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tests: simple-decoder: add support for pixmap API.

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Add support for the new render-to-pixmap API. Avoid flickering on
platforms supporting video overlay by keeping up to 2 intermediate
pixmaps.
This commit is contained in:
Gwenole Beauchesne 2013-07-22 09:36:08 +02:00
parent 2e85860c9c
commit 17c8f17d06
1 changed files with 71 additions and 3 deletions
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74
tests/simple-decoder.c
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@ -34,10 +34,12 @@
#include <gst/vaapi/gstvaapidecoder_mpeg4.h>
#include <gst/vaapi/gstvaapidecoder_vc1.h>
#include <gst/vaapi/gstvaapiwindow.h>
#include <gst/vaapi/gstvaapipixmap.h>
#include "codec.h"
#include "output.h"
static gchar *g_codec_str;
static gboolean g_use_pixmap;
static gboolean g_benchmark;
static GOptionEntry g_options[] = {
@ -45,6 +47,10 @@ static GOptionEntry g_options[] = {
0,
G_OPTION_ARG_STRING, &g_codec_str,
"suggested codec", NULL },
{ "pixmap", 0,
0,
G_OPTION_ARG_NONE, &g_use_pixmap,
"use render-to-pixmap", NULL },
{ "benchmark", 0,
0,
G_OPTION_ARG_NONE, &g_benchmark,
@ -89,6 +95,10 @@ typedef struct {
guint32 frame_duration;
guint surface_width;
guint surface_height;
GstVaapiPixmap *pixmaps[2];
guint pixmap_id;
guint pixmap_width;
guint pixmap_height;
GstVaapiWindow *window;
guint window_width;
guint window_height;
@ -421,6 +431,44 @@ ensure_window_size(App *app, GstVaapiSurface *surface)
&app->window_width, &app->window_height);
}
static gboolean
ensure_pixmaps(App *app, GstVaapiSurface *surface,
const GstVaapiRectangle *crop_rect)
{
GstVaapiPixmap *pixmaps[G_N_ELEMENTS(app->pixmaps)];
guint num_pixmaps, i, width, height;
gboolean success = FALSE;
if (crop_rect) {
width = crop_rect->width;
height = crop_rect->height;
}
else
gst_vaapi_surface_get_size(surface, &width, &height);
if (app->pixmap_width == width && app->pixmap_height == height)
return TRUE;
for (i = 0, num_pixmaps = 0; i < G_N_ELEMENTS(pixmaps); i++) {
GstVaapiPixmap * const pixmap =
video_output_create_pixmap(app->display, GST_VIDEO_FORMAT_xRGB,
width, height);
if (!pixmap)
goto end;
pixmaps[num_pixmaps++] = pixmap;
}
for (i = 0; i < num_pixmaps; i++)
gst_vaapi_pixmap_replace(&app->pixmaps[i], pixmaps[i]);
app->pixmap_width = width;
app->pixmap_height = height;
success = TRUE;
end:
for (i = 0; i < num_pixmaps; i++)
gst_vaapi_pixmap_replace(&pixmaps[i], NULL);
return success;
}
static inline void
renderer_wait_until(App *app, GstClockTime pts)
{
@ -449,15 +497,31 @@ renderer_process(App *app, RenderFrame *rfp)
ensure_window_size(app, surface);
crop_rect = gst_vaapi_surface_proxy_get_crop_rect(rfp->proxy);
if (!ensure_pixmaps(app, surface, crop_rect))
SEND_ERROR("failed to create intermediate pixmaps");
if (!gst_vaapi_surface_sync(surface))
SEND_ERROR("failed to sync decoded surface");
if (G_LIKELY(!g_benchmark))
renderer_wait_until(app, rfp->pts);
crop_rect = gst_vaapi_surface_proxy_get_crop_rect(rfp->proxy);
if (!gst_vaapi_window_put_surface(app->window, surface, crop_rect, NULL,
GST_VAAPI_PICTURE_STRUCTURE_FRAME))
if (G_UNLIKELY(g_use_pixmap)) {
GstVaapiPixmap * const pixmap = app->pixmaps[app->pixmap_id];
if (!gst_vaapi_pixmap_put_surface(pixmap, surface, crop_rect,
GST_VAAPI_PICTURE_STRUCTURE_FRAME))
SEND_ERROR("failed to render to pixmap");
if (!gst_vaapi_window_put_pixmap(app->window, pixmap, NULL, NULL))
SEND_ERROR("failed to render surface %" GST_VAAPI_ID_FORMAT,
GST_VAAPI_ID_ARGS(pixmap));
app->pixmap_id = (app->pixmap_id + 1) % G_N_ELEMENTS(app->pixmaps);
}
else if (!gst_vaapi_window_put_surface(app->window, surface,
crop_rect, NULL, GST_VAAPI_PICTURE_STRUCTURE_FRAME))
SEND_ERROR("failed to render surface %" GST_VAAPI_ID_FORMAT,
GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
@ -528,6 +592,8 @@ stop_renderer(App *app)
static void
app_free(App *app)
{
guint i;
if (!app)
return;
@ -537,6 +603,8 @@ app_free(App *app)
}
g_free(app->file_name);
for (i = 0; i < G_N_ELEMENTS(app->pixmaps); i++)
gst_vaapi_pixmap_replace(&app->pixmaps[i], NULL);
gst_vaapi_decoder_replace(&app->decoder, NULL);
gst_vaapi_window_replace(&app->window, NULL);
gst_vaapi_display_replace(&app->display, NULL);