void mp_ass_render_frame(ASS_Renderer *renderer, ASS_Track *track, double time,
struct sub_bitmap **parts, struct sub_bitmaps *res)
{
int changed;
ASS_Image *imgs = ass_render_frame(renderer, track, time, &changed);
if (changed == 2)
res->bitmap_id = ++res->bitmap_pos_id;
else if (changed)
res->bitmap_pos_id++;
res->format = SUBBITMAP_LIBASS;
res->parts = *parts;
res->num_parts = 0;
int num_parts_alloc = MP_TALLOC_ELEMS(res->parts);
for (struct ass_image *img = imgs; img; img = img->next) {
if (img->w == 0 || img->h == 0)
continue;
if (res->num_parts >= num_parts_alloc) {
num_parts_alloc = FFMAX(num_parts_alloc * 2, 32);
res->parts = talloc_realloc(NULL, res->parts, struct sub_bitmap,
num_parts_alloc);
}
struct sub_bitmap *p = &res->parts[res->num_parts];
p->bitmap = img->bitmap;
p->stride = img->stride;
p->libass.color = img->color;
p->dw = p->w = img->w;
p->dh = p->h = img->h;
p->x = img->dst_x;
p->y = img->dst_y;
res->num_parts++;
}
static int filter_ext(struct vf_instance *vf, struct mp_image *mpi)
{
struct vf_priv_s *p = vf->priv;
int ret = 0;
if (!p->out_node) {
talloc_free(mpi);
return -1;
}
MPSWAP(struct mp_image *, p->next_image, mpi);
if (!mpi)
return 0;
// Turn PTS into frame duration (the pts field is abused for storing it)
if (p->prev_pts == MP_NOPTS_VALUE)
p->prev_pts = mpi->pts;
mpi->pts = p->next_image ? p->next_image->pts - mpi->pts : 0;
// Try to get new frames until we get rid of the input mpi.
pthread_mutex_lock(&p->lock);
while (1) {
// Not sure what we do on errors, but at least don't deadlock.
if (p->failed) {
p->failed = false;
talloc_free(mpi);
ret = -1;
break;
}
if (mpi && p->num_buffered < MP_TALLOC_ELEMS(p->buffered)) {
p->buffered[p->num_buffered++] = talloc_steal(p->buffered, mpi);
mpi = NULL;
pthread_cond_broadcast(&p->wakeup);
}
if (p->got_frame) {
vf_add_output_frame(vf, p->got_frame);
p->got_frame = NULL;
}
if (!p->getting_frame) {
// Note: this assumes getFrameAsync() will never call infiltGetFrame
// (if it does, we would deadlock)
p->getting_frame = true;
p->failed = false;
p->vsapi->getFrameAsync(p->out_frameno++, p->out_node,
vs_frame_done, vf);
}
if (!mpi)
break;
pthread_cond_wait(&p->wakeup, &p->lock);
}
pthread_mutex_unlock(&p->lock);
return ret;
}
static int find_ordered_chapter_sources(struct MPContext *mpctx,
struct demuxer **sources,
int num_sources,
unsigned char uid_map[][16])
{
int num_filenames = 0;
char **filenames = NULL;
if (num_sources > 1) {
char *main_filename = mpctx->demuxer->filename;
mp_msg(MSGT_CPLAYER, MSGL_INFO, "This file references data from "
"other sources.\n");
if (mpctx->demuxer->stream->uncached_type != STREAMTYPE_FILE) {
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Playback source is not a "
"normal disk file. Will not search for related files.\n");
} else {
mp_msg(MSGT_CPLAYER, MSGL_INFO, "Will scan other files in the "
"same directory to find referenced sources.\n");
filenames = find_files(main_filename, ".mkv");
num_filenames = MP_TALLOC_ELEMS(filenames);
}
// Possibly get further segments appended to the first segment
check_file(mpctx, sources, num_sources, uid_map, main_filename, 1);
}
for (int i = 0; i < num_filenames; i++) {
if (!missing(sources, num_sources))
break;
mp_msg(MSGT_CPLAYER, MSGL_INFO, "Checking file %s\n", filenames[i]);
check_file(mpctx, sources, num_sources, uid_map, filenames[i], 0);
}
talloc_free(filenames);
if (missing(sources, num_sources)) {
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Failed to find ordered chapter part!\n"
"There will be parts MISSING from the video!\n");
int j = 1;
for (int i = 1; i < num_sources; i++)
if (sources[i]) {
sources[j] = sources[i];
memcpy(uid_map[j], uid_map[i], 16);
j++;
}
num_sources = j;
}
return num_sources;
}
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 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);
MP_DBG(vf, "VS asking for frame %d (at %d)\n", frameno, p->in_frameno);
while (1) {
if (p->shutdown) {
p->vsapi->setFilterError("EOF or filter reinit/uninit", frameCtx);
break;
}
if (frameno < p->in_frameno) {
char msg[180];
snprintf(msg, sizeof(msg),
"Frame %d requested, but only have frames starting from %d. "
"Try increasing the buffered-frames suboption.",
frameno, p->in_frameno);
MP_FATAL(vf, "%s\n", msg);
p->vsapi->setFilterError(msg, 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);
}
// number of getAsyncFrame calls in progress
// must be called with p->lock held
static int num_requested(struct vf_priv_s *p)
{
int r = 0;
for (int n = 0; n < p->max_requests; n++)
r += p->requested[n] == &dummy_img;
return r;
}
static int filter_ext(struct vf_instance *vf, struct mp_image *mpi)
{
struct vf_priv_s *p = vf->priv;
int ret = 0;
if (!p->out_node) {
talloc_free(mpi);
return -1;
}
MPSWAP(struct mp_image *, p->next_image, mpi);
if (!mpi)
return 0;
// Turn PTS into frame duration (the pts field is abused for storing it)
if (p->out_pts == MP_NOPTS_VALUE)
p->out_pts = mpi->pts;
mpi->pts = p->next_image ? p->next_image->pts - mpi->pts : 0;
// Try to get new frames until we get rid of the input mpi.
pthread_mutex_lock(&p->lock);
while (1) {
// Not sure what we do on errors, but at least don't deadlock.
if (p->failed) {
p->failed = false;
talloc_free(mpi);
ret = -1;
break;
}
if (mpi && p->num_buffered < MP_TALLOC_ELEMS(p->buffered)) {
p->buffered[p->num_buffered++] = talloc_steal(p->buffered, mpi);
mpi = NULL;
pthread_cond_broadcast(&p->wakeup);
}
while (p->requested[0] && p->requested[0] != &dummy_img) {
struct mp_image *out = p->requested[0];
if (out->pts != MP_NOPTS_VALUE) {
double duration = out->pts;
out->pts = p->out_pts;
p->out_pts += duration;
}
vf_add_output_frame(vf, out);
for (int n = 0; n < p->max_requests - 1; n++)
p->requested[n] = p->requested[n + 1];
p->requested[p->max_requests - 1] = NULL;
p->out_frameno++;
}
for (int n = 0; n < p->max_requests; n++) {
if (!p->requested[n]) {
// Note: this assumes getFrameAsync() will never call
// infiltGetFrame (if it does, we would deadlock)
p->requested[n] = (struct mp_image *)&dummy_img;
p->failed = false;
MP_DBG(vf, "requesting frame %d (%d)\n", p->out_frameno + n, n);
p->vsapi->getFrameAsync(p->out_frameno + n, p->out_node,
vs_frame_done, vf);
}
}
if (!mpi)
break;
pthread_cond_wait(&p->wakeup, &p->lock);
}
pthread_mutex_unlock(&p->lock);
return ret;
}
