bool printVersion() {
if (!vsscript_init()) {
fprintf(stderr, "Failed to initialize VapourSynth environment\n");
return false;
}
vsapi = vsscript_getVSApi();
if (!vsapi) {
fprintf(stderr, "Failed to get VapourSynth API pointer\n");
vsscript_finalize();
return false;
}
VSCore *core = vsapi->createCore(1);
if (!core) {
fprintf(stderr, "Failed to create core\n");
vsscript_finalize();
return false;
}
const VSCoreInfo *info = vsapi->getCoreInfo(core);
printf("%s", info->versionString);
vsapi->freeCore(core);
vsscript_finalize();
return true;
}
static int drv_vss_load_core(struct vf_instance *vf)
{
struct vf_priv_s *p = vf->priv;
// First load an empty script to get a VSScript, so that we get the vsapi
// and vscore.
if (vsscript_createScript(&p->se))
return -1;
p->vsapi = vsscript_getVSApi();
p->vscore = vsscript_getCore(p->se);
return 0;
}
int wmain(int argc, wchar_t **argv) {
if (_setmode(_fileno(stdout), _O_BINARY) == -1)
fprintf(stderr, "Failed to set stdout to binary mode\n");
SetConsoleCtrlHandler(HandlerRoutine, TRUE);
#else
int main(int argc, char **argv) {
#endif
if (argc == 2) {
if (nstring(argv[1]) == NSTRING("-version")) {
if (!vsscript_init()) {
fprintf(stderr, "Failed to initialize VapourSynth environment\n");
return 1;
}
vsapi = vsscript_getVSApi();
if (!vsapi) {
fprintf(stderr, "Failed to get VapourSynth API pointer\n");
vsscript_finalize();
return 1;
}
VSCore *core = vsapi->createCore(0);
if (!core) {
fprintf(stderr, "Failed to create core\n");
vsscript_finalize();
return 1;
}
const VSCoreInfo *info = vsapi->getCoreInfo(core);
printf("%s", info->versionString);
vsapi->freeCore(core);
return 0;
}
}
if (argc < 3) {
fprintf(stderr, "VSPipe usage:\n");
fprintf(stderr, "Show version info: vspipe -version\n");
fprintf(stderr, "Show script info: vspipe script.vpy - -info\n");
fprintf(stderr, "Write to stdout: vspipe script.vpy - [options]\n");
fprintf(stderr, "Write to file: vspipe script.vpy <outFile> [options]\n");
fprintf(stderr, "Available options:\n");
fprintf(stderr, "Select output index: -index N\n");
fprintf(stderr, "Set number of concurrent frame requests: -requests N\n");
fprintf(stderr, "Add YUV4MPEG headers: -y4m\n");
fprintf(stderr, "Print progress to stderr: -progress\n");
fprintf(stderr, "Show video info: -info (overrides other options)\n");
return 1;
}
nstring outputFilename = argv[2];
if (outputFilename == NSTRING("-")) {
outFile = stdout;
} else {
#ifdef VS_TARGET_OS_WINDOWS
outFile = _wfopen(outputFilename.c_str(), L"wb");
#else
outFile = fopen(outputFilename.c_str(), "wb");
#endif
if (!outFile) {
fprintf(stderr, "Failed to open output for writing\n");
return 1;
}
}
for (int arg = 3; arg < argc; arg++) {
nstring argString = argv[arg];
if (argString == NSTRING("-y4m")) {
y4m = true;
} else if (argString == NSTRING("-info")) {
showInfo = true;
} else if (argString == NSTRING("-index")) {
bool ok = false;
if (argc <= arg + 1) {
fprintf(stderr, "No index number specified\n");
return 1;
}
if (!nstringToInt(argv[arg + 1], outputIndex)) {
fprintf(stderr, "Couldn't convert %s to an integer\n", nstringToUtf8(argv[arg + 1]).c_str());
return 1;
}
arg++;
} else if (argString == NSTRING("-requests")) {
bool ok = false;
if (argc <= arg + 1) {
fprintf(stderr, "No request number specified\n");
return 1;
}
if (!nstringToInt(argv[arg + 1], requests)) {
fprintf(stderr, "Couldn't convert %s to an integer\n", nstringToUtf8(argv[arg + 1]).c_str());
return 1;
}
arg++;
} else if (argString == NSTRING("-progress")) {
printFrameNumber = true;
} else {
fprintf(stderr, "Unknown argument: %s\n", nstringToUtf8(argString).c_str());
return 1;
}
}
if (!vsscript_init()) {
fprintf(stderr, "Failed to initialize VapourSynth environment\n");
return 1;
}
vsapi = vsscript_getVSApi();
if (!vsapi) {
fprintf(stderr, "Failed to get VapourSynth API pointer\n");
vsscript_finalize();
return 1;
}
std::chrono::time_point<std::chrono::high_resolution_clock> start(std::chrono::high_resolution_clock::now());
if (vsscript_evaluateFile(&se, nstringToUtf8(argv[1]).c_str(), efSetWorkingDir)) {
fprintf(stderr, "Script evaluation failed:\n%s\n", vsscript_getError(se));
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
node = vsscript_getOutput(se, outputIndex);
if (!node) {
fprintf(stderr, "Failed to retrieve output node. Invalid index specified?\n");
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
bool error = false;
const VSVideoInfo *vi = vsapi->getVideoInfo(node);
if (showInfo) {
fprintf(outFile, "Width: %d\n", vi->width);
fprintf(outFile, "Height: %d\n", vi->height);
fprintf(outFile, "Frames: %d\n", vi->numFrames);
fprintf(outFile, "FPS: %" PRId64 "/%" PRId64 "\n", vi->fpsNum, vi->fpsDen);
if (vi->format) {
fprintf(outFile, "Format Name: %s\n", vi->format->name);
fprintf(outFile, "Color Family: %s\n", colorFamilyToString(vi->format->colorFamily));
fprintf(outFile, "Bits: %d\n", vi->format->bitsPerSample);
fprintf(outFile, "SubSampling W: %d\n", vi->format->subSamplingW);
fprintf(outFile, "SubSampling H: %d\n", vi->format->subSamplingH);
} else {
fprintf(outFile, "Format Name: Variable\n");
}
} else {
if (!isConstantFormat(vi) || vi->numFrames == 0) {
fprintf(stderr, "Cannot output clips with varying dimensions or unknown length\n");
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
lastFpsReportTime = std::chrono::high_resolution_clock::now();
error = outputNode();
}
fflush(outFile);
std::chrono::time_point<std::chrono::high_resolution_clock> end(std::chrono::high_resolution_clock::now());
std::chrono::duration<double> elapsedSeconds = end - start;
fprintf(stderr, "Output %d frames in %.2f seconds (%.2f fps)\n", outputFrames, elapsedSeconds.count(), outputFrames / elapsedSeconds.count());
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
return error;
}
static void VS_CC infiltInit(VSMap *in, VSMap *out, void **instanceData,
VSNode *node, VSCore *core, const VSAPI *vsapi)
{
struct vf_instance *vf = *instanceData;
struct vf_priv_s *p = vf->priv;
// Note: this is called from createFilter, so no need for locking.
VSVideoInfo fmt = {
.format = p->vsapi->getFormatPreset(mp_to_vs(p->fmt_in.imgfmt), p->vscore),
.width = p->fmt_in.w,
.height = p->fmt_in.h,
};
if (!fmt.format) {
p->vsapi->setError(out, "Unsupported input format.\n");
return;
}
p->vsapi->setVideoInfo(&fmt, 1, node);
p->in_node_active = true;
}
static const VSFrameRef *VS_CC infiltGetFrame(int frameno, int activationReason,
void **instanceData, void **frameData,
VSFrameContext *frameCtx, VSCore *core,
const VSAPI *vsapi)
{
struct vf_instance *vf = *instanceData;
struct vf_priv_s *p = vf->priv;
VSFrameRef *ret = NULL;
pthread_mutex_lock(&p->lock);
while (1) {
if (p->shutdown)
break;
if (frameno < p->in_frameno) {
p->vsapi->setFilterError("Requesting a frame too far in the past. "
"Try increasing the maxbuffer suboption",
frameCtx);
break;
}
if (frameno >= p->in_frameno + MP_TALLOC_ELEMS(p->buffered)) {
// Too far in the future. Remove frames, so that the main thread can
// queue new frames.
if (p->num_buffered) {
drain_oldest_buffered_frame(p);
pthread_cond_broadcast(&p->wakeup);
continue;
}
}
if (frameno < p->in_frameno + p->num_buffered) {
struct mp_image *img = p->buffered[frameno - p->in_frameno];
const VSFormat *vsfmt =
vsapi->getFormatPreset(mp_to_vs(img->imgfmt), core);
ret = vsapi->newVideoFrame(vsfmt, img->w, img->h, NULL, core);
if (!ret) {
p->vsapi->setFilterError("Could not allocate VS frame", frameCtx);
break;
}
struct mp_image vsframe = map_vs_frame(p, ret, true);
mp_image_copy(&vsframe, img);
VSMap *map = p->vsapi->getFramePropsRW(ret);
if (map) {
int res = 1e6;
int dur = img->pts * res + 0.5;
p->vsapi->propSetInt(map, "_DurationNum", dur, 0);
p->vsapi->propSetInt(map, "_DurationDen", res, 0);
copy_mp_to_vs_frame_props(p, map, img);
}
break;
}
pthread_cond_wait(&p->wakeup, &p->lock);
}
pthread_mutex_unlock(&p->lock);
return ret;
}
static void VS_CC infiltFree(void *instanceData, VSCore *core, const VSAPI *vsapi)
{
struct vf_instance *vf = instanceData;
struct vf_priv_s *p = vf->priv;
pthread_mutex_lock(&p->lock);
p->in_node_active = false;
pthread_cond_broadcast(&p->wakeup);
pthread_mutex_unlock(&p->lock);
}
static void destroy_vs(struct vf_instance *vf)
{
struct vf_priv_s *p = vf->priv;
// Wait until our frame callback returns.
pthread_mutex_lock(&p->lock);
p->shutdown = true;
pthread_cond_broadcast(&p->wakeup);
while (p->getting_frame)
pthread_cond_wait(&p->wakeup, &p->lock);
pthread_mutex_unlock(&p->lock);
if (p->in_node)
p->vsapi->freeNode(p->in_node);
if (p->out_node)
p->vsapi->freeNode(p->out_node);
p->in_node = p->out_node = NULL;
if (p->se)
vsscript_freeScript(p->se);
p->se = NULL;
p->vsapi = NULL;
p->vscore = NULL;
assert(!p->in_node_active);
p->shutdown = false;
talloc_free(p->got_frame);
p->got_frame = NULL;
// Kill queued frames too
for (int n = 0; n < p->num_buffered; n++)
talloc_free(p->buffered[n]);
p->num_buffered = 0;
talloc_free(p->next_image);
p->next_image = NULL;
p->prev_pts = MP_NOPTS_VALUE;
p->out_frameno = p->in_frameno = 0;
}
static int reinit_vs(struct vf_instance *vf)
{
struct vf_priv_s *p = vf->priv;
VSMap *vars = NULL, *in = NULL, *out = NULL;
int res = -1;
destroy_vs(vf);
// First load an empty script to get a VSScript, so that we get the vsapi
// and vscore.
if (vsscript_evaluateScript(&p->se, "", NULL, 0))
goto error;
p->vsapi = vsscript_getVSApi();
p->vscore = vsscript_getCore(p->se);
if (!p->vsapi || !p->vscore)
goto error;
in = p->vsapi->createMap();
out = p->vsapi->createMap();
vars = p->vsapi->createMap();
if (!in || !out || !vars)
goto error;
p->vsapi->createFilter(in, out, "Input", infiltInit, infiltGetFrame,
infiltFree, fmSerial, 0, vf, p->vscore);
int vserr;
p->in_node = p->vsapi->propGetNode(out, "clip", 0, &vserr);
if (!p->in_node)
goto error;
if (p->vsapi->propSetNode(vars, "video_in", p->in_node, 0))
goto error;
vsscript_setVariable(p->se, vars);
if (vsscript_evaluateFile(&p->se, p->cfg_file, 0)) {
MP_FATAL(vf, "Script evaluation failed:\n%s\n", vsscript_getError(p->se));
goto error;
}
p->out_node = vsscript_getOutput(p->se, 0);
if (!p->out_node)
goto error;
const VSVideoInfo *vi = p->vsapi->getVideoInfo(p->out_node);
if (!isConstantFormat(vi)) {
MP_FATAL(vf, "Video format is required to be constant.\n");
goto error;
}
res = 0;
error:
if (p->vsapi) {
p->vsapi->freeMap(in);
p->vsapi->freeMap(out);
p->vsapi->freeMap(vars);
}
if (res < 0)
destroy_vs(vf);
return res;
}
static int config(struct vf_instance *vf, int width, int height,
int d_width, int d_height, unsigned int flags,
unsigned int fmt)
{
struct vf_priv_s *p = vf->priv;
p->fmt_in = (struct mp_image_params){
.imgfmt = fmt,
.w = width,
.h = height,
};
if (reinit_vs(vf) < 0)
return 0;
const VSVideoInfo *vi = p->vsapi->getVideoInfo(p->out_node);
fmt = mp_from_vs(vi->format->id);
if (!fmt) {
MP_FATAL(vf, "Unsupported output format.\n");
destroy_vs(vf);
return 0;
}
vf_rescale_dsize(&d_width, &d_height, width, height, vi->width, vi->height);
return vf_next_config(vf, vi->width, vi->height, d_width, d_height, flags, fmt);
}
static int query_format(struct vf_instance *vf, unsigned int fmt)
{
return mp_to_vs(fmt) != pfNone ? VFCAP_CSP_SUPPORTED : 0;
}
static int control(vf_instance_t *vf, int request, void *data)
{
switch (request) {
case VFCTRL_SEEK_RESET:
if (reinit_vs(vf) < 0)
return CONTROL_ERROR;
return CONTROL_OK;
}
return CONTROL_UNKNOWN;
}
static void uninit(struct vf_instance *vf)
{
struct vf_priv_s *p = vf->priv;
destroy_vs(vf);
vsscript_finalize();
pthread_cond_destroy(&p->wakeup);
pthread_mutex_destroy(&p->lock);
}
static int vf_open(vf_instance_t *vf)
{
struct vf_priv_s *p = vf->priv;
if (!vsscript_init()) {
MP_FATAL(vf, "Could not initialize VapourSynth scripting.\n");
return 0;
}
if (!p->cfg_file || !p->cfg_file[0]) {
MP_FATAL(vf, "'file' parameter must be set.\n");
return 0;
}
pthread_mutex_init(&p->lock, NULL);
pthread_cond_init(&p->wakeup, NULL);
vf->reconfig = NULL;
vf->config = config;
vf->filter_ext = filter_ext;
vf->filter = NULL;
vf->query_format = query_format;
vf->control = control;
vf->uninit = uninit;
p->buffered = talloc_array(vf, struct mp_image *, p->cfg_maxbuffer);
return 1;
}
#define OPT_BASE_STRUCT struct vf_priv_s
static const m_option_t vf_opts_fields[] = {
OPT_STRING("file", cfg_file, 0),
OPT_INTRANGE("maxbuffer", cfg_maxbuffer, 0, 1, 9999, OPTDEF_INT(5)),
{0}
};
const vf_info_t vf_info_vapoursynth = {
.description = "vapoursynth bridge",
.name = "vapoursynth",
.open = vf_open,
.priv_size = sizeof(struct vf_priv_s),
.options = vf_opts_fields,
};
static int reinit_vs(struct vf_instance *vf)
{
struct vf_priv_s *p = vf->priv;
VSMap *vars = NULL, *in = NULL, *out = NULL;
int res = -1;
destroy_vs(vf);
MP_DBG(vf, "initializing...\n");
// First load an empty script to get a VSScript, so that we get the vsapi
// and vscore.
if (vsscript_evaluateScript(&p->se, "", NULL, 0))
goto error;
p->vsapi = vsscript_getVSApi();
p->vscore = vsscript_getCore(p->se);
if (!p->vsapi || !p->vscore)
goto error;
in = p->vsapi->createMap();
out = p->vsapi->createMap();
vars = p->vsapi->createMap();
if (!in || !out || !vars)
goto error;
p->vsapi->createFilter(in, out, "Input", infiltInit, infiltGetFrame,
infiltFree, fmSerial, 0, vf, p->vscore);
int vserr;
p->in_node = p->vsapi->propGetNode(out, "clip", 0, &vserr);
if (!p->in_node)
goto error;
if (p->vsapi->propSetNode(vars, "video_in", p->in_node, 0))
goto error;
vsscript_setVariable(p->se, vars);
if (vsscript_evaluateFile(&p->se, p->cfg_file, 0)) {
MP_FATAL(vf, "Script evaluation failed:\n%s\n", vsscript_getError(p->se));
goto error;
}
p->out_node = vsscript_getOutput(p->se, 0);
if (!p->out_node)
goto error;
const VSVideoInfo *vi = p->vsapi->getVideoInfo(p->out_node);
if (!isConstantFormat(vi)) {
MP_FATAL(vf, "Video format is required to be constant.\n");
goto error;
}
MP_DBG(vf, "initialized.\n");
res = 0;
error:
if (p->vsapi) {
p->vsapi->freeMap(in);
p->vsapi->freeMap(out);
p->vsapi->freeMap(vars);
}
if (res < 0)
destroy_vs(vf);
return res;
}
static int open_file( char *psz_filename, hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
{
vs_hnd_t *h = new vs_hnd_t;
if( !h )
return -1;
FILE *fh = x264_fopen(psz_filename, "rb");
if (!fh)
return -1;
int b_regular = x264_is_regular_file(fh);
fclose(fh);
FAIL_IF_ERROR(!b_regular, "VS input is incompatible with non-regular file `%s'\n", psz_filename);
FAIL_IF_ERROR(!vsscript_init(), "Failed to initialize VapourSynth environment\n");
h->vsapi = vsscript_getVSApi();
if (!h->vsapi) {
fprintf(stderr, "Failed to get VapourSynth API pointer\n");
vsscript_finalize();
return -1;
}
// Should always succeed
if (vsscript_createScript(&h->se)) {
fprintf(stderr, "Script environment initialization failed:\n%s\n", vsscript_getError(h->se));
vsscript_freeScript(h->se);
vsscript_finalize();
return -1;
}
std::string strfilename = psz_filename;
nstring scriptFilename = s2ws(strfilename);
if (vsscript_evaluateFile(&h->se, nstringToUtf8(scriptFilename).c_str(), efSetWorkingDir)) {
fprintf(stderr, "Script evaluation failed:\n%s\n", vsscript_getError(h->se));
vsscript_freeScript(h->se);
vsscript_finalize();
return -1;
}
h->node = vsscript_getOutput(h->se, 0);//outputIndex
if (!h->node) {
fprintf(stderr, "Failed to retrieve output node. Invalid index specified?\n");
vsscript_freeScript(h->se);
vsscript_finalize();
return -1;
}
const VSCoreInfo *vsInfo = h->vsapi->getCoreInfo(vsscript_getCore(h->se));
h->sea = new semaphore(vsInfo->numThreads);
const VSVideoInfo *vi = h->vsapi->getVideoInfo(h->node);
if (vi->format->colorFamily != cmYUV) {
fprintf(stderr, "Can only read YUV format clips");
h->vsapi->freeNode(h->node);
vsscript_freeScript(h->se);
vsscript_finalize();
return -1;
}
if (!isConstantFormat(vi)) {
fprintf(stderr, "Cannot output clips with varying dimensions\n");
h->vsapi->freeNode(h->node);
vsscript_freeScript(h->se);
vsscript_finalize();
return -1;
}
info->width = vi->width;
info->height = vi->height;
info->fps_num = vi->fpsNum;
info->fps_den = vi->fpsDen;
info->thread_safe = 1;
info->num_frames = vi->numFrames;
if (vi->format->subSamplingW == 1 && vi->format->subSamplingH == 1)
info->csp = X264_CSP_I420;
else if (vi->format->subSamplingW == 1 && vi->format->subSamplingH == 0)
info->csp = X264_CSP_I422;
else if (vi->format->subSamplingW == 0 && vi->format->subSamplingH == 0)
info->csp = X264_CSP_I444;
h->bit_depth = vi->format->bitsPerSample;
if (h->bit_depth > 8)
{
info->csp |= X264_CSP_HIGH_DEPTH;
}
*p_handle = (void*)h;
return 0;
}
int main(int argc, char **argv) {
const VSAPI *vsapi = NULL;
VSScript *se = NULL;
FILE *outFile = NULL;
if (argc != 3) {
fprintf(stderr, "Usage: vsscript_example <infile> <outfile>\n");
return 1;
}
// Open the output file for writing
outFile = fopen(argv[2], "wb");
if (!outFile) {
fprintf(stderr, "Failed to open output for writing\n");
return 1;
}
// Initialize VSScript, vsscript_finalize() needs to be called the same number of times as vsscript_init()
if (!vsscript_init()) {
// VapourSynth probably isn't properly installed at all
fprintf(stderr, "Failed to initialize VapourSynth environment\n");
return 1;
}
// Get a pointer to the normal api struct, exists so you don't have to link with the VapourSynth core library
// Failure only happens on very rare API version mismatches
vsapi = vsscript_getVSApi();
assert(vsapi);
// This line does the actual script evaluation. If se = NULL it will create a new environment
if (vsscript_evaluateFile(&se, argv[1], 0)) {
fprintf(stderr, "Script evaluation failed:\n%s", vsscript_getError(se));
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
// Get the clip set as output. It is valid until the out index is re-set/cleared/the script is freed
VSNodeRef *node = vsscript_getOutput(se, 0);
if (!node) {
fprintf(stderr, "Failed to retrieve output node\n");
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
// Reject hard to handle formats
const VSVideoInfo *vi = vsapi->getVideoInfo(node);
if (!isConstantFormat(vi) || !vi->numFrames) {
fprintf(stderr, "Cannot output clips with varying dimensions or unknown length\n");
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
// Output all frames
char errMsg[1024];
int error = 0;
for (int n = 0; n < vi->numFrames; n++) {
const VSFrameRef *frame = vsapi->getFrame(n, node, errMsg, sizeof(errMsg));
if (!frame) { // Check if an error happened when getting the frame
error = 1;
break;
}
// Loop over every row of every plane write to the file
for (int p = 0; p < vi->format->numPlanes; p++) {
int stride = vsapi->getStride(frame, p);
const uint8_t *readPtr = vsapi->getReadPtr(frame, p);
int rowSize = vsapi->getFrameWidth(frame, p) * vi->format->bytesPerSample;
int height = vsapi->getFrameHeight(frame, p);
for (int y = 0; y < height; y++) {
// You should probably handle any fwrite errors here as well
fwrite(readPtr, rowSize, 1, outFile);
readPtr += stride;
}
}
vsapi->freeFrame(frame);
}
// Cleanup
fclose(outFile);
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
if (error) {
fprintf(stderr, "%s", errMsg);
return 1;
}
return 0;
}
int wmain(int argc, wchar_t **argv) {
if (_setmode(_fileno(stdout), _O_BINARY) == -1)
fprintf(stderr, "Failed to set stdout to binary mode\n");
SetConsoleCtrlHandler(HandlerRoutine, TRUE);
#else
int main(int argc, char **argv) {
#endif
nstring outputFilename, scriptFilename;
bool showHelp = false;
std::map<std::string, std::string> scriptArgs;
int startFrame = 0;
for (int arg = 1; arg < argc; arg++) {
nstring argString = argv[arg];
if (argString == NSTRING("-v") || argString == NSTRING("--version")) {
showVersion = true;
} else if (argString == NSTRING("-y") || argString == NSTRING("--y4m")) {
y4m = true;
} else if (argString == NSTRING("-p") || argString == NSTRING("--progress")) {
printFrameNumber = true;
} else if (argString == NSTRING("-i") || argString == NSTRING("--info")) {
showInfo = true;
} else if (argString == NSTRING("-h") || argString == NSTRING("--help")) {
showHelp = true;
} else if (argString == NSTRING("-s") || argString == NSTRING("--start")) {
if (argc <= arg + 1) {
fprintf(stderr, "No start frame specified\n");
return 1;
}
if (!nstringToInt(argv[arg + 1], startFrame)) {
fprintf(stderr, "Couldn't convert %s to an integer (start)\n", nstringToUtf8(argv[arg + 1]).c_str());
return 1;
}
if (startFrame < 0) {
fprintf(stderr, "Negative start frame specified\n");
return 1;
}
completedFrames = startFrame;
outputFrames = startFrame;
requestedFrames = startFrame;
lastFpsReportFrame = startFrame;
arg++;
} else if (argString == NSTRING("-e") || argString == NSTRING("--end")) {
if (argc <= arg + 1) {
fprintf(stderr, "No end frame specified\n");
return 1;
}
if (!nstringToInt(argv[arg + 1], totalFrames)) {
fprintf(stderr, "Couldn't convert %s to an integer (end)\n", nstringToUtf8(argv[arg + 1]).c_str());
return 1;
}
if (totalFrames < 0) {
fprintf(stderr, "Negative end frame specified\n");
return 1;
}
totalFrames++;
arg++;
} else if (argString == NSTRING("-o") || argString == NSTRING("--outputindex")) {
if (argc <= arg + 1) {
fprintf(stderr, "No output index specified\n");
return 1;
}
if (!nstringToInt(argv[arg + 1], outputIndex)) {
fprintf(stderr, "Couldn't convert %s to an integer (index)\n", nstringToUtf8(argv[arg + 1]).c_str());
return 1;
}
arg++;
} else if (argString == NSTRING("-r") || argString == NSTRING("--requests")) {
if (argc <= arg + 1) {
fprintf(stderr, "Number of requests not specified\n");
return 1;
}
if (!nstringToInt(argv[arg + 1], requests)) {
fprintf(stderr, "Couldn't convert %s to an integer (requests)\n", nstringToUtf8(argv[arg + 1]).c_str());
return 1;
}
arg++;
} else if (argString == NSTRING("-a") || argString == NSTRING("--arg")) {
if (argc <= arg + 1) {
fprintf(stderr, "No argument specified\n");
return 1;
}
std::string aLine = nstringToUtf8(argv[arg + 1]).c_str();
size_t equalsPos = aLine.find("=");
if (equalsPos == std::string::npos) {
fprintf(stderr, "No value specified for argument: %s\n", aLine.c_str());
return 1;
}
scriptArgs[aLine.substr(0, equalsPos)] = aLine.substr(equalsPos + 1);
arg++;
} else if (scriptFilename.empty() && !argString.empty() && argString.substr(0, 1) != NSTRING("-")) {
scriptFilename = argString;
} else if (outputFilename.empty() && !argString.empty() && (argString == NSTRING("-") || (argString.substr(0, 1) != NSTRING("-")))) {
outputFilename = argString;
} else {
fprintf(stderr, "Unknown argument: %s\n", nstringToUtf8(argString).c_str());
return 1;
}
}
if (showVersion && argc > 2) {
fprintf(stderr, "Cannot combine version information with other options\n");
return 1;
} else if (showVersion) {
return printVersion() ? 0 : 1;
} else if (showHelp || argc <= 1) {
printHelp();
return 1;
} else if (scriptFilename.empty()) {
fprintf(stderr, "No script file specified\n");
return 1;
} else if (outputFilename.empty()) {
fprintf(stderr, "No output file specified\n");
return 1;
}
if (outputFilename == NSTRING("-")) {
outFile = stdout;
} else {
#ifdef VS_TARGET_OS_WINDOWS
outFile = _wfopen(outputFilename.c_str(), L"wb");
#else
outFile = fopen(outputFilename.c_str(), "wb");
#endif
if (!outFile) {
fprintf(stderr, "Failed to open output for writing\n");
return 1;
}
}
if (!vsscript_init()) {
fprintf(stderr, "Failed to initialize VapourSynth environment\n");
return 1;
}
vsapi = vsscript_getVSApi();
if (!vsapi) {
fprintf(stderr, "Failed to get VapourSynth API pointer\n");
vsscript_finalize();
return 1;
}
// Should always succeed
if (vsscript_createScript(&se)) {
fprintf(stderr, "Script environment initialization failed:\n%s\n", vsscript_getError(se));
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
{
VSMap *foldedArgs = vsapi->createMap();
for (const auto &iter : scriptArgs)
vsapi->propSetData(foldedArgs, iter.first.c_str(), iter.second.c_str(), static_cast<int>(iter.second.size()), paAppend);
vsscript_setVariable(se, foldedArgs);
vsapi->freeMap(foldedArgs);
}
start = std::chrono::high_resolution_clock::now();
if (vsscript_evaluateFile(&se, nstringToUtf8(scriptFilename).c_str(), efSetWorkingDir)) {
fprintf(stderr, "Script evaluation failed:\n%s\n", vsscript_getError(se));
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
node = vsscript_getOutput(se, outputIndex);
if (!node) {
fprintf(stderr, "Failed to retrieve output node. Invalid index specified?\n");
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
bool error = false;
const VSVideoInfo *vi = vsapi->getVideoInfo(node);
if (showInfo) {
if (vi->width && vi->height) {
fprintf(outFile, "Width: %d\n", vi->width);
fprintf(outFile, "Height: %d\n", vi->height);
} else {
fprintf(outFile, "Width: Variable\n");
fprintf(outFile, "Height: Variable\n");
}
if (vi->numFrames)
fprintf(outFile, "Frames: %d\n", vi->numFrames);
else
fprintf(outFile, "Frames: Unknown\n");
if (vi->fpsNum && vi->fpsDen)
fprintf(outFile, "FPS: %" PRId64 "/%" PRId64 " (%.3f fps)\n", vi->fpsNum, vi->fpsDen, vi->fpsNum/(double)vi->fpsDen);
else
fprintf(outFile, "FPS: Variable\n");
if (vi->format) {
fprintf(outFile, "Format Name: %s\n", vi->format->name);
fprintf(outFile, "Color Family: %s\n", colorFamilyToString(vi->format->colorFamily));
fprintf(outFile, "Bits: %d\n", vi->format->bitsPerSample);
fprintf(outFile, "SubSampling W: %d\n", vi->format->subSamplingW);
fprintf(outFile, "SubSampling H: %d\n", vi->format->subSamplingH);
} else {
fprintf(outFile, "Format Name: Variable\n");
}
} else {
const VSVideoInfo *vi = vsapi->getVideoInfo(node);
if (totalFrames == -1)
totalFrames = vi->numFrames;
if ((vi->numFrames && vi->numFrames < totalFrames) || completedFrames >= totalFrames) {
fprintf(stderr, "Invalid range of frames to output specified:\nfirst: %d\nlast: %d\nclip length: %d\nframes to output: %d\n", completedFrames, totalFrames, vi->numFrames, totalFrames - completedFrames);
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
if (!isConstantFormat(vi) || !totalFrames) {
fprintf(stderr, "Cannot output clips with varying dimensions or unknown length\n");
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
return 1;
}
lastFpsReportTime = std::chrono::high_resolution_clock::now();;
error = outputNode();
}
fflush(outFile);
if (!showInfo) {
int totalFrames = outputFrames - startFrame;
std::chrono::duration<double> elapsedSeconds = std::chrono::high_resolution_clock::now() - start;
fprintf(stderr, "Output %d frames in %.2f seconds (%.2f fps)\n", totalFrames, elapsedSeconds.count(), totalFrames / elapsedSeconds.count());
}
vsapi->freeNode(node);
vsscript_freeScript(se);
vsscript_finalize();
return error ? 1 : 0;
}