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androidcamera: Chose the smallest range that contains the target framerate

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This commit is contained in:
Sebastian Dröge 2012-10-26 12:57:50 +02:00 committed by Nicolas Dufresne
parent c633ecc3be
commit 19e5238379
1 changed files with 6 additions and 2 deletions
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8
sys/androidcamera/gstahcsrc.c
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@ -340,6 +340,7 @@ gst_ahc_src_setcaps (GstBaseSrc * src, GstCaps * caps)
gint width, height, fps_n, fps_d;
GList *ranges, *l;
gint i;
gint range_size = G_MAXINT;
if (!gst_video_format_parse_caps (caps, &format, &width, &height) ||
!gst_video_parse_caps_framerate (caps, &fps_n, &fps_d)) {
@ -352,6 +353,8 @@ gst_ahc_src_setcaps (GstBaseSrc * src, GstCaps * caps)
* We *must* set a range of those returned by the camera
* according to the API docs and can't use a subset of any
* of those ranges.
* We chose the smallest range that contains the target
* framerate.
*/
self->fps_max = self->fps_min = 0;
ranges = gst_ahc_parameters_get_supported_preview_fps_range (params);
@ -359,10 +362,11 @@ gst_ahc_src_setcaps (GstBaseSrc * src, GstCaps * caps)
for (l = ranges; l; l = l->next) {
int *range = l->data;
if (fps_n >= range[0] && fps_n <= range[1]) {
if (fps_n >= range[0] && fps_n <= range[1] &&
range_size > (range[1] - range[0])) {
self->fps_min = range[0];
self->fps_max = range[1];
break;
range_size = range[1] - range[0];
}
}
gst_ahc_parameters_supported_preview_fps_range_free (ranges);