case AV_CODEC_ID_MPEG2VIDEO:
avctx->rc_buffer_size = FFMAX(avctx->rc_max_rate, 15000000) * 112L / 15000000 * 16384;
break;
+ case AV_CODEC_ID_MPEG4:
+ case AV_CODEC_ID_MSMPEG4V1:
+ case AV_CODEC_ID_MSMPEG4V2:
+ case AV_CODEC_ID_MSMPEG4V3:
+ if (avctx->rc_max_rate >= 15000000) {
+ avctx->rc_buffer_size = 320 + (avctx->rc_max_rate - 15000000L) * (760-320) / (38400000 - 15000000);
+ } else if(avctx->rc_max_rate >= 2000000) {
+ avctx->rc_buffer_size = 80 + (avctx->rc_max_rate - 2000000L) * (320- 80) / (15000000 - 2000000);
+ } else if(avctx->rc_max_rate >= 384000) {
+ avctx->rc_buffer_size = 40 + (avctx->rc_max_rate - 384000L) * ( 80- 40) / ( 2000000 - 384000);
+ } else
+ avctx->rc_buffer_size = 40;
+ avctx->rc_buffer_size *= 16384;
+ break;
}
if (avctx->rc_buffer_size) {
av_log(avctx, AV_LOG_INFO, "Automatically choosing VBV buffer size of %d kbyte\n", avctx->rc_buffer_size/8192);