compare type
}// end if compare keyword
}// end if fields
} else { // We have a defined mode and allocated the values.
char keyword [1024];
char type [1024];
fields = sscanf(ptr,"%1023s %1023s", keyword, type);
if (!strcasecmp((const char*)keyword, "default")) {
AVSValue def = ConvertType((const char*)type, lines, env);
SetRange(0, vi.num_frames-1, def);
free(line);
continue;
} // end if "default"
if (ptr[0] == 'R' || ptr[0] == 'r') { // Range
ptr++;
ptr = skipspaces(ptr);
int start;
int stop;
char value [64];
fields = sscanf(ptr, "%d %d %63s", &start, &stop, value);
if (fields != 3)
ThrowLine("ConditionalReader: Could not read range in line %d", lines, env);
if (start > stop)
ThrowLine("ConditionalReader: The start frame is after the end frame in line %d", lines, env);
AVSValue set = ConvertType((const char*)value, lines, env);
SetRange(start, stop, set);
} else if (ptr[0] == 'I' || ptr[0] == 'i') { // Interpolate
if (mode == MODE_BOOL)
ThrowLine("ConditionalReader: Cannot interpolate booleans in line %d", lines, env);
ptr++;
ptr = skipspaces(ptr);
int start;
int stop;
char start_value [64];
char stop_value [64];
fields = sscanf(ptr, "%d %d %63s %63s", &start, &stop, start_value, stop_value);
if (fields != 4)
ThrowLine("ConditionalReader: Could not read interpolation range in line %d", lines, env);
if (start > stop)
ThrowLine("ConditionalReader: The start frame is after the end frame in line %d", lines, env);
AVSValue set_start = ConvertType((const char*)start_value, lines, env);
AVSValue set_stop = ConvertType((const char*)stop_value, lines, env);
int range = stop-start;
double diff = set_stop.AsFloat() - set_start.AsFloat();
for (int i = 0; i<=range; i++) {
double where = (double)(i)/(double)range;
double n = where * diff + set_start.AsFloat();
SetFrame(i+start, (mode == MODE_FLOAT)
? AVSValue(n)
: AVSValue((int) n));
}
} else {
char value [64];
int cframe;
fields = sscanf(ptr, "%d %63s", &cframe, value);
if (fields == 2) {
AVSValue set = ConvertType((const char*)value, lines, env);
SetFrame(cframe, set);
} else {
AVXLOG_INFO("ConditionalReader: Ignored line %d.\n", lines);
}
}
} // End we have defined type
free(line);
}// end while still some file left to read.
/* We are done with the file */
fclose(f);
if (mode == MODE_UNKNOWN)
env->ThrowError("ConditionalReader: Mode was not defined!");
}
int AvxContext::OutputVideo() {
FILE *sink;
unsigned char *writeBuffer = NULL;
sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
if (launchMPlayer) {
char command[1024];
if (MPlayerCommandVideo(command))
return -1;
AVXLOG_INFO("MPlayer command line: %s", command);
sink = popen(command, "w");
if (!sink) {
AVXLOG_ERROR("%s", "Error starting mplayer");
return -1;
}
} else {
sink = stdout;
}
writeBuffer = (unsigned char *)malloc(vi.RowSize() * vi.height);
if (!writeBuffer) {
AVXLOG_ERROR("%s", "Unable to allocate memory");
goto fail;
}
try {
for (int i = 0; i < vi.num_frames; ++i) {
if (launchMPlayer && (feof(sink) || ferror(sink))) {
AVXLOG_ERROR("%s", "mplayer process exited");
break;
}
PVideoFrame frame = clip->GetFrame(i, avx_library.env);
if (vi.IsPlanar()) { // Check plane count in 2.6.
int planes[] = {PLANAR_Y, PLANAR_V, PLANAR_U};
for (int j = 0; j < 3; ++j) {
int plane = planes[j];
int src_pitch = frame->GetPitch(plane);
int row_size = frame->GetRowSize(plane);
int height = frame->GetHeight(plane);
const unsigned char *srcp = frame->GetReadPtr(plane);
avx_library.env->BitBlt(writeBuffer, row_size, srcp, src_pitch, row_size, height);
fwrite(writeBuffer, 1, row_size * height, sink);
}
} else {
int src_pitch = frame->GetPitch();
int row_size = frame->GetRowSize();
int height = frame->GetHeight();
const unsigned char *srcp = frame->GetReadPtr();
avx_library.env->BitBlt(writeBuffer, row_size, srcp, src_pitch, row_size, height);
fwrite(writeBuffer, 1, row_size * height, sink);
}
}
} catch (AvisynthError &e) {
AVXLOG_ERROR("AvisynthError: %s", e.msg);
goto fail;
}
free(writeBuffer);
if (launchMPlayer)
pclose(sink);
signal(SIGPIPE, old_sigpipe);
return 0;
fail:
if (writeBuffer)
free(writeBuffer);
if (launchMPlayer)
pclose(sink);
signal(SIGPIPE, old_sigpipe);
return -1;
};
