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FFmpeg
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ffplay: add SDL2 support 

This commit also drops SDL1 support for ffplay.

Tested-by: James Almer <jamrial@gmail.com> (Windows, mingw-w64)
Signed-off-by: Josh de Kock <josh@itanimul.li>
tags/n3.2
Marton Balint Josh de Kock 10 years ago
parent
645353829f
commit
9c5fab5ed4
3 changed files with 250 additions and 351 deletions
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  1. +1
    -0
      Changelog
  2. +3
    -3
      configure
  3. +246
    -348
      ffplay.c

+ 1
- 0
Changelog View File

@@ -33,6 +33,7 @@ version <next>:
- Meridian Lossless Packing (MLP) encoder
- Non-Local Means (nlmeans) denoising filter
- sdl2 output device
- sdl2 support for ffplay


version 3.1:


+ 3
- 3
configure View File

@@ -3141,8 +3141,8 @@ ffmpeg_deps="avcodec avfilter avformat swresample"
ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
null_filter
setpts_filter trim_filter"
ffplay_deps="avcodec avformat swscale swresample sdl"
ffplay_libs='$sdl_libs'
ffplay_deps="avcodec avformat swscale swresample sdl2"
ffplay_libs='$sdl2_libs'
ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
ffprobe_deps="avcodec avformat"
ffserver_deps="avformat fork sarestart"
@@ -6661,7 +6661,7 @@ HOSTLD_O=$HOSTLD_O
TARGET_EXEC=$target_exec $target_exec_args
TARGET_PATH=$target_path
TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
CFLAGS-ffplay=$sdl_cflags
CFLAGS-ffplay=${sdl2_cflags}
ZLIB=$($ldflags_filter -lz)
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
EXTRALIBS=$extralibs


+ 246
- 348
ffplay.c View File

@@ -105,6 +105,8 @@ const int program_birth_year = 2003;

#define CURSOR_HIDE_DELAY 1000000

#define USE_ONEPASS_SUBTITLE_RENDER 1

static unsigned sws_flags = SWS_BICUBIC;

typedef struct MyAVPacketList {
@@ -152,17 +154,17 @@ typedef struct Clock {
typedef struct Frame {
AVFrame *frame;
AVSubtitle sub;
AVSubtitleRect **subrects; /* rescaled subtitle rectangles in yuva */
int serial;
double pts; /* presentation timestamp for the frame */
double duration; /* estimated duration of the frame */
int64_t pos; /* byte position of the frame in the input file */
SDL_Overlay *bmp;
SDL_Texture *bmp;
int allocated;
int reallocate;
int width;
int height;
int format;
AVRational sar;
int uploaded;
} Frame;

typedef struct FrameQueue {
@@ -272,6 +274,8 @@ typedef struct VideoState {
FFTSample *rdft_data;
int xpos;
double last_vis_time;
SDL_Texture *vis_texture;
SDL_Texture *sub_texture;

int subtitle_stream;
AVStream *subtitle_st;
@@ -284,11 +288,8 @@ typedef struct VideoState {
AVStream *video_st;
PacketQueue videoq;
double max_frame_duration; // maximum duration of a frame - above this, we consider the jump a timestamp discontinuity
#if !CONFIG_AVFILTER
struct SwsContext *img_convert_ctx;
#endif
struct SwsContext *sub_convert_ctx;
SDL_Rect last_display_rect;
int eof;

char *filename;
@@ -313,8 +314,6 @@ typedef struct VideoState {
static AVInputFormat *file_iformat;
static const char *input_filename;
static const char *window_title;
static int fs_screen_width;
static int fs_screen_height;
static int default_width = 640;
static int default_height = 480;
static int screen_width = 0;
@@ -362,7 +361,8 @@ static AVPacket flush_pkt;
#define FF_ALLOC_EVENT (SDL_USEREVENT)
#define FF_QUIT_EVENT (SDL_USEREVENT + 2)

static SDL_Surface *screen;
static SDL_Window *window;
static SDL_Renderer *renderer;

#if CONFIG_AVFILTER
static int opt_add_vfilter(void *optctx, const char *opt, const char *arg)
@@ -650,12 +650,6 @@ static void decoder_destroy(Decoder *d) {

static void frame_queue_unref_item(Frame *vp)
{
int i;
for (i = 0; i < vp->sub.num_rects; i++) {
av_freep(&vp->subrects[i]->data[0]);
av_freep(&vp->subrects[i]);
}
av_freep(&vp->subrects);
av_frame_unref(vp->frame);
avsubtitle_free(&vp->sub);
}
@@ -798,113 +792,47 @@ static void decoder_abort(Decoder *d, FrameQueue *fq)
packet_queue_flush(d->queue);
}

static inline void fill_rectangle(SDL_Surface *screen,
int x, int y, int w, int h, int color, int update)
static inline void fill_rectangle(int x, int y, int w, int h)
{
SDL_Rect rect;
rect.x = x;
rect.y = y;
rect.w = w;
rect.h = h;
SDL_FillRect(screen, &rect, color);
if (update && w > 0 && h > 0)
SDL_UpdateRect(screen, x, y, w, h);
}

/* draw only the border of a rectangle */
static void fill_border(int xleft, int ytop, int width, int height, int x, int y, int w, int h, int color, int update)
{
int w1, w2, h1, h2;

/* fill the background */
w1 = x;
if (w1 < 0)
w1 = 0;
w2 = width - (x + w);
if (w2 < 0)
w2 = 0;
h1 = y;
if (h1 < 0)
h1 = 0;
h2 = height - (y + h);
if (h2 < 0)
h2 = 0;
fill_rectangle(screen,
xleft, ytop,
w1, height,
color, update);
fill_rectangle(screen,
xleft + width - w2, ytop,
w2, height,
color, update);
fill_rectangle(screen,
xleft + w1, ytop,
width - w1 - w2, h1,
color, update);
fill_rectangle(screen,
xleft + w1, ytop + height - h2,
width - w1 - w2, h2,
color, update);
}

#define ALPHA_BLEND(a, oldp, newp, s)\
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))



#define BPP 1

static void blend_subrect(uint8_t **data, int *linesize, const AVSubtitleRect *rect, int imgw, int imgh)
{
int x, y, Y, U, V, A;
uint8_t *lum, *cb, *cr;
int dstx, dsty, dstw, dsth;
const AVSubtitleRect *src = rect;

dstw = av_clip(rect->w, 0, imgw);
dsth = av_clip(rect->h, 0, imgh);
dstx = av_clip(rect->x, 0, imgw - dstw);
dsty = av_clip(rect->y, 0, imgh - dsth);
lum = data[0] + dstx + dsty * linesize[0];
cb = data[1] + dstx/2 + (dsty >> 1) * linesize[1];
cr = data[2] + dstx/2 + (dsty >> 1) * linesize[2];

for (y = 0; y<dsth; y++) {
for (x = 0; x<dstw; x++) {
Y = src->data[0][x + y*src->linesize[0]];
A = src->data[3][x + y*src->linesize[3]];
lum[0] = ALPHA_BLEND(A, lum[0], Y, 0);
lum++;
}
lum += linesize[0] - dstw;
}

for (y = 0; y<dsth/2; y++) {
for (x = 0; x<dstw/2; x++) {
U = src->data[1][x + y*src->linesize[1]];
V = src->data[2][x + y*src->linesize[2]];
A = src->data[3][2*x + 2*y *src->linesize[3]]
+ src->data[3][2*x + 1 + 2*y *src->linesize[3]]
+ src->data[3][2*x + 1 + (2*y+1)*src->linesize[3]]
+ src->data[3][2*x + (2*y+1)*src->linesize[3]];
cb[0] = ALPHA_BLEND(A>>2, cb[0], U, 0);
cr[0] = ALPHA_BLEND(A>>2, cr[0], V, 0);
cb++;
cr++;
}
cb += linesize[1] - dstw/2;
cr += linesize[2] - dstw/2;
}
if (w && h)
SDL_RenderFillRect(renderer, &rect);
}

static void free_picture(Frame *vp)
{
if (vp->bmp) {
SDL_FreeYUVOverlay(vp->bmp);
SDL_DestroyTexture(vp->bmp);
vp->bmp = NULL;
}
}

static int realloc_texture(SDL_Texture **texture, Uint32 new_format, int new_width, int new_height, SDL_BlendMode blendmode, int init_texture)
{
Uint32 format;
int access, w, h;
if (SDL_QueryTexture(*texture, &format, &access, &w, &h) < 0 || new_width != w || new_height != h || new_format != format) {
void *pixels;
int pitch;
SDL_DestroyTexture(*texture);
if (!(*texture = SDL_CreateTexture(renderer, new_format, SDL_TEXTUREACCESS_STREAMING, new_width, new_height)))
return -1;
if (SDL_SetTextureBlendMode(*texture, blendmode) < 0)
return -1;
if (init_texture) {
if (SDL_LockTexture(*texture, NULL, &pixels, &pitch) < 0)
return -1;
memset(pixels, 0, pitch * new_height);
SDL_UnlockTexture(*texture);
}
}
return 0;
}

static void calculate_display_rect(SDL_Rect *rect,
int scr_xleft, int scr_ytop, int scr_width, int scr_height,
int pic_width, int pic_height, AVRational pic_sar)
@@ -936,12 +864,44 @@ static void calculate_display_rect(SDL_Rect *rect,
rect->h = FFMAX(height, 1);
}

static int upload_texture(SDL_Texture *tex, AVFrame *frame, struct SwsContext **img_convert_ctx) {
int ret = 0;
switch (frame->format) {
case AV_PIX_FMT_YUV420P:
ret = SDL_UpdateYUVTexture(tex, NULL, frame->data[0], frame->linesize[0],
frame->data[1], frame->linesize[1],
frame->data[2], frame->linesize[2]);
break;
case AV_PIX_FMT_BGRA:
ret = SDL_UpdateTexture(tex, NULL, frame->data[0], frame->linesize[0]);
break;
default:
/* This should only happen if we are not using avfilter... */
*img_convert_ctx = sws_getCachedContext(*img_convert_ctx,
frame->width, frame->height, frame->format, frame->width, frame->height,
AV_PIX_FMT_BGRA, sws_flags, NULL, NULL, NULL);
if (*img_convert_ctx != NULL) {
uint8_t *pixels;
int pitch;
if (!SDL_LockTexture(tex, NULL, (void **)&pixels, &pitch)) {
sws_scale(*img_convert_ctx, (const uint8_t * const *)frame->data, frame->linesize,
0, frame->height, &pixels, &pitch);
SDL_UnlockTexture(tex);
}
} else {
av_log(NULL, AV_LOG_FATAL, "Cannot initialize the conversion context\n");
ret = -1;
}
break;
}
return ret;
}

static void video_image_display(VideoState *is)
{
Frame *vp;
Frame *sp;
Frame *sp = NULL;
SDL_Rect rect;
int i;

vp = frame_queue_peek_last(&is->pictq);
if (vp->bmp) {
@@ -950,36 +910,71 @@ static void video_image_display(VideoState *is)
sp = frame_queue_peek(&is->subpq);

if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000)) {
uint8_t *data[4];
int linesize[4];

SDL_LockYUVOverlay (vp->bmp);

data[0] = vp->bmp->pixels[0];
data[1] = vp->bmp->pixels[2];
data[2] = vp->bmp->pixels[1];

linesize[0] = vp->bmp->pitches[0];
linesize[1] = vp->bmp->pitches[2];
linesize[2] = vp->bmp->pitches[1];

for (i = 0; i < sp->sub.num_rects; i++)
blend_subrect(data, linesize, sp->subrects[i],
vp->bmp->w, vp->bmp->h);

SDL_UnlockYUVOverlay (vp->bmp);
}
if (!sp->uploaded) {
uint8_t *pixels;
int pitch;
int i;
if (!sp->width || !sp->height) {
sp->width = vp->width;
sp->height = vp->height;
}
if (realloc_texture(&is->sub_texture, SDL_PIXELFORMAT_ARGB8888, sp->width, sp->height, SDL_BLENDMODE_BLEND, 1) < 0)
return;

for (i = 0; i < sp->sub.num_rects; i++) {
AVSubtitleRect *sub_rect = sp->sub.rects[i];

sub_rect->x = av_clip(sub_rect->x, 0, sp->width );
sub_rect->y = av_clip(sub_rect->y, 0, sp->height);
sub_rect->w = av_clip(sub_rect->w, 0, sp->width - sub_rect->x);
sub_rect->h = av_clip(sub_rect->h, 0, sp->height - sub_rect->y);

is->sub_convert_ctx = sws_getCachedContext(is->sub_convert_ctx,
sub_rect->w, sub_rect->h, AV_PIX_FMT_PAL8,
sub_rect->w, sub_rect->h, AV_PIX_FMT_BGRA,
0, NULL, NULL, NULL);
if (!is->sub_convert_ctx) {
av_log(NULL, AV_LOG_FATAL, "Cannot initialize the conversion context\n");
return;
}
if (!SDL_LockTexture(is->sub_texture, (SDL_Rect *)sub_rect, (void **)&pixels, &pitch)) {
sws_scale(is->sub_convert_ctx, (const uint8_t * const *)sub_rect->data, sub_rect->linesize,
0, sub_rect->h, &pixels, &pitch);
SDL_UnlockTexture(is->sub_texture);
}
}
sp->uploaded = 1;
}
} else
sp = NULL;
}
}

calculate_display_rect(&rect, is->xleft, is->ytop, is->width, is->height, vp->width, vp->height, vp->sar);

SDL_DisplayYUVOverlay(vp->bmp, &rect);
if (!vp->uploaded) {
if (upload_texture(vp->bmp, vp->frame, &is->img_convert_ctx) < 0)
return;
vp->uploaded = 1;
}

if (rect.x != is->last_display_rect.x || rect.y != is->last_display_rect.y || rect.w != is->last_display_rect.w || rect.h != is->last_display_rect.h || is->force_refresh) {
int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
fill_border(is->xleft, is->ytop, is->width, is->height, rect.x, rect.y, rect.w, rect.h, bgcolor, 1);
is->last_display_rect = rect;
SDL_RenderCopy(renderer, vp->bmp, NULL, &rect);
if (sp) {
#if USE_ONEPASS_SUBTITLE_RENDER
SDL_RenderCopy(renderer, is->sub_texture, NULL, &rect);
#else
int i;
double xratio = (double)rect.w / (double)sp->width;
double yratio = (double)rect.h / (double)sp->height;
for (i = 0; i < sp->sub.num_rects; i++) {
SDL_Rect *sub_rect = (SDL_Rect*)sp->sub.rects[i];
SDL_Rect target = {.x = rect.x + sub_rect->x * xratio,
.y = rect.y + sub_rect->y * yratio,
.w = sub_rect->w * xratio,
.h = sub_rect->h * yratio};
SDL_RenderCopy(renderer, is->sub_texture, sub_rect, &target);
}
#endif
}
}
}
@@ -992,7 +987,7 @@ static inline int compute_mod(int a, int b)
static void video_audio_display(VideoState *s)
{
int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
int ch, channels, h, h2, bgcolor, fgcolor;
int ch, channels, h, h2;
int64_t time_diff;
int rdft_bits, nb_freq;

@@ -1042,13 +1037,8 @@ static void video_audio_display(VideoState *s)
i_start = s->last_i_start;
}

bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
if (s->show_mode == SHOW_MODE_WAVES) {
fill_rectangle(screen,
s->xleft, s->ytop, s->width, s->height,
bgcolor, 0);

fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);

/* total height for one channel */
h = s->height / nb_display_channels;
@@ -1065,25 +1055,23 @@ static void video_audio_display(VideoState *s)
} else {
ys = y1;
}
fill_rectangle(screen,
s->xleft + x, ys, 1, y,
fgcolor, 0);
fill_rectangle(s->xleft + x, ys, 1, y);
i += channels;
if (i >= SAMPLE_ARRAY_SIZE)
i -= SAMPLE_ARRAY_SIZE;
}
}

fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);

for (ch = 1; ch < nb_display_channels; ch++) {
y = s->ytop + ch * h;
fill_rectangle(screen,
s->xleft, y, s->width, 1,
fgcolor, 0);
fill_rectangle(s->xleft, y, s->width, 1);
}
SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
} else {
if (realloc_texture(&s->vis_texture, SDL_PIXELFORMAT_ARGB8888, s->width, s->height, SDL_BLENDMODE_NONE, 1) < 0)
return;

nb_display_channels= FFMIN(nb_display_channels, 2);
if (rdft_bits != s->rdft_bits) {
av_rdft_end(s->rdft);
@@ -1097,6 +1085,9 @@ static void video_audio_display(VideoState *s)
s->show_mode = SHOW_MODE_WAVES;
} else {
FFTSample *data[2];
SDL_Rect rect = {.x = s->xpos, .y = 0, .w = 1, .h = s->height};
uint32_t *pixels;
int pitch;
for (ch = 0; ch < nb_display_channels; ch++) {
data[ch] = s->rdft_data + 2 * nb_freq * ch;
i = i_start + ch;
@@ -1111,21 +1102,23 @@ static void video_audio_display(VideoState *s)
}
/* Least efficient way to do this, we should of course
* directly access it but it is more than fast enough. */
for (y = 0; y < s->height; y++) {
double w = 1 / sqrt(nb_freq);
int a = sqrt(w * hypot(data[0][2 * y + 0], data[0][2 * y + 1]));
int b = (nb_display_channels == 2 ) ? sqrt(w * hypot(data[1][2 * y + 0], data[1][2 * y + 1]))
: a;
a = FFMIN(a, 255);
b = FFMIN(b, 255);
fgcolor = SDL_MapRGB(screen->format, a, b, (a + b) / 2);

fill_rectangle(screen,
s->xpos, s->height-y, 1, 1,
fgcolor, 0);
if (!SDL_LockTexture(s->vis_texture, &rect, (void **)&pixels, &pitch)) {
pitch >>= 2;
pixels += pitch * s->height;
for (y = 0; y < s->height; y++) {
double w = 1 / sqrt(nb_freq);
int a = sqrt(w * sqrt(data[0][2 * y + 0] * data[0][2 * y + 0] + data[0][2 * y + 1] * data[0][2 * y + 1]));
int b = (nb_display_channels == 2 ) ? sqrt(w * hypot(data[1][2 * y + 0], data[1][2 * y + 1]))
: a;
a = FFMIN(a, 255);
b = FFMIN(b, 255);
pixels -= pitch;
*pixels = (a << 16) + (b << 8) + ((a+b) >> 1);
}
SDL_UnlockTexture(s->vis_texture);
}
SDL_RenderCopy(renderer, s->vis_texture, NULL, NULL);
}
SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
if (!s->paused)
s->xpos++;
if (s->xpos >= s->width)
@@ -1215,11 +1208,13 @@ static void stream_close(VideoState *is)
frame_queue_destory(&is->sampq);
frame_queue_destory(&is->subpq);
SDL_DestroyCond(is->continue_read_thread);
#if !CONFIG_AVFILTER
sws_freeContext(is->img_convert_ctx);
#endif
sws_freeContext(is->sub_convert_ctx);
av_free(is->filename);
if (is->vis_texture)
SDL_DestroyTexture(is->vis_texture);
if (is->sub_texture)
SDL_DestroyTexture(is->sub_texture);
av_free(is);
}

@@ -1228,6 +1223,10 @@ static void do_exit(VideoState *is)
if (is) {
stream_close(is);
}
if (renderer)
SDL_DestroyRenderer(renderer);
if (window)
SDL_DestroyWindow(window);
av_lockmgr_register(NULL);
uninit_opts();
#if CONFIG_AVFILTER
@@ -1254,42 +1253,48 @@ static void set_default_window_size(int width, int height, AVRational sar)
default_height = rect.h;
}

static int video_open(VideoState *is, int force_set_video_mode, Frame *vp)
static int video_open(VideoState *is, Frame *vp)
{
int flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
int w,h;

if (is_full_screen) flags |= SDL_FULLSCREEN;
else flags |= SDL_RESIZABLE;

if (vp && vp->width)
set_default_window_size(vp->width, vp->height, vp->sar);

if (is_full_screen && fs_screen_width) {
w = fs_screen_width;
h = fs_screen_height;
} else if (!is_full_screen && screen_width) {
if (screen_width) {
w = screen_width;
h = screen_height;
} else {
w = default_width;
h = default_height;
}
w = FFMIN(16383, w);
if (screen && is->width == screen->w && screen->w == w
&& is->height== screen->h && screen->h == h && !force_set_video_mode)
return 0;
screen = SDL_SetVideoMode(w, h, 0, flags);
if (!screen) {

if (!window) {
int flags = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE;
if (!window_title)
window_title = input_filename;
if (is_full_screen)
flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
window = SDL_CreateWindow(window_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, w, h, flags);
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
if (window) {
SDL_RendererInfo info;
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
if (renderer) {
if (!SDL_GetRendererInfo(renderer, &info))
av_log(NULL, AV_LOG_VERBOSE, "Initialized %s renderer.\n", info.name);
}
}
} else {
SDL_SetWindowSize(window, w, h);
}

if (!window || !renderer) {
av_log(NULL, AV_LOG_FATAL, "SDL: could not set video mode - exiting\n");
do_exit(is);
}
if (!window_title)
window_title = input_filename;
SDL_WM_SetCaption(window_title, window_title);

is->width = screen->w;
is->height = screen->h;
is->width = w;
is->height = h;

return 0;
}
@@ -1297,12 +1302,16 @@ static int video_open(VideoState *is, int force_set_video_mode, Frame *vp)
/* display the current picture, if any */
static void video_display(VideoState *is)
{
if (!screen)
video_open(is, 0, NULL);
if (!window)
video_open(is, NULL);

SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
if (is->audio_st && is->show_mode != SHOW_MODE_VIDEO)
video_audio_display(is);
else if (is->video_st)
video_image_display(is);
SDL_RenderPresent(renderer);
}

static double get_clock(Clock *c)
@@ -1587,6 +1596,20 @@ retry:
|| (is->vidclk.pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
|| (sp2 && is->vidclk.pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
{
if (sp->uploaded) {
int i;
for (i = 0; i < sp->sub.num_rects; i++) {
AVSubtitleRect *sub_rect = sp->sub.rects[i];
uint8_t *pixels;
int pitch, j;

if (!SDL_LockTexture(is->sub_texture, (SDL_Rect *)sub_rect, (void **)&pixels, &pitch)) {
for (j = 0; j < sub_rect->h; j++, pixels += pitch)
memset(pixels, 0, sub_rect->w << 2);
SDL_UnlockTexture(is->sub_texture);
}
}
}
frame_queue_next(&is->subpq);
} else {
break;
@@ -1652,19 +1675,18 @@ display:
static void alloc_picture(VideoState *is)
{
Frame *vp;
int64_t bufferdiff;
int sdl_format;

vp = &is->pictq.queue[is->pictq.windex];

free_picture(vp);
video_open(is, vp);

video_open(is, 0, vp);
if (vp->format == AV_PIX_FMT_YUV420P)
sdl_format = SDL_PIXELFORMAT_YV12;
else
sdl_format = SDL_PIXELFORMAT_ARGB8888;

vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
SDL_YV12_OVERLAY,
screen);
bufferdiff = vp->bmp ? FFMAX(vp->bmp->pixels[0], vp->bmp->pixels[1]) - FFMIN(vp->bmp->pixels[0], vp->bmp->pixels[1]) : 0;
if (!vp->bmp || vp->bmp->pitches[0] < vp->width || bufferdiff < (int64_t)vp->height * vp->bmp->pitches[0]) {
if (realloc_texture(&vp->bmp, sdl_format, vp->width, vp->height, SDL_BLENDMODE_NONE, 0) < 0) {
/* SDL allocates a buffer smaller than requested if the video
* overlay hardware is unable to support the requested size. */
av_log(NULL, AV_LOG_FATAL,
@@ -1680,24 +1702,6 @@ static void alloc_picture(VideoState *is)
SDL_UnlockMutex(is->pictq.mutex);
}

static void duplicate_right_border_pixels(SDL_Overlay *bmp) {
int i, width, height;
Uint8 *p, *maxp;
for (i = 0; i < 3; i++) {
width = bmp->w;
height = bmp->h;
if (i > 0) {
width >>= 1;
height >>= 1;
}
if (bmp->pitches[i] > width) {
maxp = bmp->pixels[i] + bmp->pitches[i] * height - 1;
for (p = bmp->pixels[i] + width - 1; p < maxp; p += bmp->pitches[i])
*(p+1) = *p;
}
}
}

static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, double duration, int64_t pos, int serial)
{
Frame *vp;
@@ -1711,17 +1715,19 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, double
return -1;

vp->sar = src_frame->sample_aspect_ratio;
vp->uploaded = 0;

/* alloc or resize hardware picture buffer */
if (!vp->bmp || vp->reallocate || !vp->allocated ||
if (!vp->bmp || !vp->allocated ||
vp->width != src_frame->width ||
vp->height != src_frame->height) {
vp->height != src_frame->height ||
vp->format != src_frame->format) {
SDL_Event event;

vp->allocated = 0;
vp->reallocate = 0;
vp->allocated = 0;
vp->width = src_frame->width;
vp->height = src_frame->height;
vp->format = src_frame->format;

/* the allocation must be done in the main thread to avoid
locking problems. */
@@ -1735,7 +1741,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, double
SDL_CondWait(is->pictq.cond, is->pictq.mutex);
}
/* if the queue is aborted, we have to pop the pending ALLOC event or wait for the allocation to complete */
if (is->videoq.abort_request && SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_EVENTMASK(FF_ALLOC_EVENT)) != 1) {
if (is->videoq.abort_request && SDL_PeepEvents(&event, 1, SDL_GETEVENT, FF_ALLOC_EVENT, FF_ALLOC_EVENT) != 1) {
while (!vp->allocated && !is->abort_request) {
SDL_CondWait(is->pictq.cond, is->pictq.mutex);
}
@@ -1748,58 +1754,12 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, double

/* if the frame is not skipped, then display it */
if (vp->bmp) {
uint8_t *data[4];
int linesize[4];

/* get a pointer on the bitmap */
SDL_LockYUVOverlay (vp->bmp);

data[0] = vp->bmp->pixels[0];
data[1] = vp->bmp->pixels[2];
data[2] = vp->bmp->pixels[1];

linesize[0] = vp->bmp->pitches[0];
linesize[1] = vp->bmp->pitches[2];
linesize[2] = vp->bmp->pitches[1];

#if CONFIG_AVFILTER
// FIXME use direct rendering
av_image_copy(data, linesize, (const uint8_t **)src_frame->data, src_frame->linesize,
src_frame->format, vp->width, vp->height);
#else
{
AVDictionaryEntry *e = av_dict_get(sws_dict, "sws_flags", NULL, 0);
if (e) {
const AVClass *class = sws_get_class();
const AVOption *o = av_opt_find(&class, "sws_flags", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ);
int ret = av_opt_eval_flags(&class, o, e->value, &sws_flags);
if (ret < 0)
exit(1);
}
}

is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
vp->width, vp->height, src_frame->format, vp->width, vp->height,
AV_PIX_FMT_YUV420P, sws_flags, NULL, NULL, NULL);
if (!is->img_convert_ctx) {
av_log(NULL, AV_LOG_FATAL, "Cannot initialize the conversion context\n");
exit(1);
}
sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
0, vp->height, data, linesize);
#endif
/* workaround SDL PITCH_WORKAROUND */
duplicate_right_border_pixels(vp->bmp);
/* update the bitmap content */
SDL_UnlockYUVOverlay(vp->bmp);

vp->pts = pts;
vp->duration = duration;
vp->pos = pos;
vp->serial = serial;

/* now we can update the picture count */
av_frame_move_ref(vp->frame, src_frame);
frame_queue_push(&is->pictq);
}
return 0;
@@ -1887,7 +1847,7 @@ fail:

static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters, AVFrame *frame)
{
static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE };
static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_BGRA, AV_PIX_FMT_NONE };
char sws_flags_str[512] = "";
char buffersrc_args[256];
int ret;
@@ -1950,10 +1910,6 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
last_filter = filt_ctx; \
} while (0)

/* SDL YUV code is not handling odd width/height for some driver
* combinations, therefore we crop the picture to an even width/height. */
INSERT_FILT("crop", "floor(in_w/2)*2:floor(in_h/2)*2");

if (autorotate) {
double theta = get_rotation(is->video_st);

@@ -2148,7 +2104,7 @@ static int audio_thread(void *arg)
static int decoder_start(Decoder *d, int (*fn)(void *), void *arg)
{
packet_queue_start(d->queue);
d->decoder_tid = SDL_CreateThread(fn, arg);
d->decoder_tid = SDL_CreateThread(fn, "decoder", arg);
if (!d->decoder_tid) {
av_log(NULL, AV_LOG_ERROR, "SDL_CreateThread(): %s\n", SDL_GetError());
return AVERROR(ENOMEM);
@@ -2268,10 +2224,10 @@ static int video_thread(void *arg)
static int subtitle_thread(void *arg)
{
VideoState *is = arg;
AVCodecParameters *codecpar = is->subtitle_st->codecpar;
Frame *sp;
int got_subtitle;
double pts;
int i;

for (;;) {
if (!(sp = frame_queue_peek_writable(&is->subpq)))
@@ -2287,42 +2243,9 @@ static int subtitle_thread(void *arg)
pts = sp->sub.pts / (double)AV_TIME_BASE;
sp->pts = pts;
sp->serial = is->subdec.pkt_serial;
if (!(sp->subrects = av_mallocz_array(sp->sub.num_rects, sizeof(AVSubtitleRect*)))) {
av_log(NULL, AV_LOG_FATAL, "Cannot allocate subrects\n");
exit(1);
}

for (i = 0; i < sp->sub.num_rects; i++)
{
int in_w = sp->sub.rects[i]->w;
int in_h = sp->sub.rects[i]->h;
int subw = is->subdec.avctx->width ? is->subdec.avctx->width : is->viddec_width;
int subh = is->subdec.avctx->height ? is->subdec.avctx->height : is->viddec_height;
int out_w = is->viddec_width ? in_w * is->viddec_width / subw : in_w;
int out_h = is->viddec_height ? in_h * is->viddec_height / subh : in_h;

if (!(sp->subrects[i] = av_mallocz(sizeof(AVSubtitleRect))) ||
av_image_alloc(sp->subrects[i]->data, sp->subrects[i]->linesize, out_w, out_h, AV_PIX_FMT_YUVA420P, 16) < 0) {
av_log(NULL, AV_LOG_FATAL, "Cannot allocate subtitle data\n");
exit(1);
}

is->sub_convert_ctx = sws_getCachedContext(is->sub_convert_ctx,
in_w, in_h, AV_PIX_FMT_PAL8, out_w, out_h,
AV_PIX_FMT_YUVA420P, sws_flags, NULL, NULL, NULL);
if (!is->sub_convert_ctx) {
av_log(NULL, AV_LOG_FATAL, "Cannot initialize the sub conversion context\n");
exit(1);
}
sws_scale(is->sub_convert_ctx,
(void*)sp->sub.rects[i]->data, sp->sub.rects[i]->linesize,
0, in_h, sp->subrects[i]->data, sp->subrects[i]->linesize);

sp->subrects[i]->w = out_w;
sp->subrects[i]->h = out_h;
sp->subrects[i]->x = sp->sub.rects[i]->x * out_w / in_w;
sp->subrects[i]->y = sp->sub.rects[i]->y * out_h / in_h;
}
sp->width = codecpar->width;
sp->height = codecpar->height;
sp->uploaded = 0;

/* now we can update the picture count */
frame_queue_push(&is->subpq);
@@ -3185,7 +3108,7 @@ static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
is->audio_volume = SDL_MIX_MAXVOLUME;
is->muted = 0;
is->av_sync_type = av_sync_type;
is->read_tid = SDL_CreateThread(read_thread, is);
is->read_tid = SDL_CreateThread(read_thread, "read_thread", is);
if (!is->read_tid) {
av_log(NULL, AV_LOG_FATAL, "SDL_CreateThread(): %s\n", SDL_GetError());
fail:
@@ -3276,27 +3199,17 @@ static void stream_cycle_channel(VideoState *is, int codec_type)

static void toggle_full_screen(VideoState *is)
{
#if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
/* OS X needs to reallocate the SDL overlays */
int i;
for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++)
is->pictq.queue[i].reallocate = 1;
#endif
is_full_screen = !is_full_screen;
video_open(is, 1, NULL);
SDL_SetWindowFullscreen(window, is_full_screen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
}

static void toggle_audio_display(VideoState *is)
{
int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
int next = is->show_mode;
do {
next = (next + 1) % SHOW_MODE_NB;
} while (next != is->show_mode && (next == SHOW_MODE_VIDEO && !is->video_st || next != SHOW_MODE_VIDEO && !is->audio_st));
if (is->show_mode != next) {
fill_rectangle(screen,
is->xleft, is->ytop, is->width, is->height,
bgcolor, 1);
is->force_refresh = 1;
is->show_mode = next;
}
@@ -3305,7 +3218,7 @@ static void toggle_audio_display(VideoState *is)
static void refresh_loop_wait_event(VideoState *is, SDL_Event *event) {
double remaining_time = 0.0;
SDL_PumpEvents();
while (!SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_ALLEVENTS)) {
while (!SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) {
if (!cursor_hidden && av_gettime_relative() - cursor_last_shown > CURSOR_HIDE_DELAY) {
SDL_ShowCursor(0);
cursor_hidden = 1;
@@ -3469,9 +3382,6 @@ static void event_loop(VideoState *cur_stream)
break;
}
break;
case SDL_VIDEOEXPOSE:
cur_stream->force_refresh = 1;
break;
case SDL_MOUSEBUTTONDOWN:
if (exit_on_mousedown) {
do_exit(cur_stream);
@@ -3527,16 +3437,18 @@ static void event_loop(VideoState *cur_stream)
stream_seek(cur_stream, ts, 0, 0);
}
break;
case SDL_VIDEORESIZE:
screen = SDL_SetVideoMode(FFMIN(16383, event.resize.w), event.resize.h, 0,
SDL_HWSURFACE|(is_full_screen?SDL_FULLSCREEN:SDL_RESIZABLE)|SDL_ASYNCBLIT|SDL_HWACCEL);
if (!screen) {
av_log(NULL, AV_LOG_FATAL, "Failed to set video mode\n");
do_exit(cur_stream);
}
screen_width = cur_stream->width = screen->w;
screen_height = cur_stream->height = screen->h;
cur_stream->force_refresh = 1;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_RESIZED:
screen_width = cur_stream->width = event.window.data1;
screen_height = cur_stream->height = event.window.data2;
if (cur_stream->vis_texture) {
SDL_DestroyTexture(cur_stream->vis_texture);
cur_stream->vis_texture = NULL;
}
case SDL_WINDOWEVENT_EXPOSED:
cur_stream->force_refresh = 1;
}
break;
case SDL_QUIT:
case FF_QUIT_EVENT:
@@ -3773,8 +3685,6 @@ int main(int argc, char **argv)
{
int flags;
VideoState *is;
char dummy_videodriver[] = "SDL_VIDEODRIVER=dummy";
char alsa_bufsize[] = "SDL_AUDIO_ALSA_SET_BUFFER_SIZE=1";

init_dynload();

@@ -3818,31 +3728,19 @@ int main(int argc, char **argv)
/* Try to work around an occasional ALSA buffer underflow issue when the
* period size is NPOT due to ALSA resampling by forcing the buffer size. */
if (!SDL_getenv("SDL_AUDIO_ALSA_SET_BUFFER_SIZE"))
SDL_putenv(alsa_bufsize);
SDL_setenv("SDL_AUDIO_ALSA_SET_BUFFER_SIZE","1", 1);
}
if (display_disable)
SDL_putenv(dummy_videodriver); /* For the event queue, we always need a video driver. */
#if !defined(_WIN32) && !defined(__APPLE__)
flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
#endif
flags &= ~SDL_INIT_VIDEO;
if (SDL_Init (flags)) {
av_log(NULL, AV_LOG_FATAL, "Could not initialize SDL - %s\n", SDL_GetError());
av_log(NULL, AV_LOG_FATAL, "(Did you set the DISPLAY variable?)\n");
exit(1);
}

if (!display_disable) {
const SDL_VideoInfo *vi = SDL_GetVideoInfo();
fs_screen_width = vi->current_w;
fs_screen_height = vi->current_h;
}

SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
SDL_EventState(SDL_USEREVENT, SDL_IGNORE);

SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);

if (av_lockmgr_register(lockmgr)) {
av_log(NULL, AV_LOG_FATAL, "Could not initialize lock manager!\n");
do_exit(NULL);


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