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video.c
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video.c
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/// Copyright (C) 2009 - 2015 by Johns. All Rights Reserved.
/// Copyright (C) 2018 by pesintta, rofafor.
///
/// SPDX-License-Identifier: AGPL-3.0-only
///
/// This module contains all video rendering functions.
///
/// Uses Xlib where it is needed for VA-API. XCB is used for
/// everything else.
///
#ifndef AV_INFO_TIME
#define AV_INFO_TIME (50 * 60) ///< a/v info every minute
#endif
#include <sys/time.h>
#include <sys/shm.h>
#include <sys/ipc.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#ifndef __USE_GNU
#define __USE_GNU
#include <pthread.h>
#include <time.h>
#include <signal.h>
#endif
#include <X11/Xlib-xcb.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <xcb/xcb.h>
#include <xcb/screensaver.h>
#include <xcb/dpms.h>
#include <xcb/xcb_icccm.h>
#include <xcb/xcb_ewmh.h>
#include <va/va_x11.h>
#if !VA_CHECK_VERSION(1,0,0)
#warning "libva is too old - please, upgrade!"
#define VA_FOURCC_I420 VA_FOURCC('I', '4', '2', '0')
#endif
#include <va/va_vpp.h>
#include <libavcodec/avcodec.h>
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57,64,100)
#error "libavcodec is too old - please, upgrade!"
#endif
#include <libswscale/swscale.h>
#include <libavcodec/vaapi.h>
#include <libavutil/imgutils.h>
#include <libavutil/pixdesc.h>
#include <libavutil/hwcontext.h>
#include <libavutil/hwcontext_vaapi.h>
#include "iatomic.h" // portable atomic_t
#include "misc.h"
#include "video.h"
#include "audio.h"
#include "codec.h"
#define ARRAY_ELEMS(array) (sizeof(array)/sizeof(array[0]))
#define TO_AVHW_DEVICE_CTX(x) ((AVHWDeviceContext*)x->data)
#define TO_AVHW_FRAMES_CTX(x) ((AVHWFramesContext*)x->data)
#define TO_VAAPI_DEVICE_CTX(x) ((AVVAAPIDeviceContext*)TO_AVHW_DEVICE_CTX(x)->hwctx)
#define TO_VAAPI_FRAMES_CTX(x) ((AVVAAPIFramesContext*)TO_AVHW_FRAMES_CTX(x)->hwctx)
//----------------------------------------------------------------------------
// Declarations
//----------------------------------------------------------------------------
///
/// Video resolutions selector.
///
typedef enum _video_resolutions_
{
VideoResolution576i, ///< ...x576 interlaced
VideoResolution720p, ///< ...x720 progressive
VideoResolutionFake1080i, ///< 1280x1080 1440x1080 interlaced
VideoResolution1080i, ///< 1920x1080 interlaced
VideoResolutionUHD, ///< UHD progressive
VideoResolutionMax ///< number of resolution indexs
} VideoResolutions;
///
/// Video scaling modes.
///
typedef enum _video_scaling_modes_
{
VideoScalingNormal, ///< normal scaling
VideoScalingFast, ///< fastest scaling
VideoScalingHQ, ///< high quality scaling
VideoScalingAnamorphic, ///< anamorphic scaling
} VideoScalingModes;
///
/// Video zoom modes.
///
typedef enum _video_zoom_modes_
{
VideoNormal, ///< normal
VideoStretch, ///< stretch to all edges
VideoCenterCutOut, ///< center and cut out
VideoAnamorphic, ///< anamorphic scaled (unsupported)
} VideoZoomModes;
///
/// Video color space conversions.
///
typedef enum _video_color_space_
{
VideoColorSpaceNone, ///< no conversion
VideoColorSpaceBt601, ///< ITU.BT-601 Y'CbCr
VideoColorSpaceBt709, ///< ITU.BT-709 HDTV Y'CbCr
VideoColorSpaceSmpte240 ///< SMPTE-240M Y'PbPr
} VideoColorSpace;
///
/// Video output module structure and typedef.
///
typedef struct _video_module_
{
const char *Name; ///< video output module name
char Enabled; ///< flag output module enabled
/// allocate new video hw decoder
VideoHwDecoder *(*const NewHwDecoder)(VideoStream *);
void (*const DelHwDecoder) (VideoHwDecoder *);
unsigned (*const GetSurface) (VideoHwDecoder *, const AVCodecContext *);
void (*const ReleaseSurface) (VideoHwDecoder *, unsigned);
enum AVPixelFormat (*const get_format) (VideoHwDecoder *, AVCodecContext *, const enum AVPixelFormat *);
void (*const RenderFrame) (VideoHwDecoder *, const AVCodecContext *, const AVFrame *);
void (*const SetClock) (VideoHwDecoder *, int64_t);
int64_t(*const GetClock) (const VideoHwDecoder *);
void (*const SetClosing) (const VideoHwDecoder *);
void (*const ResetStart) (const VideoHwDecoder *);
void (*const SetTrickSpeed) (const VideoHwDecoder *, int);
uint8_t *(*const GrabOutput)(int *, int *, int *);
void (*const GetStats) (VideoHwDecoder *, int *, int *, int *, int *);
void (*const SetBackground) (uint32_t);
void (*const SetVideoMode) (void);
void (*const ResetAutoCrop) (void);
/// module display handler thread
void (*const DisplayHandlerThread) (void);
void (*const OsdClear) (void); ///< clear OSD
/// draw OSD ARGB area
void (*const OsdDrawARGB) (int, int, int, int, int, const uint8_t *, int, int);
void (*const OsdInit) (int, int); ///< initialize OSD
void (*const OsdExit) (void); ///< cleanup OSD
int (*const Init) (const char *); ///< initialize video output module
void (*const Exit) (void); ///< cleanup video output module
} VideoModule;
///
/// Video configuration values typedef.
///
typedef struct _video_config_values_
{
int active;
float min_value;
float max_value;
float def_value;
float step;
float scale; // scale is normalized to match UI requirements
float drv_scale; // re-normalizing requires the original scale required for latching data to the driver
} VideoConfigValues;
//----------------------------------------------------------------------------
// Defines
//----------------------------------------------------------------------------
#define VIDEO_SURFACES_MAX 4 ///< video output surfaces for queue
#define POSTPROC_SURFACES_MAX 8 ///< video postprocessing surfaces for queue
//----------------------------------------------------------------------------
// Variables
//----------------------------------------------------------------------------
// Brightness (-100.00 - 100.00 ++ 1.00 = 0.00)
static VideoConfigValues VaapiConfigBrightness = {.active = 0,.min_value = -100.0,.max_value = 100.0,.def_value =
0.0,.step = 1.0,.scale = 1.0,.drv_scale = 1.0
};
// Contrast (0.00 - 10.00 ++ 0.10 = 1.00)
static VideoConfigValues VaapiConfigContrast = {.active = 0,.min_value = 0.0,.max_value = 10.0,.def_value = 1.0,.step =
0.1,.scale = 1.0,.drv_scale = 1.0
};
// Saturation (0.00 - 10.00 ++ 0.10 = 1.00)
static VideoConfigValues VaapiConfigSaturation = {.active = 0,.min_value = 0.0,.max_value = 10.0,.def_value =
1.0,.step = 0.1,.scale = 1.0,.drv_scale = 1.0
};
// Hue (-180.00 - 180.00 ++ 1.00 = 0.00)
static VideoConfigValues VaapiConfigHue = {.active = 0,.min_value = -180.0,.max_value = 180.0,.def_value = 0.0,.step =
1.0,.scale = 1.0,.drv_scale = 1.0
};
// Denoise (0.00 - 1.00 ++ 0.03 = 0.50)
static VideoConfigValues VaapiConfigDenoise = {.active = 0,.min_value = 0.0,.max_value = 1.0,.def_value = 0.5,.step =
0.03,.scale = 1.0,.drv_scale = 1.0
};
// Sharpen (0.00 - 1.00 ++ 0.03 = 0.50)
static VideoConfigValues VaapiConfigSharpen = {.active = 0,.min_value = 0.0,.max_value = 1.0,.def_value = 0.5,.step =
0.03,.scale = 1.0,.drv_scale = 1.0
};
static VideoConfigValues VaapiConfigStde = {.active = 1,.min_value = 0.0,.max_value = 4.0,.def_value = 0.0,.step =
1.0,.scale = 1.0,.drv_scale = 1.0
};
char VideoIgnoreRepeatPict; ///< disable repeat pict warning
static const char *VideoDriverName = "va-api"; ///< video output device - default to va-api
static Display *XlibDisplay; ///< Xlib X11 display
static xcb_connection_t *Connection; ///< xcb connection
static xcb_colormap_t VideoColormap; ///< video colormap
static xcb_window_t VideoWindow; ///< video window
static xcb_screen_t const *VideoScreen; ///< video screen
static uint32_t VideoBlankTick; ///< blank cursor timer
static xcb_pixmap_t VideoCursorPixmap; ///< blank curosr pixmap
static xcb_cursor_t VideoBlankCursor; ///< empty invisible cursor
static int VideoWindowX; ///< video output window x coordinate
static int VideoWindowY; ///< video outout window y coordinate
static unsigned VideoWindowWidth; ///< video output window width
static unsigned VideoWindowHeight; ///< video output window height
static const VideoModule NoopModule; ///< forward definition of noop module
/// selected video module
static const VideoModule *VideoUsedModule = &NoopModule;
static char VideoSurfaceModesChanged; ///< flag surface modes changed
static uint32_t VideoBackground; ///< video background color
static char VideoStudioLevels; ///< flag use studio levels
/// Default skin tone enhancement mode.
static int VideoSkinToneEnhancement = 0;
/// Default deinterlace mode.
static VAProcDeinterlacingType VideoDeinterlace[VideoResolutionMax];
/// Default amount of noise reduction algorithm to apply (0 .. 1000).
static int VideoDenoise[VideoResolutionMax];
/// Default amount of sharpening, or blurring, to apply (-1000 .. 1000).
static int VideoSharpen[VideoResolutionMax];
/// Default cut top and bottom in pixels
static int VideoCutTopBottom[VideoResolutionMax];
/// Default cut left and right in pixels
static int VideoCutLeftRight[VideoResolutionMax];
/// Color space ITU-R BT.601, ITU-R BT.709, ...
static const VideoColorSpace VideoColorSpaces[VideoResolutionMax] = {
VideoColorSpaceBt601, VideoColorSpaceBt709, VideoColorSpaceBt709,
VideoColorSpaceBt709, VideoColorSpaceBt709
};
/// Default scaling mode
static VideoScalingModes VideoScaling[VideoResolutionMax];
/// Default audio/video delay
int VideoAudioDelay;
/// Default zoom mode for 4:3
static VideoZoomModes Video4to3ZoomMode;
/// Default zoom mode for 16:9 and others
static VideoZoomModes VideoOtherZoomMode;
static char Video60HzMode; ///< handle 60hz displays
static char VideoSoftStartSync; ///< soft start sync audio/video
static const int VideoSoftStartFrames = 100; ///< soft start frames
static xcb_atom_t WmDeleteWindowAtom; ///< WM delete message atom
static xcb_atom_t NetWmState; ///< wm-state message atom
static xcb_atom_t NetWmStateFullscreen; ///< fullscreen wm-state message atom
#ifdef DEBUG
extern uint32_t VideoSwitch; ///< ticks for channel switch
#endif
extern void AudioVideoReady(int64_t); ///< tell audio video is ready
extern int IsReplay(void);
static pthread_t VideoThread; ///< video decode thread
static pthread_cond_t VideoWakeupCond; ///< wakeup condition variable
static pthread_mutex_t VideoMutex; ///< video condition mutex
static pthread_mutex_t VideoLockMutex; ///< video lock mutex
extern pthread_mutex_t PTS_mutex; ///< PTS mutex
extern pthread_mutex_t ReadAdvance_mutex; ///< PTS mutex
static char OsdShown; ///< flag show osd
static int OsdDirtyX; ///< osd dirty area x
static int OsdDirtyY; ///< osd dirty area y
static int OsdDirtyWidth; ///< osd dirty area width
static int OsdDirtyHeight; ///< osd dirty area height
static int64_t VideoDeltaPTS; ///< FIXME: fix pts
static char DPMSDisabled; ///< flag we have disabled dpms
uint32_t mutex_start_time;
uint32_t max_mutex_delay = 1;
//----------------------------------------------------------------------------
// Common Functions
//----------------------------------------------------------------------------
static void VideoThreadLock(void); ///< lock video thread
static void VideoThreadUnlock(void); ///< unlock video thread
static void VideoThreadExit(void); ///< exit/kill video thread
static void X11SuspendScreenSaver(xcb_connection_t *, int);
static int X11HaveDPMS(xcb_connection_t *);
static void X11DPMSReenable(xcb_connection_t *);
static void X11DPMSDisable(xcb_connection_t *);
///
/// Update video pts.
///
/// @param pts_p pointer to pts
/// @param interlaced interlaced flag (frame isn't right)
/// @param frame frame to display
///
/// @note frame->interlaced_frame can't be used for interlace detection
///
static void VideoSetPts(int64_t * pts_p, int interlaced, const AVCodecContext * video_ctx, const AVFrame * frame)
{
int64_t pts;
int duration;
//
// Get duration for this frame.
// FIXME: using framerate as workaround for av_frame_get_pkt_duration
//
if (video_ctx->framerate.num && video_ctx->framerate.den) {
duration = 1000 * video_ctx->framerate.den / video_ctx->framerate.num;
} else {
duration = interlaced ? 40 : 20; // 50Hz -> 20ms default
}
Debug8("video: %d/%d %" PRIx64 " -> %d", video_ctx->framerate.den, video_ctx->framerate.num,
av_frame_get_pkt_duration(frame), duration);
// update video clock
if (*pts_p != (int64_t) AV_NOPTS_VALUE) {
*pts_p += duration * 90;
//Info("video: %s +pts", Timestamp2String(*pts_p));
}
//av_opt_ptr(avcodec_get_frame_class(), frame, "best_effort_timestamp");
//pts = frame->best_effort_timestamp;
pts = frame->pts;
if (pts == (int64_t) AV_NOPTS_VALUE || !pts) {
// libav: 0.8pre didn't set pts
pts = frame->pkt_dts;
}
// libav: sets only pkt_dts which can be 0
if (pts && pts != (int64_t) AV_NOPTS_VALUE) {
// build a monotonic pts
if (*pts_p != (int64_t) AV_NOPTS_VALUE) {
int64_t delta;
delta = pts - *pts_p;
// ignore negative jumps
if (delta > -600 * 90 && delta <= -40 * 90) {
if (-delta > VideoDeltaPTS) {
VideoDeltaPTS = -delta;
Debug8("video: %#012" PRIx64 "->%#012" PRIx64 " delta%+4" PRId64 " pts", *pts_p, pts,
pts - *pts_p);
}
return;
}
} else { // first new clock value
AudioVideoReady(pts);
}
if (*pts_p != pts) {
Debug8("video: %#012" PRIx64 "->%#012" PRIx64 " delta=%4" PRId64 " pts", *pts_p, pts, pts - *pts_p);
*pts_p = pts;
}
}
}
///
/// Update output for new size or aspect ratio.
///
/// @param input_aspect_ratio video stream aspect
///
static void VideoUpdateOutput(AVRational input_aspect_ratio, int input_width, int input_height,
VideoResolutions resolution, int video_x, int video_y, int video_width, int video_height, int *output_x,
int *output_y, int *output_width, int *output_height, int *crop_x, int *crop_y, int *crop_width, int *crop_height)
{
AVRational display_aspect_ratio;
AVRational tmp_ratio;
if (!input_aspect_ratio.num || !input_aspect_ratio.den) {
input_aspect_ratio.num = 1;
input_aspect_ratio.den = 1;
Debug7("video: aspect defaults to %d:%d", input_aspect_ratio.num, input_aspect_ratio.den);
}
av_reduce(&input_aspect_ratio.num, &input_aspect_ratio.den, input_width * input_aspect_ratio.num,
input_height * input_aspect_ratio.den, 1024 * 1024);
// InputWidth/Height can be zero = uninitialized
if (!input_aspect_ratio.num || !input_aspect_ratio.den) {
input_aspect_ratio.num = 1;
input_aspect_ratio.den = 1;
}
display_aspect_ratio.num = VideoScreen->width_in_pixels * VideoScreen->height_in_millimeters;
display_aspect_ratio.den = VideoScreen->height_in_pixels * VideoScreen->width_in_millimeters;
display_aspect_ratio = av_mul_q(input_aspect_ratio, display_aspect_ratio);
Debug7("video: aspect %d:%d", display_aspect_ratio.num, display_aspect_ratio.den);
*crop_x = VideoCutLeftRight[resolution];
*crop_y = VideoCutTopBottom[resolution];
*crop_width = VideoWindowWidth - VideoCutLeftRight[resolution] * 2;
*crop_height = VideoWindowHeight - VideoCutTopBottom[resolution] * 2;
// FIXME: store different positions for the ratios
tmp_ratio.num = 4;
tmp_ratio.den = 3;
#ifdef DEBUG
Debug8("video: ratio %d:%d %d:%d", input_aspect_ratio.num, input_aspect_ratio.den, display_aspect_ratio.num,
display_aspect_ratio.den);
#endif
if (!av_cmp_q(input_aspect_ratio, tmp_ratio)) {
switch (Video4to3ZoomMode) {
case VideoNormal:
goto normal;
case VideoStretch:
goto stretch;
case VideoCenterCutOut:
goto center_cut_out;
case VideoAnamorphic:
// FIXME: rest should be done by hardware
goto stretch;
}
}
switch (VideoOtherZoomMode) {
case VideoNormal:
goto normal;
case VideoStretch:
goto stretch;
case VideoCenterCutOut:
goto center_cut_out;
case VideoAnamorphic:
// FIXME: rest should be done by hardware
goto stretch;
}
normal:
*output_x = video_x;
*output_y = video_y;
*output_width =
(video_height * display_aspect_ratio.num + display_aspect_ratio.den - 1) / display_aspect_ratio.den;
*output_height =
(video_width * display_aspect_ratio.den + display_aspect_ratio.num - 1) / display_aspect_ratio.num;
if (*output_width > video_width) {
*output_width = video_width;
*output_y += (video_height - *output_height) / 2;
} else if (*output_height > video_height) {
*output_height = video_height;
*output_x += (video_width - *output_width) / 2;
}
Debug7("video: aspect output %dx%d%+d%+d", *output_width, *output_height, *output_x, *output_y);
return;
stretch:
*output_x = video_x;
*output_y = video_y;
*output_width = video_width;
*output_height = video_height;
Debug7("video: stretch output %dx%d%+d%+d", *output_width, *output_height, *output_x, *output_y);
return;
center_cut_out:
*output_x = video_x;
*output_y = video_y;
*output_height = video_height;
*output_width = video_width;
*crop_width = (video_height * display_aspect_ratio.num + display_aspect_ratio.den - 1) / display_aspect_ratio.den;
*crop_height = (video_width * display_aspect_ratio.den + display_aspect_ratio.num - 1) / display_aspect_ratio.num;
// look which side must be cut
if (*crop_width > video_width) {
int tmp;
*crop_height = input_height - VideoCutTopBottom[resolution] * 2;
// adjust scaling
tmp = ((*crop_width - video_width) * input_width) / (2 * video_width);
// FIXME: round failure?
if (tmp > *crop_x) {
*crop_x = tmp;
}
*crop_width = input_width - *crop_x * 2;
} else if (*crop_height > video_height) {
int tmp;
*crop_width = input_width - VideoCutLeftRight[resolution] * 2;
// adjust scaling
tmp = ((*crop_height - video_height) * input_height)
/ (2 * video_height);
// FIXME: round failure?
if (tmp > *crop_y) {
*crop_y = tmp;
}
*crop_height = input_height - *crop_y * 2;
} else {
*crop_width = input_width - VideoCutLeftRight[resolution] * 2;
*crop_height = input_height - VideoCutTopBottom[resolution] * 2;
}
Debug7("video: aspect crop %dx%d%+d%+d", *crop_width, *crop_height, *crop_x, *crop_y);
return;
}
//----------------------------------------------------------------------------
// common functions
//----------------------------------------------------------------------------
///
/// Calculate resolution group.
///
/// @param width video picture raw width
/// @param height video picture raw height
/// @param interlace flag interlaced video picture
///
/// @note interlace isn't used yet and probably wrong set by caller.
///
static VideoResolutions VideoResolutionGroup(int width, int height, __attribute__ ((unused))
int interlace)
{
if (height == 2160) {
return VideoResolutionUHD;
}
if (height <= 576) {
return VideoResolution576i;
}
if (height <= 720) {
return VideoResolution720p;
}
if (height < 1080) {
return VideoResolutionFake1080i;
}
if (width < 1920) {
return VideoResolutionFake1080i;
}
return VideoResolution1080i;
}
///
/// Clamp given value against config limits
///
/// @param config config struct
/// @param valueIn sample value
/// @return clamped value
///
static inline int VideoConfigClamp(VideoConfigValues * config, float valueIn)
{
if (valueIn < config->min_value)
return config->min_value;
else if (valueIn > config->max_value)
return config->def_value;
return valueIn;
}
//----------------------------------------------------------------------------
// auto-crop
//----------------------------------------------------------------------------
///
/// auto-crop context structure and typedef.
///
typedef struct _auto_crop_ctx_
{
int X1; ///< detected left border
int X2; ///< detected right border
int Y1; ///< detected top border
int Y2; ///< detected bottom border
int Count; ///< counter to delay switch
int State; ///< auto-crop state (0, 14, 16)
} AutoCropCtx;
#define YBLACK 0x20 ///< below is black
#define UVBLACK 0x80 ///< around is black
#define M64 UINT64_C(0x0101010101010101) ///< 64bit multiplicator
/// auto-crop percent of video width to ignore logos
static const int AutoCropLogoIgnore = 24;
static int AutoCropInterval; ///< auto-crop check interval
static int AutoCropDelay; ///< auto-crop switch delay
static int AutoCropTolerance; ///< auto-crop tolerance
///
/// Detect black line Y.
///
/// @param data Y plane pixel data
/// @param length number of pixel to check
/// @param pitch offset of pixels
///
/// @note 8 pixel are checked at once, all values must be 8 aligned
///
static int AutoCropIsBlackLineY(const uint8_t * data, int length, int pitch)
{
int n;
int o;
uint64_t r;
const uint64_t *p;
#ifdef DEBUG
if ((size_t) data & 0x7 || pitch & 0x7) {
abort();
}
#endif
p = (const uint64_t *)data;
n = length; // FIXME: can remove n
o = pitch / 8;
r = 0UL;
while (--n >= 0) {
r |= *p;
p += o;
}
// below YBLACK(0x20) is black
return !(r & ~((YBLACK - 1) * M64));
}
///
/// Auto detect black borders and crop them.
///
/// @param autocrop auto-crop variables
/// @param width frame width in pixel
/// @param height frame height in pixel
/// @param data frame planes data (Y, U, V)
/// @param pitches frame planes pitches (Y, U, V)
///
/// @note FIXME: can reduce the checked range, left, right crop isn't
/// used yet.
///
/// @note FIXME: only Y is checked, for black.
///
static void AutoCropDetect(AutoCropCtx * autocrop, int width, int height, void *data[3], uint32_t pitches[3])
{
const void *data_y;
unsigned length_y;
int x;
int y;
int x1;
int x2;
int y1;
int y2;
int logo_skip;
//
// ignore top+bottom 6 lines and left+right 8 pixels
//
#define SKIP_X 8
#define SKIP_Y 6
x1 = width - 1;
x2 = 0;
y1 = height - 1;
y2 = 0;
logo_skip = SKIP_X + (((width * AutoCropLogoIgnore) / 100 + 8) / 8) * 8;
data_y = data[0];
length_y = pitches[0];
//
// search top
//
for (y = SKIP_Y; y < y1; ++y) {
if (!AutoCropIsBlackLineY(data_y + logo_skip + y * length_y, (width - 2 * logo_skip) / 8, 8)) {
if (y == SKIP_Y) {
y = 0;
}
y1 = y;
break;
}
}
//
// search bottom
//
for (y = height - SKIP_Y - 1; y > y2; --y) {
if (!AutoCropIsBlackLineY(data_y + logo_skip + y * length_y, (width - 2 * logo_skip) / 8, 8)) {
if (y == height - SKIP_Y - 1) {
y = height - 1;
}
y2 = y;
break;
}
}
//
// search left
//
for (x = SKIP_X; x < x1; x += 8) {
if (!AutoCropIsBlackLineY(data_y + x + SKIP_Y * length_y, height - 2 * SKIP_Y, length_y)) {
if (x == SKIP_X) {
x = 0;
}
x1 = x;
break;
}
}
//
// search right
//
for (x = width - SKIP_X - 8; x > x2; x -= 8) {
if (!AutoCropIsBlackLineY(data_y + x + SKIP_Y * length_y, height - 2 * SKIP_Y * 8, length_y)) {
if (x == width - SKIP_X - 8) {
x = width - 1;
}
x2 = x;
break;
}
}
autocrop->X1 = x1;
autocrop->X2 = x2;
autocrop->Y1 = y1;
autocrop->Y2 = y2;
}
//----------------------------------------------------------------------------
// VA-API
//----------------------------------------------------------------------------
AVBufferRef *HwDeviceContext; ///< ffmpeg HW device context
static VADisplay *VaDisplay; ///< VA-API display
static VAImage VaOsdImage = {
.image_id = VA_INVALID_ID
}; ///< osd VA-API image
static VASubpictureID VaOsdSubpicture = VA_INVALID_ID; ///< osd VA-API subpicture
static char VaapiUnscaledOsd; ///< unscaled osd supported
static char VaapiVideoProcessing; ///< supports video processing
/// VA-API decoder typedef
typedef struct _vaapi_decoder_ VaapiDecoder;
///
/// VA-API decoder
///
struct _vaapi_decoder_
{
VADisplay *VaDisplay; ///< VA-API display
xcb_window_t Window; ///< output window
int VideoX; ///< video base x coordinate
int VideoY; ///< video base y coordinate
int VideoWidth; ///< video base width
int VideoHeight; ///< video base height
int OutputX; ///< real video output x coordinate
int OutputY; ///< real video output y coordinate
int OutputWidth; ///< real video output width
int OutputHeight; ///< real video output height
/// flags for put surface for different resolutions groups
unsigned SurfaceFlagsTable[VideoResolutionMax];
unsigned SurfaceDeintTable[VideoResolutionMax];
enum AVPixelFormat PixFmt; ///< ffmpeg frame pixfmt
int WrongInterlacedWarned; ///< warning about interlace flag issued
int Interlaced; ///< ffmpeg interlaced flag
int Deinterlaced; ///< vpp deinterlace was run / not run
int TopFieldFirst; ///< ffmpeg top field displayed first
int GetPutImage; ///< flag get/put image can be used
VAImage Image[1]; ///< image buffer to update surface
VAEntrypoint VppEntrypoint; ///< VA-API postprocessing entrypoint
VAConfigID VppConfig; ///< VPP Config
VAContextID vpp_ctx; ///< VPP Context
int InputWidth; ///< video input width
int InputHeight; ///< video input height
AVRational InputAspect; ///< video input aspect ratio
VideoResolutions Resolution; ///< resolution group
int CropX; ///< video crop x
int CropY; ///< video crop y
int CropWidth; ///< video crop width
int CropHeight; ///< video crop height
AutoCropCtx AutoCrop[1]; ///< auto-crop variables
VASurfaceID BlackSurface; ///< empty black surface
/// video surface ring buffer
VASurfaceID SurfacesRb[VIDEO_SURFACES_MAX];
VASurfaceID PostProcSurfacesRb[POSTPROC_SURFACES_MAX]; ///< Posprocessing result surfaces
VASurfaceID *ForwardRefSurfaces; ///< Forward referencing surfaces for post processing
VASurfaceID *BackwardRefSurfaces; ///< Backward referencing surfaces for post processing
unsigned int ForwardRefCount; ///< Current number of forward references
unsigned int BackwardRefCount; ///< Current number of backward references
VASurfaceID PlaybackSurface; ///< Currently playing surface
int SurfaceWrite; ///< write pointer
int SurfaceRead; ///< read pointer
atomic_t SurfacesFilled; ///< how many of the buffer is used
int PostProcSurfaceWrite; ///< postprocessing write pointer
int SurfaceField; ///< current displayed field
int TrickSpeed; ///< current trick speed
int TrickCounter; ///< current trick speed counter
struct timespec FrameTime; ///< time of last display
VideoStream *Stream; ///< video stream
int Closing; ///< flag about closing current stream
int SyncOnAudio; ///< flag sync to audio
int64_t PTS; ///< video PTS clock
int LastAVDiff; ///< last audio - video difference
int SyncCounter; ///< counter to sync frames
int StartCounter; ///< counter for video start
int FramesDuped; ///< number of frames duplicated
int FramesMissed; ///< number of frames missed
int FramesDropped; ///< number of frames dropped
int FrameCounter; ///< number of frames decoded
int FramesDisplayed; ///< number of frames displayed
VABufferID filters[VAProcFilterCount]; ///< video postprocessing filters via vpp
VABufferID gpe_filters[VAProcFilterCount]; ///< video postprocessing filters via gpe
unsigned filter_n; ///< number of postprocessing filters
unsigned gpe_filter_n; ///< number of gpe postprocessing filters
unsigned SupportedDeinterlacers[VAProcDeinterlacingCount]; ///< supported deinterlacing methods
VABufferID *vpp_deinterlace_buf; ///< video postprocessing deinterlace buffer
VABufferID *vpp_denoise_buf; ///< video postprocessing denoise buffer
VABufferID *vpp_cbal_buf; ///< video color balance filters via vpp
VABufferID *vpp_sharpen_buf; ///< video postprocessing sharpen buffer
VABufferID *vpp_stde_buf; ///< video postprocessing skin tone enhancement buffer
int vpp_brightness_idx; ///< video postprocessing brightness buffer index
int vpp_contrast_idx; ///< video postprocessing contrast buffer index
int vpp_hue_idx; ///< video postprocessing hue buffer index
int vpp_saturation_idx; ///< video postprocessing saturation buffer index
};
static VaapiDecoder *VaapiDecoders[1]; ///< open decoder streams
static int VaapiDecoderN; ///< number of decoder streams
/// forward display back surface
static void VaapiBlackSurface(VaapiDecoder *);
/// forward definition release surface
static void VaapiReleaseSurface(VaapiDecoder *, VASurfaceID);
//----------------------------------------------------------------------------
// VA-API Functions
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
extern int SysLogLevel; ///< VDR's global log level
///
/// Output video messages.
///
/// Reduce output.
///
/// @param level message level (Error, Info, Debug, ...)
/// @param format printf format string (NULL to flush messages)
/// @param ... printf arguments
///
/// @returns true, if message shown
///
static int VaapiMessage(int level, const char *format, ...)
{
if (SysLogLevel > level) {
static const char *last_format;
static char buf[256];
va_list ap;
va_start(ap, format);
if (format != last_format) { // don't repeat same message
if (buf[0]) { // print last repeated message
switch (level) {
case 0:
Error("%s", buf);
break;
case 1:
Info("%s", buf);
break;
default:
Debug("%s", buf);
break;
}
buf[0] = '\0';
}
if (format) {
last_format = format;
switch (level) {
case 0:
Error(format, ap);
break;
case 1:
Info(format, ap);
break;
default:
Debug(format, ap);
break;
}
}
va_end(ap);
return 1;
}
vsnprintf(buf, sizeof(buf), format, ap);
va_end(ap);
}
return 0;
}
// Surfaces -------------------------------------------------------------
///
/// Associate OSD with surface.
///
/// @param decoder VA-API decoder
///
static void VaapiAssociate(VaapiDecoder * decoder)
{
}
///
/// Deassociate OSD with surface.
///
/// @param decoder VA-API decoder
///
static void VaapiDeassociate(VaapiDecoder * decoder)
{
if (VaOsdSubpicture != VA_INVALID_ID) {
vaDeassociateSubpicture(decoder->VaDisplay, VaOsdSubpicture, decoder->PostProcSurfacesRb,
POSTPROC_SURFACES_MAX);
}
}
///
/// Create surfaces for VA-API decoder.
///
/// @param decoder VA-API decoder
/// @param width surface source/video width
/// @param height surface source/video height
///
static void VaapiCreateSurfaces(VaapiDecoder * decoder, int width, int height)
{
if (vaCreateSurfaces(decoder->VaDisplay, VA_RT_FORMAT_YUV420, width, height, decoder->PostProcSurfacesRb,
POSTPROC_SURFACES_MAX, NULL, 0) != VA_STATUS_SUCCESS) {
Fatal("video/vaapi: can't create %d postproc surfaces", POSTPROC_SURFACES_MAX);
}
}
///
/// Destroy surfaces of VA-API decoder.
///
/// @param decoder VA-API decoder
///
static void VaapiDestroySurfaces(VaapiDecoder * decoder)
{
Debug7("video/vaapi: %s:", __FUNCTION__);
//
// update OSD associate
//
VaapiDeassociate(decoder);
if (vaDestroySurfaces(decoder->VaDisplay, decoder->PostProcSurfacesRb, POSTPROC_SURFACES_MAX) != VA_STATUS_SUCCESS) {
Error("video/vaapi: can't destroy %d surfaces", POSTPROC_SURFACES_MAX);
}
}