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lavf/mxfenc: simplify frame rate checks.
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aad737c669
@ -1683,26 +1683,28 @@ static int mxf_write_header(AVFormatContext *s)
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}
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if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
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AVRational rate;
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AVRational rate, tbc = st->codec->time_base;
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// Default component depth to 8
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sc->component_depth = 8;
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if (fabs(av_q2d(st->codec->time_base) - 1/25.0) < 0.0001) {
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mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
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switch (mxf->timecode_base) {
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case 25:
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samples_per_frame = PAL_samples_per_frame;
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mxf->time_base = (AVRational){ 1, 25 };
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mxf->timecode_base = 25;
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} else if (fabs(av_q2d(st->codec->time_base) - 1/50.0) < 0.0001) {
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break;
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case 50:
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samples_per_frame = PAL_50_samples_per_frame;
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mxf->time_base = (AVRational){ 1, 50 };
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mxf->timecode_base = 50;
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} else if (fabs(av_q2d(st->codec->time_base) - 1001/30000.0) < 0.0001) {
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break;
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case 30:
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samples_per_frame = NTSC_samples_per_frame;
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mxf->time_base = (AVRational){ 1001, 30000 };
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mxf->timecode_base = 30;
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} else if (fabs(av_q2d(st->codec->time_base) - 1001/60000.0) < 0.0001) {
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break;
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case 60:
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samples_per_frame = NTSC_60_samples_per_frame;
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mxf->time_base = (AVRational){ 1001, 60000 };
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mxf->timecode_base = 60;
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} else {
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break;
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default:
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av_log(s, AV_LOG_ERROR, "unsupported video frame rate\n");
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return -1;
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}
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