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vpxdec: Fix webm fps check.

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If the webm file did not have a Cues then vpxdec would fail
when creating a y4m file. If there is no Cues element print
out a warning and set fps to 30.

Change-Id: Ieea7040265dfdac7dff4ccf917c6f756160a96bc
This commit is contained in:
Frank Galligan 2013-10-24 10:33:24 -07:00
parent 997e19092e
commit a9e00cd451
1 changed files with 9 additions and 0 deletions
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9
vpxdec.c
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@ -501,6 +501,15 @@ webm_guess_framerate(struct input_ctx *input,
unsigned int i;
uint64_t tstamp = 0;
/* Check to see if we can seek before we parse any data. */
if (nestegg_track_seek(input->nestegg_ctx, input->video_track, 0)) {
fprintf(stderr,
"WARNING: Failed to guess framerate (no Cues), set to 30fps.\n");
*fps_num = 30;
*fps_den = 1;
return 0;
}
/* Guess the framerate. Read up to 1 second, or 50 video packets,
* whichever comes first.
*/