// This is called both during init and at runtime.
// The size argument is the readahead half only; s->back_size is the backbuffer.
static int resize_cache(struct priv *s, int64_t size)
{
int64_t min_size = FILL_LIMIT * 2;
int64_t max_size = ((size_t)-1) / 8;
int64_t buffer_size = MPCLAMP(size, min_size, max_size);
s->back_size = MPCLAMP(s->back_size, min_size, max_size);
buffer_size += s->back_size;
unsigned char *buffer = malloc(buffer_size);
if (!buffer) {
free(buffer);
return STREAM_ERROR;
}
if (s->buffer) {
// Copy & free the old ringbuffer data.
// If the buffer is too small, prefer to copy these regions:
// 1. Data starting from read_filepos, until cache end
size_t read_1 = read_buffer(s, buffer, buffer_size, s->read_filepos);
// 2. then data from before read_filepos until cache start
// (this one needs to be copied to the end of the ringbuffer)
size_t read_2 = 0;
if (s->min_filepos < s->read_filepos) {
size_t copy_len = buffer_size - read_1;
copy_len = MPMIN(copy_len, s->read_filepos - s->min_filepos);
assert(copy_len + read_1 <= buffer_size);
read_2 = read_buffer(s, buffer + buffer_size - copy_len, copy_len,
s->read_filepos - copy_len);
// This shouldn't happen, unless copy_len was computed incorrectly.
assert(read_2 == copy_len);
}
// Set it up such that read_1 is at buffer pos 0, and read_2 wraps
// around below it, so that it is located at the end of the buffer.
s->min_filepos = s->read_filepos - read_2;
s->max_filepos = s->read_filepos + read_1;
s->offset = s->max_filepos - read_1;
} else {
cache_drop_contents(s);
}
free(s->buffer);
s->buffer_size = buffer_size;
s->buffer = buffer;
s->idle = false;
s->eof = false;
//make sure that we won't wait from cache_fill
//more data than it is allowed to fill
if (s->seek_limit > s->buffer_size - FILL_LIMIT)
s->seek_limit = s->buffer_size - FILL_LIMIT;
assert(s->back_size < s->buffer_size);
return STREAM_OK;
}
// Render "fake" highlights, because using actual dvd sub highlight elements
// is too hard, and would require changes to libavcodec's dvdsub decoder.
// Note: a proper solution would introduce something like
// SD_CTRL_APPLY_DVDNAV, which would crop the vobsub frame,
// and apply the current CLUT.
void mp_nav_get_highlight(void *priv, struct mp_osd_res res,
struct sub_bitmaps *out_imgs)
{
struct MPContext *mpctx = priv;
struct mp_nav_state *nav = mpctx->nav_state;
pthread_mutex_lock(&nav->osd_lock);
struct sub_bitmap *sub = nav->hi_elem;
if (!sub)
sub = talloc_zero(nav, struct sub_bitmap);
nav->hi_elem = sub;
if (!is_valid_size(nav->vidsize)) {
pthread_mutex_unlock(&nav->osd_lock);
return;
}
int sizes[2] = {nav->vidsize[0], nav->vidsize[1]};
if (sizes[0] != nav->subsize[0] || sizes[1] != nav->subsize[1]) {
talloc_free(sub->bitmap);
sub->bitmap = talloc_array(sub, uint32_t, sizes[0] * sizes[1]);
memset(sub->bitmap, 0x80, talloc_get_size(sub->bitmap));
nav->subsize[0] = sizes[0];
nav->subsize[1] = sizes[1];
}
out_imgs->num_parts = 0;
if (nav->hi_visible) {
sub->x = nav->highlight[0];
sub->y = nav->highlight[1];
sub->w = MPCLAMP(nav->highlight[2] - sub->x, 0, sizes[0]);
sub->h = MPCLAMP(nav->highlight[3] - sub->y, 0, sizes[1]);
sub->stride = sub->w * 4;
if (sub->w > 0 && sub->h > 0)
nav->outputs[out_imgs->num_parts++] = *sub;
}
if (nav->overlays[0])
nav->outputs[out_imgs->num_parts++] = *nav->overlays[0];
if (nav->overlays[1])
nav->outputs[out_imgs->num_parts++] = *nav->overlays[1];
if (out_imgs->num_parts) {
out_imgs->parts = nav->outputs;
out_imgs->format = SUBBITMAP_RGBA;
osd_rescale_bitmaps(out_imgs, sizes[0], sizes[1], res, 0);
}
pthread_mutex_unlock(&nav->osd_lock);
}
static void method2_int16(af_drc_t *s, struct mp_audio *c)
{
register int i = 0;
int16_t *data = (int16_t*)c->planes[0]; // Audio data
int len = c->samples*c->nch; // Number of samples
float curavg = 0.0, newavg, avg = 0.0;
int tmp, totallen = 0;
for (i = 0; i < len; i++)
{
tmp = data[i];
curavg += tmp * tmp;
}
curavg = sqrt(curavg / (float) len);
// Evaluate an adequate 'mul' coefficient based on previous state, current
// samples level, etc
for (i = 0; i < NSAMPLES; i++)
{
avg += s->mem[i].avg * (float)s->mem[i].len;
totallen += s->mem[i].len;
}
if (totallen > MIN_SAMPLE_SIZE)
{
avg /= (float)totallen;
if (avg >= SIL_S16)
{
s->mul = s->mid_s16 / avg;
s->mul = MPCLAMP(s->mul, MUL_MIN, MUL_MAX);
}
}
// Scale & clamp the samples
for (i = 0; i < len; i++)
{
tmp = s->mul * data[i];
tmp = MPCLAMP(tmp, SHRT_MIN, SHRT_MAX);
data[i] = tmp;
}
// Evaulation of newavg (not 100% accurate because of values clamping)
newavg = s->mul * curavg;
// Stores computed values for future smoothing
s->mem[s->idx].len = len;
s->mem[s->idx].avg = newavg;
s->idx = (s->idx + 1) % NSAMPLES;
}
// Filter data through filter
static void play_s16(af_extrastereo_t *s, struct mp_audio* data)
{
register int i = 0;
int16_t *a = (int16_t*)data->planes[0]; // Audio data
int len = data->samples*data->nch; // Number of samples
int avg, l, r;
for (i = 0; i < len; i+=2)
{
avg = (a[i] + a[i + 1]) / 2;
l = avg + (int)(s->mul * (a[i] - avg));
r = avg + (int)(s->mul * (a[i + 1] - avg));
a[i] = MPCLAMP(l, SHRT_MIN, SHRT_MAX);
a[i + 1] = MPCLAMP(r, SHRT_MIN, SHRT_MAX);
}
}
static int get_req_frames(struct MPContext *mpctx, bool eof)
{
// On EOF, drain all frames.
// On the first frame, output a new frame as quickly as possible.
if (eof || mpctx->video_pts == MP_NOPTS_VALUE)
return 1;
int req = vo_get_num_req_frames(mpctx->video_out);
return MPCLAMP(req, 2, MP_ARRAY_SIZE(mpctx->next_frames));
}
// Allocate memory and set function pointers
static int af_open(struct af_instance* af){
af->control=control;
af->filter=filter;
af_equalizer_t *priv = af->priv;
for(int i=0;i<AF_NCH;i++){
for(int j=0;j<KM;j++){
priv->g[i][j] = pow(10.0,MPCLAMP(priv->p[j],G_MIN,G_MAX)/20.0)-1.0;
}
}
return AF_OK;
}
int64_t mp_add_timeout(int64_t time_us, double timeout_sec)
{
assert(time_us > 0); // mp_time_us() returns strictly positive values
double t = MPCLAMP(timeout_sec * (1000 * 1000), -0x1p63, 0x1p63);
int64_t ti = t == 0x1p63 ? INT64_MAX : (int64_t)t;
if (ti > INT64_MAX - time_us)
return INT64_MAX;
if (ti <= -time_us)
return 1;
return time_us + ti;
}
static void method1_int16(af_drc_t *s, struct mp_audio *c)
{
register int i = 0;
int16_t *data = (int16_t*)c->planes[0]; // Audio data
int len = c->samples*c->nch; // Number of samples
float curavg = 0.0, newavg, neededmul;
int tmp;
for (i = 0; i < len; i++)
{
tmp = data[i];
curavg += tmp * tmp;
}
curavg = sqrt(curavg / (float) len);
// Evaluate an adequate 'mul' coefficient based on previous state, current
// samples level, etc
if (curavg > SIL_S16)
{
neededmul = s->mid_s16 / (curavg * s->mul);
s->mul = (1.0 - SMOOTH_MUL) * s->mul + SMOOTH_MUL * neededmul;
// clamp the mul coefficient
s->mul = MPCLAMP(s->mul, MUL_MIN, MUL_MAX);
}
// Scale & clamp the samples
for (i = 0; i < len; i++)
{
tmp = s->mul * data[i];
tmp = MPCLAMP(tmp, SHRT_MIN, SHRT_MAX);
data[i] = tmp;
}
// Evaulation of newavg (not 100% accurate because of values clamping)
newavg = s->mul * curavg;
// Stores computed values for future smoothing
s->lastavg = (1.0 - SMOOTH_LASTAVG) * s->lastavg + SMOOTH_LASTAVG * newavg;
}
/* Convert from ms to sample time */
int af_from_ms(int n, float* in, int* out, int rate, float mi, float ma)
{
int i = 0;
// Sanity check
if(!in || !out)
return AF_ERROR;
for(i=0;i<n;i++)
out[i]=(int)((float)rate * MPCLAMP(in[i],mi,ma)/1000.0);
return AF_OK;
}
// Filter data through filter
static struct mp_audio* play_s16(struct af_instance* af, struct mp_audio* data)
{
af_extrastereo_t *s = af->setup;
register int i = 0;
int16_t *a = (int16_t*)data->audio; // Audio data
int len = data->len/2; // Number of samples
int avg, l, r;
for (i = 0; i < len; i+=2)
{
avg = (a[i] + a[i + 1]) / 2;
l = avg + (int)(s->mul * (a[i] - avg));
r = avg + (int)(s->mul * (a[i + 1] - avg));
a[i] = MPCLAMP(l, SHRT_MIN, SHRT_MAX);
a[i + 1] = MPCLAMP(r, SHRT_MIN, SHRT_MAX);
}
return data;
}
static void filter_plane(struct af_instance *af, void *ptr, int num_samples)
{
struct priv *s = af->priv;
if (af_fmt_from_planar(af->data->format) == AF_FORMAT_S16) {
int16_t *a = ptr;
int vol = 256.0 * s->level;
if (vol != 256) {
for (int i = 0; i < num_samples; i++) {
int x = (a[i] * vol) >> 8;
a[i] = MPCLAMP(x, SHRT_MIN, SHRT_MAX);
}
}
} else if (af_fmt_from_planar(af->data->format) == AF_FORMAT_FLOAT) {
/* Convert to gain value from dB. Returns AF_OK if of and AF_ERROR if
* fail. input <= -200dB will become 0 gain. */
int af_from_dB(int n, float* in, float* out, float k, float mi, float ma)
{
int i = 0;
// Sanity check
if(!in || !out)
return AF_ERROR;
for(i=0;i<n;i++){
if(in[i]<=-200)
out[i]=0.0;
else
out[i]=pow(10.0,MPCLAMP(in[i],mi,ma)/k);
}
return AF_OK;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_delay_t* s = af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
int i;
// Free prevous delay queues
for(i=0;i<af->data->nch;i++)
free(s->q[i]);
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_force_interleaved_format(af->data);
// Allocate new delay queues
for(i=0;i<af->data->nch;i++){
s->q[i] = calloc(L,af->data->bps);
if(NULL == s->q[i])
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[delay] Out of memory\n");
}
if(AF_OK != af_from_ms(AF_NCH, s->d, s->wi, af->data->rate, 0.0, 1000.0))
return AF_ERROR;
s->ri = 0;
for(i=0;i<AF_NCH;i++){
mp_msg(MSGT_AFILTER, MSGL_DBG2, "[delay] Channel %i delayed by %0.3fms\n",
i,MPCLAMP(s->d[i],0.0,1000.0));
mp_msg(MSGT_AFILTER, MSGL_DBG3, "[delay] Channel %i delayed by %i samples\n",
i,s->wi[i]);
}
return AF_OK;
}
case AF_CONTROL_COMMAND_LINE:{
int n = 1;
int i = 0;
char* cl = arg;
while(n && i < AF_NCH ){
sscanf(cl,"%f:%n",&s->d[i],&n);
if(n==0 || cl[n-1] == '\0')
break;
cl=&cl[n];
i++;
}
return AF_OK;
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_delay_t* s = af->priv;
switch(cmd){
case AF_CONTROL_REINIT:{
int i;
struct mp_audio *in = arg;
if (in->bps != 1 && in->bps != 2 && in->bps != 4) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[delay] Sample format not supported\n");
return AF_ERROR;
}
// Free prevous delay queues
for(i=0;i<af->data->nch;i++)
free(s->q[i]);
mp_audio_force_interleaved_format(in);
mp_audio_copy_config(af->data, in);
// Allocate new delay queues
for(i=0;i<af->data->nch;i++){
s->q[i] = calloc(L,af->data->bps);
if(NULL == s->q[i])
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[delay] Out of memory\n");
}
if(AF_OK != af_from_ms(AF_NCH, s->d, s->wi, af->data->rate, 0.0, 1000.0))
return AF_ERROR;
s->ri = 0;
for(i=0;i<AF_NCH;i++){
mp_msg(MSGT_AFILTER, MSGL_DBG2, "[delay] Channel %i delayed by %0.3fms\n",
i,MPCLAMP(s->d[i],0.0,1000.0));
mp_msg(MSGT_AFILTER, MSGL_DBG3, "[delay] Channel %i delayed by %i samples\n",
i,s->wi[i]);
}
return AF_OK;
}
}
return AF_UNKNOWN;
}
static void add_term_osd_bar(struct MPContext *mpctx, char **line, int width)
{
struct MPOpts *opts = mpctx->opts;
if (width < 5)
return;
int pos = get_current_pos_ratio(mpctx, false) * (width - 3);
pos = MPCLAMP(pos, 0, width - 3);
bstr chars = bstr0(opts->term_osd_bar_chars);
bstr parts[5];
for (int n = 0; n < 5; n++)
parts[n] = bstr_split_utf8(chars, &chars);
saddf(line, "\r%.*s", BSTR_P(parts[0]));
for (int n = 0; n < pos; n++)
saddf(line, "%.*s", BSTR_P(parts[1]));
saddf(line, "%.*s", BSTR_P(parts[2]));
for (int n = 0; n < width - 3 - pos; n++)
saddf(line, "%.*s", BSTR_P(parts[3]));
saddf(line, "%.*s", BSTR_P(parts[4]));
}
static void modeset_destroy_fb(int fd, struct modeset_buf *buf)
{
if (buf->map) {
munmap(buf->map, buf->size);
}
if (buf->fb) {
drmModeRmFB(fd, buf->fb);
}
if (buf->handle) {
struct drm_mode_destroy_dumb dreq = {
.handle = buf->handle,
};
drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &dreq);
}
}
static int modeset_create_fb(struct vo *vo, int fd, struct modeset_buf *buf)
{
int ret = 0;
buf->handle = 0;
// create dumb buffer
struct drm_mode_create_dumb creq = {
.width = buf->width,
.height = buf->height,
.bpp = 32,
};
ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &creq);
if (ret < 0) {
MP_ERR(vo, "Cannot create dumb buffer: %s\n", mp_strerror(errno));
ret = -errno;
goto end;
}
buf->stride = creq.pitch;
buf->size = creq.size;
buf->handle = creq.handle;
// create framebuffer object for the dumb-buffer
ret = drmModeAddFB(fd, buf->width, buf->height, 24, 32, buf->stride,
buf->handle, &buf->fb);
if (ret) {
MP_ERR(vo, "Cannot create framebuffer: %s\n", mp_strerror(errno));
ret = -errno;
goto end;
}
// prepare buffer for memory mapping
struct drm_mode_map_dumb mreq = {
.handle = buf->handle,
};
ret = drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &mreq);
if (ret) {
MP_ERR(vo, "Cannot map dumb buffer: %s\n", mp_strerror(errno));
ret = -errno;
goto end;
}
// perform actual memory mapping
buf->map = mmap(0, buf->size, PROT_READ | PROT_WRITE, MAP_SHARED,
fd, mreq.offset);
if (buf->map == MAP_FAILED) {
MP_ERR(vo, "Cannot map dumb buffer: %s\n", mp_strerror(errno));
ret = -errno;
goto end;
}
memset(buf->map, 0, buf->size);
end:
if (ret == 0) {
return 0;
}
modeset_destroy_fb(fd, buf);
return ret;
}
static int modeset_find_crtc(struct vo *vo, int fd, drmModeRes *res,
drmModeConnector *conn, struct modeset_dev *dev)
{
for (unsigned int i = 0; i < conn->count_encoders; ++i) {
drmModeEncoder *enc = drmModeGetEncoder(fd, conn->encoders[i]);
if (!enc) {
MP_WARN(vo, "Cannot retrieve encoder %u:%u: %s\n",
i, conn->encoders[i], mp_strerror(errno));
continue;
}
// iterate all global CRTCs
for (unsigned int j = 0; j < res->count_crtcs; ++j) {
// check whether this CRTC works with the encoder
if (!(enc->possible_crtcs & (1 << j)))
continue;
dev->enc = enc;
dev->crtc = enc->crtc_id;
return 0;
}
drmModeFreeEncoder(enc);
}
MP_ERR(vo, "Connector %u has no suitable CRTC\n", conn->connector_id);
return -ENOENT;
}
static bool is_connector_valid(struct vo *vo, int conn_id,
drmModeConnector *conn, bool silent)
{
if (!conn) {
if (!silent) {
MP_ERR(vo, "Cannot get connector %d: %s\n", conn_id,
mp_strerror(errno));
}
return false;
}
if (conn->connection != DRM_MODE_CONNECTED) {
if (!silent) {
MP_ERR(vo, "Connector %d is disconnected\n", conn_id);
}
return false;
}
if (conn->count_modes == 0) {
if (!silent) {
MP_ERR(vo, "Connector %d has no valid modes\n", conn_id);
}
return false;
}
return true;
}
static int modeset_prepare_dev(struct vo *vo, int fd, int conn_id,
struct modeset_dev **out)
{
struct modeset_dev *dev = NULL;
drmModeConnector *conn = NULL;
int ret = 0;
*out = NULL;
drmModeRes *res = drmModeGetResources(fd);
if (!res) {
MP_ERR(vo, "Cannot retrieve DRM resources: %s\n", mp_strerror(errno));
ret = -errno;
goto end;
}
if (conn_id == -1) {
// get the first connected connector
for (int i = 0; i < res->count_connectors; i++) {
conn = drmModeGetConnector(fd, res->connectors[i]);
if (is_connector_valid(vo, i, conn, true)) {
conn_id = i;
break;
}
if (conn) {
drmModeFreeConnector(conn);
conn = NULL;
}
}
if (conn_id == -1) {
MP_ERR(vo, "No connected connectors found\n");
ret = -ENODEV;
goto end;
}
}
if (conn_id < 0 || conn_id >= res->count_connectors) {
MP_ERR(vo, "Bad connector ID. Max valid connector ID = %u\n",
res->count_connectors);
ret = -ENODEV;
goto end;
}
conn = drmModeGetConnector(fd, res->connectors[conn_id]);
if (!is_connector_valid(vo, conn_id, conn, false)) {
ret = -ENODEV;
goto end;
}
dev = talloc_zero(vo->priv, struct modeset_dev);
dev->conn = conn->connector_id;
dev->front_buf = 0;
dev->mode = conn->modes[0];
dev->bufs[0].width = conn->modes[0].hdisplay;
dev->bufs[0].height = conn->modes[0].vdisplay;
dev->bufs[1].width = conn->modes[0].hdisplay;
dev->bufs[1].height = conn->modes[0].vdisplay;
MP_INFO(vo, "Connector using mode %ux%u\n",
dev->bufs[0].width, dev->bufs[0].height);
ret = modeset_find_crtc(vo, fd, res, conn, dev);
if (ret) {
MP_ERR(vo, "Connector %d has no valid CRTC\n", conn_id);
goto end;
}
for (unsigned int i = 0; i < BUF_COUNT; i++) {
ret = modeset_create_fb(vo, fd, &dev->bufs[i]);
if (ret) {
MP_ERR(vo, "Cannot create framebuffer for connector %d\n",
conn_id);
for (unsigned int j = 0; j < i; j++) {
modeset_destroy_fb(fd, &dev->bufs[j]);
}
goto end;
}
}
end:
if (conn) {
drmModeFreeConnector(conn);
conn = NULL;
}
if (res) {
drmModeFreeResources(res);
res = NULL;
}
if (ret == 0) {
*out = dev;
} else {
talloc_free(dev);
}
return ret;
}
static void modeset_page_flipped(int fd, unsigned int frame, unsigned int sec,
unsigned int usec, void *data)
{
struct priv *p = data;
p->pflip_happening = false;
}
static int setup_vo_crtc(struct vo *vo)
{
struct priv *p = vo->priv;
if (p->active)
return 0;
p->old_crtc = drmModeGetCrtc(p->fd, p->dev->crtc);
int ret = drmModeSetCrtc(p->fd, p->dev->crtc,
p->dev->bufs[p->dev->front_buf + BUF_COUNT - 1].fb,
0, 0, &p->dev->conn, 1, &p->dev->mode);
p->active = true;
return ret;
}
static void release_vo_crtc(struct vo *vo)
{
struct priv *p = vo->priv;
if (!p->active)
return;
p->active = false;
// wait for current page flip
while (p->pflip_happening) {
int ret = drmHandleEvent(p->fd, &p->ev);
if (ret) {
MP_ERR(vo, "drmHandleEvent failed: %i\n", ret);
break;
}
}
if (p->old_crtc) {
drmModeSetCrtc(p->fd,
p->old_crtc->crtc_id,
p->old_crtc->buffer_id,
p->old_crtc->x,
p->old_crtc->y,
&p->dev->conn,
1,
&p->dev->mode);
drmModeFreeCrtc(p->old_crtc);
p->old_crtc = NULL;
}
}
static void release_vt(void *data)
{
struct vo *vo = data;
release_vo_crtc(vo);
if (USE_MASTER) {
//this function enables support for switching to x, weston etc.
//however, for whatever reason, it can be called only by root users.
//until things change, this is commented.
struct priv *p = vo->priv;
if (drmDropMaster(p->fd)) {
MP_WARN(vo, "Failed to drop DRM master: %s\n", mp_strerror(errno));
}
}
}
static void acquire_vt(void *data)
{
struct vo *vo = data;
if (USE_MASTER) {
struct priv *p = vo->priv;
if (drmSetMaster(p->fd)) {
MP_WARN(vo, "Failed to acquire DRM master: %s\n", mp_strerror(errno));
}
}
setup_vo_crtc(vo);
}
static int wait_events(struct vo *vo, int64_t until_time_us)
{
struct priv *p = vo->priv;
int64_t wait_us = until_time_us - mp_time_us();
int timeout_ms = MPCLAMP((wait_us + 500) / 1000, 0, 10000);
vt_switcher_poll(&p->vt_switcher, timeout_ms);
return 0;
}
static void wakeup(struct vo *vo)
{
struct priv *p = vo->priv;
vt_switcher_interrupt_poll(&p->vt_switcher);
}
static int reconfig(struct vo *vo, struct mp_image_params *params, int flags)
{
struct priv *p = vo->priv;
vo->dwidth = p->device_w;
vo->dheight = p->device_h;
vo_get_src_dst_rects(vo, &p->src, &p->dst, &p->osd);
int32_t w = p->dst.x1 - p->dst.x0;
int32_t h = p->dst.y1 - p->dst.y0;
// p->osd contains the parameters assuming OSD rendering in window
// coordinates, but OSD can only be rendered in the intersection
// between window and video rectangle (i.e. not into panscan borders).
p->osd.w = w;
p->osd.h = h;
p->osd.mt = MPMIN(0, p->osd.mt);
p->osd.mb = MPMIN(0, p->osd.mb);
p->osd.mr = MPMIN(0, p->osd.mr);
p->osd.ml = MPMIN(0, p->osd.ml);
p->x = (p->device_w - w) >> 1;
p->y = (p->device_h - h) >> 1;
mp_sws_set_from_cmdline(p->sws, vo->opts->sws_opts);
p->sws->src = *params;
p->sws->dst = (struct mp_image_params) {
.imgfmt = IMGFMT_BGR0,
.w = w,
.h = h,
.d_w = w,
.d_h = h,
};
talloc_free(p->cur_frame);
p->cur_frame = mp_image_alloc(IMGFMT_BGR0, p->device_w, p->device_h);
mp_image_params_guess_csp(&p->sws->dst);
mp_image_set_params(p->cur_frame, &p->sws->dst);
struct modeset_buf *buf = p->dev->bufs;
memset(buf[0].map, 0, buf[0].size);
memset(buf[1].map, 0, buf[1].size);
if (mp_sws_reinit(p->sws) < 0)
return -1;
vo->want_redraw = true;
return 0;
}
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
struct priv *p = vo->priv;
if (p->active) {
struct mp_image src = *mpi;
struct mp_rect src_rc = p->src;
src_rc.x0 = MP_ALIGN_DOWN(src_rc.x0, mpi->fmt.align_x);
src_rc.y0 = MP_ALIGN_DOWN(src_rc.y0, mpi->fmt.align_y);
mp_image_crop_rc(&src, src_rc);
mp_sws_scale(p->sws, p->cur_frame, &src);
osd_draw_on_image(vo->osd, p->osd, src.pts, 0, p->cur_frame);
struct modeset_buf *front_buf = &p->dev->bufs[p->dev->front_buf];
int32_t shift = (p->device_w * p->y + p->x) * 4;
memcpy_pic(front_buf->map + shift,
p->cur_frame->planes[0],
(p->dst.x1 - p->dst.x0) * 4,
p->dst.y1 - p->dst.y0,
p->device_w * 4,
p->cur_frame->stride[0]);
}
if (mpi != p->last_input) {
talloc_free(p->last_input);
p->last_input = mpi;
}
}
static void flip_page(struct vo *vo)
{
struct priv *p = vo->priv;
if (!p->active || p->pflip_happening)
return;
int ret = drmModePageFlip(p->fd, p->dev->crtc,
p->dev->bufs[p->dev->front_buf].fb,
DRM_MODE_PAGE_FLIP_EVENT, p);
if (ret) {
MP_WARN(vo, "Cannot flip page for connector\n");
} else {
p->dev->front_buf++;
p->dev->front_buf %= BUF_COUNT;
p->pflip_happening = true;
}
// poll page flip finish event
const int timeout_ms = 3000;
struct pollfd fds[1] = {
{ .events = POLLIN, .fd = p->fd },
};
poll(fds, 1, timeout_ms);
if (fds[0].revents & POLLIN) {
ret = drmHandleEvent(p->fd, &p->ev);
if (ret != 0) {
MP_ERR(vo, "drmHandleEvent failed: %i\n", ret);
return;
}
}
}
static void uninit(struct vo *vo)
{
struct priv *p = vo->priv;
if (p->dev) {
release_vo_crtc(vo);
modeset_destroy_fb(p->fd, &p->dev->bufs[1]);
modeset_destroy_fb(p->fd, &p->dev->bufs[0]);
drmModeFreeEncoder(p->dev->enc);
}
vt_switcher_destroy(&p->vt_switcher);
talloc_free(p->last_input);
talloc_free(p->cur_frame);
talloc_free(p->dev);
close(p->fd);
}
static int preinit(struct vo *vo)
{
struct priv *p = vo->priv;
p->sws = mp_sws_alloc(vo);
p->fd = -1;
p->ev.version = DRM_EVENT_CONTEXT_VERSION;
p->ev.page_flip_handler = modeset_page_flipped;
if (vt_switcher_init(&p->vt_switcher, vo->log))
goto err;
vt_switcher_acquire(&p->vt_switcher, acquire_vt, vo);
vt_switcher_release(&p->vt_switcher, release_vt, vo);
if (modeset_open(vo, &p->fd, p->device_path))
goto err;
if (modeset_prepare_dev(vo, p->fd, p->connector_id, &p->dev))
goto err;
assert(p->dev);
p->device_w = p->dev->bufs[0].width;
p->device_h = p->dev->bufs[0].height;
if (setup_vo_crtc(vo)) {
MP_ERR(vo, "Cannot set CRTC for connector %u: %s\n", p->connector_id,
mp_strerror(errno));
goto err;
}
return 0;
err:
uninit(vo);
return -1;
}
static int query_format(struct vo *vo, int format)
{
return sws_isSupportedInput(imgfmt2pixfmt(format));
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct priv *p = vo->priv;
switch (request) {
case VOCTRL_SCREENSHOT_WIN:
*(struct mp_image**)data = mp_image_new_copy(p->cur_frame);
return VO_TRUE;
case VOCTRL_REDRAW_FRAME:
draw_image(vo, p->last_input);
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
if (vo->config_ok)
reconfig(vo, vo->params, 0);
return VO_TRUE;
}
return VO_NOTIMPL;
}
#define OPT_BASE_STRUCT struct priv
const struct vo_driver video_out_drm = {
.name = "drm",
.description = "Direct Rendering Manager",
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.draw_image = draw_image,
.flip_page = flip_page,
.uninit = uninit,
.wait_events = wait_events,
.wakeup = wakeup,
.priv_size = sizeof(struct priv),
.options = (const struct m_option[]) {
OPT_STRING("devpath", device_path, 0),
OPT_INT("connector", connector_id, 0),
{0},
},
.priv_defaults = &(const struct priv) {
static int render_video_to_output_surface(struct vo *vo,
VdpOutputSurface output_surface,
VdpRect *output_rect,
VdpRect *video_rect)
{
struct vdpctx *vc = vo->priv;
struct vdp_functions *vdp = vc->vdp;
VdpTime dummy;
VdpStatus vdp_st;
struct mp_image *mpi = vc->current_image;
if (!mpi) {
// At least clear the screen if there is nothing to render
int flags = VDP_OUTPUT_SURFACE_RENDER_ROTATE_0;
vdp_st = vdp->output_surface_render_output_surface(output_surface,
NULL, vc->black_pixel,
NULL, NULL, NULL,
flags);
return -1;
}
vdp_st = vdp->presentation_queue_block_until_surface_idle(vc->flip_queue,
output_surface,
&dummy);
CHECK_VDP_WARNING(vo, "Error when calling "
"vdp_presentation_queue_block_until_surface_idle");
if (vc->rgb_mode) {
VdpOutputSurface surface = (uintptr_t)mpi->planes[3];
int flags = VDP_OUTPUT_SURFACE_RENDER_ROTATE_0;
vdp_st = vdp->output_surface_render_output_surface(output_surface,
NULL, vc->black_pixel,
NULL, NULL, NULL,
flags);
CHECK_VDP_WARNING(vo, "Error clearing screen");
vdp_st = vdp->output_surface_render_output_surface(output_surface,
output_rect,
surface,
video_rect,
NULL, NULL, flags);
CHECK_VDP_WARNING(vo, "Error when calling "
"vdp_output_surface_render_output_surface");
return 0;
}
struct mp_vdpau_mixer_frame *frame = mp_vdpau_mixed_frame_get(mpi);
struct mp_vdpau_mixer_opts opts = {0};
if (frame)
opts = frame->opts;
// Apply custom vo_vdpau suboptions.
opts.chroma_deint |= vc->chroma_deint;
opts.pullup |= vc->pullup;
opts.denoise = MPCLAMP(opts.denoise + vc->denoise, 0, 1);
opts.sharpen = MPCLAMP(opts.sharpen + vc->sharpen, -1, 1);
if (vc->hqscaling)
opts.hqscaling = vc->hqscaling;
mp_vdpau_mixer_render(vc->video_mixer, &opts, output_surface, output_rect,
mpi, video_rect);
return 0;
}
void write_video(struct MPContext *mpctx, double endpts)
{
struct MPOpts *opts = mpctx->opts;
struct vo *vo = mpctx->video_out;
if (!mpctx->d_video)
return;
update_fps(mpctx);
// Whether there's still at least 1 video frame that can be shown.
// If false, it means we can reconfig the VO if needed (normally, this
// would disrupt playback, so only do it on !still_playing).
bool still_playing = vo_has_next_frame(vo, true);
// For the last frame case (frame is being displayed).
still_playing |= mpctx->playing_last_frame;
still_playing |= mpctx->last_frame_duration > 0;
double frame_time = 0;
int r = update_video(mpctx, endpts, !still_playing, &frame_time);
MP_TRACE(mpctx, "update_video: %d (still_playing=%d)\n", r, still_playing);
if (r == VD_WAIT) // Demuxer will wake us up for more packets to decode.
return;
if (r < 0) {
MP_FATAL(mpctx, "Could not initialize video chain.\n");
int uninit = INITIALIZED_VCODEC;
if (!opts->force_vo)
uninit |= INITIALIZED_VO;
uninit_player(mpctx, uninit);
if (!mpctx->current_track[STREAM_AUDIO])
mpctx->stop_play = PT_NEXT_ENTRY;
mpctx->error_playing = true;
handle_force_window(mpctx, true);
return; // restart loop
}
if (r == VD_EOF) {
if (!mpctx->playing_last_frame && mpctx->last_frame_duration > 0) {
mpctx->time_frame += mpctx->last_frame_duration;
mpctx->last_frame_duration = 0;
mpctx->playing_last_frame = true;
MP_VERBOSE(mpctx, "showing last frame\n");
}
}
if (r == VD_NEW_FRAME) {
MP_TRACE(mpctx, "frametime=%5.3f\n", frame_time);
if (mpctx->video_status > STATUS_PLAYING)
mpctx->video_status = STATUS_PLAYING;
if (mpctx->video_status >= STATUS_READY) {
mpctx->time_frame += frame_time / opts->playback_speed;
adjust_sync(mpctx, frame_time);
}
} else if (r == VD_EOF && mpctx->playing_last_frame) {
// Let video timing code continue displaying.
mpctx->video_status = STATUS_DRAINING;
MP_VERBOSE(mpctx, "still showing last frame\n");
} else if (r <= 0) {
// EOF or error
mpctx->delay = 0;
mpctx->last_av_difference = 0;
mpctx->video_status = STATUS_EOF;
MP_VERBOSE(mpctx, "video EOF\n");
return;
} else {
if (mpctx->video_status > STATUS_PLAYING)
mpctx->video_status = STATUS_PLAYING;
// Decode more in next iteration.
mpctx->sleeptime = 0;
MP_TRACE(mpctx, "filtering more video\n");
}
// Actual playback starts when both audio and video are ready.
if (mpctx->video_status == STATUS_READY)
return;
if (mpctx->paused && mpctx->video_status >= STATUS_READY)
return;
mpctx->time_frame -= get_relative_time(mpctx);
double audio_pts = playing_audio_pts(mpctx);
if (!mpctx->sync_audio_to_video || mpctx->video_status < STATUS_READY) {
mpctx->time_frame = 0;
} else if (mpctx->audio_status == STATUS_PLAYING &&
mpctx->video_status == STATUS_PLAYING)
{
double buffered_audio = ao_get_delay(mpctx->ao);
MP_TRACE(mpctx, "audio delay=%f\n", buffered_audio);
if (opts->autosync) {
/* Smooth reported playback position from AO by averaging
* it with the value expected based on previus value and
* time elapsed since then. May help smooth video timing
* with audio output that have inaccurate position reporting.
* This is badly implemented; the behavior of the smoothing
* now undesirably depends on how often this code runs
* (mainly depends on video frame rate). */
float predicted = (mpctx->delay / opts->playback_speed +
mpctx->time_frame);
float difference = buffered_audio - predicted;
buffered_audio = predicted + difference / opts->autosync;
}
mpctx->time_frame = (buffered_audio -
mpctx->delay / opts->playback_speed);
} else {
/* If we're more than 200 ms behind the right playback
* position, don't try to speed up display of following
* frames to catch up; continue with default speed from
* the current frame instead.
* If untimed is set always output frames immediately
* without sleeping.
*/
if (mpctx->time_frame < -0.2 || opts->untimed || vo->untimed)
mpctx->time_frame = 0;
}
double vsleep = mpctx->time_frame - vo->flip_queue_offset;
if (vsleep > 0.050) {
mpctx->sleeptime = MPMIN(mpctx->sleeptime, vsleep - 0.040);
return;
}
mpctx->sleeptime = 0;
mpctx->playing_last_frame = false;
// last frame case
if (r != VD_NEW_FRAME)
return;
//=================== FLIP PAGE (VIDEO BLT): ======================
mpctx->video_pts = mpctx->video_next_pts;
mpctx->last_vo_pts = mpctx->video_pts;
mpctx->playback_pts = mpctx->video_pts;
update_subtitles(mpctx);
update_osd_msg(mpctx);
MP_STATS(mpctx, "vo draw frame");
vo_new_frame_imminent(vo);
MP_STATS(mpctx, "vo sleep");
mpctx->time_frame -= get_relative_time(mpctx);
mpctx->time_frame -= vo->flip_queue_offset;
if (mpctx->time_frame > 0.001)
mpctx->time_frame = timing_sleep(mpctx, mpctx->time_frame);
mpctx->time_frame += vo->flip_queue_offset;
int64_t t2 = mp_time_us();
/* Playing with playback speed it's possible to get pathological
* cases with mpctx->time_frame negative enough to cause an
* overflow in pts_us calculation, thus the MPMAX. */
double time_frame = MPMAX(mpctx->time_frame, -1);
int64_t pts_us = mpctx->last_time + time_frame * 1e6;
int duration = -1;
double pts2 = vo_get_next_pts(vo, 0); // this is the next frame PTS
if (mpctx->video_pts != MP_NOPTS_VALUE && pts2 == MP_NOPTS_VALUE) {
// Make up a frame duration. Using the frame rate is not a good
// choice, since the frame rate could be unset/broken/random.
float fps = mpctx->d_video->fps;
double frame_duration = fps > 0 ? 1.0 / fps : 0;
pts2 = mpctx->video_pts + MPCLAMP(frame_duration, 0.0, 5.0);
}
if (pts2 != MP_NOPTS_VALUE) {
// expected A/V sync correction is ignored
double diff = (pts2 - mpctx->video_pts);
diff /= opts->playback_speed;
if (mpctx->time_frame < 0)
diff += mpctx->time_frame;
if (diff < 0)
diff = 0;
if (diff > 10)
diff = 10;
duration = diff * 1e6;
mpctx->last_frame_duration = diff;
}
if (mpctx->video_status != STATUS_PLAYING)
duration = -1;
MP_STATS(mpctx, "start flip");
vo_flip_page(vo, pts_us | 1, duration);
MP_STATS(mpctx, "end flip");
if (audio_pts != MP_NOPTS_VALUE)
MP_STATS(mpctx, "value %f ptsdiff", mpctx->video_pts - audio_pts);
mpctx->last_vo_flip_duration = (mp_time_us() - t2) * 0.000001;
if (vo->driver->flip_page_timed) {
// No need to adjust sync based on flip speed
mpctx->last_vo_flip_duration = 0;
// For print_status - VO call finishing early is OK for sync
mpctx->time_frame -= get_relative_time(mpctx);
}
mpctx->shown_vframes++;
if (mpctx->video_status < STATUS_PLAYING)
mpctx->video_status = STATUS_READY;
update_avsync(mpctx);
screenshot_flip(mpctx);
mp_notify(mpctx, MPV_EVENT_TICK, NULL);
if (!mpctx->sync_audio_to_video)
mpctx->video_status = STATUS_EOF;
}
void write_video(struct MPContext *mpctx, double endpts)
{
struct MPOpts *opts = mpctx->opts;
struct vo *vo = mpctx->video_out;
if (!mpctx->d_video)
return;
// Actual playback starts when both audio and video are ready.
if (mpctx->video_status == STATUS_READY)
return;
if (mpctx->paused && mpctx->video_status >= STATUS_READY)
return;
update_fps(mpctx);
int r = video_output_image(mpctx, endpts);
MP_TRACE(mpctx, "video_output_image: %d\n", r);
if (r < 0)
goto error;
if (r == VD_WAIT) // Demuxer will wake us up for more packets to decode.
return;
if (r == VD_EOF) {
mpctx->video_status =
vo_still_displaying(vo) ? STATUS_DRAINING : STATUS_EOF;
mpctx->delay = 0;
mpctx->last_av_difference = 0;
MP_VERBOSE(mpctx, "video EOF (status=%d)\n", mpctx->video_status);
return;
}
if (mpctx->video_status > STATUS_PLAYING)
mpctx->video_status = STATUS_PLAYING;
mpctx->time_frame -= get_relative_time(mpctx);
update_avsync_before_frame(mpctx);
if (r != VD_NEW_FRAME) {
mpctx->sleeptime = 0; // Decode more in next iteration.
return;
}
// Filter output is different from VO input?
struct mp_image_params p = mpctx->next_frame[0]->params;
if (!vo->params || !mp_image_params_equal(&p, vo->params)) {
// Changing config deletes the current frame; wait until it's finished.
if (vo_still_displaying(vo))
return;
const struct vo_driver *info = mpctx->video_out->driver;
MP_INFO(mpctx, "VO: [%s] %dx%d => %dx%d %s\n",
info->name, p.w, p.h, p.d_w, p.d_h, vo_format_name(p.imgfmt));
MP_VERBOSE(mpctx, "VO: Description: %s\n", info->description);
int vo_r = vo_reconfig(vo, &p, 0);
if (vo_r < 0)
goto error;
init_vo(mpctx);
mpctx->time_frame = 0; // display immediately
}
double time_frame = MPMAX(mpctx->time_frame, -1);
int64_t pts = mp_time_us() + (int64_t)(time_frame * 1e6);
if (!vo_is_ready_for_frame(vo, pts))
return; // wait until VO wakes us up to get more frames
int64_t duration = -1;
double diff = -1;
double vpts0 = mpctx->next_frame[0] ? mpctx->next_frame[0]->pts : MP_NOPTS_VALUE;
double vpts1 = mpctx->next_frame[1] ? mpctx->next_frame[1]->pts : MP_NOPTS_VALUE;
if (vpts0 != MP_NOPTS_VALUE && vpts1 != MP_NOPTS_VALUE)
diff = vpts1 - vpts0;
if (diff < 0 && mpctx->d_video->fps > 0)
diff = 1.0 / mpctx->d_video->fps; // fallback to demuxer-reported fps
if (diff >= 0) {
// expected A/V sync correction is ignored
diff /= opts->playback_speed;
if (mpctx->time_frame < 0)
diff += mpctx->time_frame;
duration = MPCLAMP(diff, 0, 10) * 1e6;
}
mpctx->video_pts = mpctx->next_frame[0]->pts;
mpctx->last_vo_pts = mpctx->video_pts;
mpctx->playback_pts = mpctx->video_pts;
mpctx->osd_force_update = true;
update_osd_msg(mpctx);
update_subtitles(mpctx);
vo_queue_frame(vo, mpctx->next_frame[0], pts, duration);
mpctx->next_frame[0] = NULL;
mpctx->shown_vframes++;
if (mpctx->video_status < STATUS_PLAYING) {
mpctx->video_status = STATUS_READY;
// After a seek, make sure to wait until the first frame is visible.
vo_wait_frame(vo);
}
update_avsync_after_frame(mpctx);
screenshot_flip(mpctx);
mp_notify(mpctx, MPV_EVENT_TICK, NULL);
if (!mpctx->sync_audio_to_video)
mpctx->video_status = STATUS_EOF;
if (mpctx->video_status != STATUS_EOF) {
if (mpctx->step_frames > 0) {
mpctx->step_frames--;
if (!mpctx->step_frames && !opts->pause)
pause_player(mpctx);
}
if (mpctx->max_frames == 0)
mpctx->stop_play = PT_NEXT_ENTRY;
if (mpctx->max_frames > 0)
mpctx->max_frames--;
}
mpctx->sleeptime = 0;
return;
error:
MP_FATAL(mpctx, "Could not initialize video chain.\n");
int uninit = INITIALIZED_VCODEC;
if (!opts->force_vo)
uninit |= INITIALIZED_VO;
uninit_player(mpctx, uninit);
if (!mpctx->current_track[STREAM_AUDIO])
mpctx->stop_play = PT_NEXT_ENTRY;
mpctx->error_playing = true;
handle_force_window(mpctx, true);
mpctx->sleeptime = 0;
}
void write_video(struct MPContext *mpctx, double endpts)
{
struct MPOpts *opts = mpctx->opts;
struct vo *vo = mpctx->video_out;
if (!mpctx->d_video)
return;
// Actual playback starts when both audio and video are ready.
if (mpctx->video_status == STATUS_READY)
return;
if (mpctx->paused && mpctx->video_status >= STATUS_READY)
return;
int r = video_output_image(mpctx, endpts);
MP_TRACE(mpctx, "video_output_image: %d\n", r);
if (r < 0)
goto error;
if (r == VD_WAIT) // Demuxer will wake us up for more packets to decode.
return;
if (r == VD_EOF) {
mpctx->video_status =
vo_still_displaying(vo) ? STATUS_DRAINING : STATUS_EOF;
mpctx->delay = 0;
mpctx->last_av_difference = 0;
MP_DBG(mpctx, "video EOF (status=%d)\n", mpctx->video_status);
return;
}
if (mpctx->video_status > STATUS_PLAYING)
mpctx->video_status = STATUS_PLAYING;
if (r != VD_NEW_FRAME) {
mpctx->sleeptime = 0; // Decode more in next iteration.
return;
}
// Filter output is different from VO input?
struct mp_image_params p = mpctx->next_frames[0]->params;
if (!vo->params || !mp_image_params_equal(&p, vo->params)) {
// Changing config deletes the current frame; wait until it's finished.
if (vo_still_displaying(vo))
return;
const struct vo_driver *info = mpctx->video_out->driver;
char extra[20] = {0};
if (p.w != p.d_w || p.h != p.d_h)
snprintf(extra, sizeof(extra), " => %dx%d", p.d_w, p.d_h);
MP_INFO(mpctx, "VO: [%s] %dx%d%s %s\n",
info->name, p.w, p.h, extra, vo_format_name(p.imgfmt));
MP_VERBOSE(mpctx, "VO: Description: %s\n", info->description);
int vo_r = vo_reconfig(vo, &p, 0);
if (vo_r < 0) {
mpctx->error_playing = MPV_ERROR_VO_INIT_FAILED;
goto error;
}
init_vo(mpctx);
}
mpctx->time_frame -= get_relative_time(mpctx);
update_avsync_before_frame(mpctx);
double time_frame = MPMAX(mpctx->time_frame, -1);
int64_t pts = mp_time_us() + (int64_t)(time_frame * 1e6);
// wait until VO wakes us up to get more frames
if (!vo_is_ready_for_frame(vo, pts)) {
if (video_feed_async_filter(mpctx) < 0)
goto error;
return;
}
assert(mpctx->num_next_frames >= 1);
struct vo_frame dummy = {
.pts = pts,
.duration = -1,
.num_frames = mpctx->num_next_frames,
};
for (int n = 0; n < dummy.num_frames; n++)
dummy.frames[n] = mpctx->next_frames[n];
struct vo_frame *frame = vo_frame_ref(&dummy);
double diff = -1;
double vpts0 = mpctx->next_frames[0]->pts;
double vpts1 = MP_NOPTS_VALUE;
if (mpctx->num_next_frames >= 2)
vpts1 = mpctx->next_frames[1]->pts;
if (vpts0 != MP_NOPTS_VALUE && vpts1 != MP_NOPTS_VALUE)
diff = vpts1 - vpts0;
if (diff < 0 && mpctx->d_video->fps > 0)
diff = 1.0 / mpctx->d_video->fps; // fallback to demuxer-reported fps
if (opts->untimed || vo->driver->untimed)
diff = -1; // disable frame dropping and aspects of frame timing
if (diff >= 0) {
// expected A/V sync correction is ignored
diff /= opts->playback_speed;
if (mpctx->time_frame < 0)
diff += mpctx->time_frame;
frame->duration = MPCLAMP(diff, 0, 10) * 1e6;
}
mpctx->video_pts = mpctx->next_frames[0]->pts;
mpctx->last_vo_pts = mpctx->video_pts;
mpctx->playback_pts = mpctx->video_pts;
update_avsync_after_frame(mpctx);
mpctx->osd_force_update = true;
update_osd_msg(mpctx);
update_subtitles(mpctx);
vo_queue_frame(vo, frame);
shift_frames(mpctx);
// The frames were shifted down; "initialize" the new first entry.
if (mpctx->num_next_frames >= 1)
handle_new_frame(mpctx);
mpctx->shown_vframes++;
if (mpctx->video_status < STATUS_PLAYING) {
mpctx->video_status = STATUS_READY;
// After a seek, make sure to wait until the first frame is visible.
vo_wait_frame(vo);
MP_VERBOSE(mpctx, "first video frame after restart shown\n");
}
screenshot_flip(mpctx);
mp_notify(mpctx, MPV_EVENT_TICK, NULL);
if (!mpctx->sync_audio_to_video)
mpctx->video_status = STATUS_EOF;
if (mpctx->video_status != STATUS_EOF) {
if (mpctx->step_frames > 0) {
mpctx->step_frames--;
if (!mpctx->step_frames && !opts->pause)
pause_player(mpctx);
}
if (mpctx->max_frames == 0 && !mpctx->stop_play)
mpctx->stop_play = AT_END_OF_FILE;
if (mpctx->max_frames > 0)
mpctx->max_frames--;
}
mpctx->sleeptime = 0;
return;
error:
MP_FATAL(mpctx, "Could not initialize video chain.\n");
uninit_video_chain(mpctx);
error_on_track(mpctx, mpctx->current_track[STREAM_VIDEO][0]);
handle_force_window(mpctx, true);
mpctx->sleeptime = 0;
}
// Runs in the cache thread.
// Returns true if reading was attempted, and the mutex was shortly unlocked.
static bool cache_fill(struct priv *s)
{
int64_t read = s->read_filepos;
int len = 0;
// drop cache contents only if seeking backward or too much fwd.
// This is also done for on-disk files, since it loses the backseek cache.
// That in turn can cause major bandwidth increase and performance
// issues with e.g. mov or badly interleaved files
if (read < s->min_filepos || read > s->max_filepos + s->seek_limit) {
MP_VERBOSE(s, "Dropping cache at pos %"PRId64", "
"cached range: %"PRId64"-%"PRId64".\n", read,
s->min_filepos, s->max_filepos);
cache_drop_contents(s);
}
if (stream_tell(s->stream) != s->max_filepos && s->seekable) {
MP_VERBOSE(s, "Seeking underlying stream: %"PRId64" -> %"PRId64"\n",
stream_tell(s->stream), s->max_filepos);
stream_seek(s->stream, s->max_filepos);
if (stream_tell(s->stream) != s->max_filepos)
goto done;
}
if (mp_cancel_test(s->cache->cancel))
goto done;
// number of buffer bytes which should be preserved in backwards direction
int64_t back = MPCLAMP(read - s->min_filepos, 0, s->back_size);
// limit maximum readahead so that the backbuffer space is reserved, even
// if the backbuffer is not used. limit it to ensure that we don't stall the
// network when starting a file, or we wouldn't download new data until we
// get new free space again. (unless everything fits in the cache.)
if (s->stream_size > s->buffer_size)
back = MPMAX(back, s->back_size);
// number of buffer bytes that are valid and can be read
int64_t newb = FFMAX(s->max_filepos - read, 0);
// max. number of bytes that can be written (starting from max_filepos)
int64_t space = s->buffer_size - (newb + back);
// offset into the buffer that maps to max_filepos
int64_t pos = s->max_filepos - s->offset;
if (pos >= s->buffer_size)
pos -= s->buffer_size; // wrap-around
if (space < FILL_LIMIT) {
s->idle = true;
s->reads++; // don't stuck main thread
return false;
}
// limit to end of buffer (without wrapping)
if (pos + space >= s->buffer_size)
space = s->buffer_size - pos;
// limit read size (or else would block and read the entire buffer in 1 call)
space = FFMIN(space, s->stream->read_chunk);
// back+newb+space <= buffer_size
int64_t back2 = s->buffer_size - (space + newb); // max back size
if (s->min_filepos < (read - back2))
s->min_filepos = read - back2;
// The read call might take a long time and block, so drop the lock.
pthread_mutex_unlock(&s->mutex);
len = stream_read_partial(s->stream, &s->buffer[pos], space);
pthread_mutex_lock(&s->mutex);
// Do this after reading a block, because at least libdvdnav updates the
// stream position only after actually reading something after a seek.
if (s->start_pts == MP_NOPTS_VALUE) {
double pts;
if (stream_control(s->stream, STREAM_CTRL_GET_CURRENT_TIME, &pts) > 0)
s->start_pts = pts;
}
s->max_filepos += len;
if (pos + len == s->buffer_size)
s->offset += s->buffer_size; // wrap...
done:
s->eof = len <= 0;
s->idle = s->eof;
s->reads++;
if (s->eof) {
s->eof_pos = stream_tell(s->stream);
MP_TRACE(s, "EOF reached.\n");
}
pthread_cond_signal(&s->wakeup);
return true;
}