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x264enc: Fix for 0/1 framerate - now uses VFR in this case

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Previously did a division by zero.

https://bugzilla.gnome.org/show_bug.cgi?id=695728
This commit is contained in:
Tom Greenwood 2013-03-06 13:28:37 +00:00 committed by Sebastian Dröge
parent 53d7e8436c
commit 2e38f24b56
1 changed files with 16 additions and 6 deletions
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18
ext/x264/gstx264enc.c
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@ -312,7 +312,7 @@ static const GFlagsValue tune_types[] = {
{0x0, "No tuning", "none"},
{0x1, "Still image", "stillimage"},
{0x2, "Fast decode", "fastdecode"},
{0x4, "Zero latency (requires constant framerate)", "zerolatency"},
{0x4, "Zero latency", "zerolatency"},
{0, NULL, NULL},
};
@ -1217,8 +1217,21 @@ gst_x264_enc_init_encoder (GstX264Enc * encoder)
/* set up encoder parameters */
encoder->x264param.i_csp =
gst_x264_enc_gst_to_x264_video_format (info->finfo->format, NULL);
if (info->fps_d == 0 || info->fps_n == 0) {
/* No FPS so must use VFR
* This raises latency apparently see http://mewiki.project357.com/wiki/X264_Encoding_Suggestions */
encoder->x264param.b_vfr_input = TRUE;
if (encoder->keyint_max) { /* NB the default is 250 setup by x264 itself */
encoder->x264param.i_keyint_max = encoder->keyint_max;
}
} else {
/* FPS available so set it up */
encoder->x264param.i_fps_num = info->fps_n;
encoder->x264param.i_fps_den = info->fps_d;
encoder->x264param.i_keyint_max =
encoder->keyint_max ? encoder->keyint_max : (10 * info->fps_n /
info->fps_d);
}
encoder->x264param.i_width = info->width;
encoder->x264param.i_height = info->height;
if (info->par_d > 0) {
@ -1226,9 +1239,6 @@ gst_x264_enc_init_encoder (GstX264Enc * encoder)
encoder->x264param.vui.i_sar_height = info->par_d;
}
encoder->x264param.i_keyint_max = encoder->keyint_max ? encoder->keyint_max :
(10 * info->fps_n / info->fps_d);
if ((((info->height == 576) && ((info->width == 720)
|| (info->width == 704) || (info->width == 352)))
|| ((info->height == 288) && (info->width == 352)))