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ffplay: use AVFrame::width and height instead of using codec or filter settings

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Codec values may not reflect the actual frame size, and it also enables us to
simplify code in the avfilter enabled and the avfilter disabled case.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2012-04-22 00:17:54 +02:00
parent 84087b243e
commit 843509e264
1 changed files with 27 additions and 29 deletions
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56
ffplay.c
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@ -233,6 +233,11 @@ typedef struct VideoState {
int refresh;
} VideoState;
typedef struct AllocEventProps {
VideoState *is;
AVFrame *frame;
} AllocEventProps;
static int opt_help(const char *opt, const char *arg);
/* options specified by the user */
@ -934,6 +939,7 @@ static int video_open(VideoState *is, int force_set_video_mode)
{
int flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
int w,h;
VideoPicture *vp = &is->pictq[is->pictq_rindex];
if (is_full_screen) flags |= SDL_FULLSCREEN;
else flags |= SDL_RESIZABLE;
@ -944,15 +950,9 @@ static int video_open(VideoState *is, int force_set_video_mode)
} else if (!is_full_screen && screen_width) {
w = screen_width;
h = screen_height;
#if CONFIG_AVFILTER
} else if (is->out_video_filter && is->out_video_filter->inputs[0]) {
w = is->out_video_filter->inputs[0]->w;
h = is->out_video_filter->inputs[0]->h;
#else
} else if (is->video_st && is->video_st->codec->width) {
w = is->video_st->codec->width;
h = is->video_st->codec->height;
#endif
} else if (vp->width) {
w = vp->width;
h = vp->height;
} else {
w = 640;
h = 480;
@ -1293,9 +1293,10 @@ display:
/* allocate a picture (needs to do that in main thread to avoid
potential locking problems */
static void alloc_picture(void *opaque)
static void alloc_picture(AllocEventProps *event_props)
{
VideoState *is = opaque;
VideoState *is = event_props->is;
AVFrame *frame = event_props->frame;
VideoPicture *vp;
vp = &is->pictq[is->pictq_windex];
@ -1307,16 +1308,14 @@ static void alloc_picture(void *opaque)
if (vp->picref)
avfilter_unref_buffer(vp->picref);
vp->picref = NULL;
vp->width = is->out_video_filter->inputs[0]->w;
vp->height = is->out_video_filter->inputs[0]->h;
vp->pix_fmt = is->out_video_filter->inputs[0]->format;
#else
vp->width = is->video_st->codec->width;
vp->height = is->video_st->codec->height;
vp->pix_fmt = is->video_st->codec->pix_fmt;
#endif
vp->width = frame->width;
vp->height = frame->height;
vp->pix_fmt = frame->format;
video_open(event_props->is, 0);
vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
SDL_YV12_OVERLAY,
screen);
@ -1378,22 +1377,22 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts1, int64_
/* alloc or resize hardware picture buffer */
if (!vp->bmp || vp->reallocate ||
#if CONFIG_AVFILTER
vp->width != is->out_video_filter->inputs[0]->w ||
vp->height != is->out_video_filter->inputs[0]->h) {
#else
vp->width != is->video_st->codec->width ||
vp->height != is->video_st->codec->height) {
#endif
vp->width != src_frame->width ||
vp->height != src_frame->height) {
SDL_Event event;
AllocEventProps event_props;
event_props.frame = src_frame;
event_props.is = is;
vp->allocated = 0;
vp->reallocate = 0;
/* the allocation must be done in the main thread to avoid
locking problems */
locking problems. We wait in this block for the event to complete,
so we can pass a pointer to event_props to it. */
event.type = FF_ALLOC_EVENT;
event.user.data1 = is;
event.user.data1 = &event_props;
SDL_PushEvent(&event);
/* wait until the picture is allocated */
@ -2972,7 +2971,6 @@ static void event_loop(VideoState *cur_stream)
do_exit(cur_stream);
break;
case FF_ALLOC_EVENT:
video_open(event.user.data1, 0);
alloc_picture(event.user.data1);
break;
case FF_REFRESH_EVENT: