s->bit_alloc.sr_code = i % 3;
s->bitstream_id = s->eac3 ? 16 : 8 + s->bit_alloc.sr_shift;
+ /* select a default bit rate if not set by the user */
+ if (!avctx->bit_rate) {
+ switch (s->fbw_channels) {
+ case 1: avctx->bit_rate = 96000; break;
+ case 2: avctx->bit_rate = 192000; break;
+ case 3: avctx->bit_rate = 320000; break;
+ case 4: avctx->bit_rate = 384000; break;
+ case 5: avctx->bit_rate = 448000; break;
+ }
+ }
+
/* validate bit rate */
if (s->eac3) {
int max_br, min_br, wpf, min_br_dist, min_br_code;
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
.priv_class = &ac3enc_class,
.channel_layouts = ff_ac3_channel_layouts,
+ .defaults = ac3_defaults,
};
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
.priv_class = &ac3enc_class,
.channel_layouts = ff_ac3_channel_layouts,
+ .defaults = ac3_defaults,
};
#endif
*/
#include "libavutil/opt.h"
+#include "internal.h"
#include "ac3.h"
#if AC3ENC_TYPE == AC3ENC_TYPE_AC3_FIXED
{"auto", "Selected by the Encoder", 0, AV_OPT_TYPE_CONST, {.dbl = AC3ENC_OPT_AUTO }, INT_MIN, INT_MAX, AC3ENC_PARAM, "cpl_start_band"},
{NULL}
};
+
+static const AVCodecDefault ac3_defaults[] = {
+ { "b", "0" },
+ { NULL }
+};
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52 E-AC-3"),
.priv_class = &eac3enc_class,
.channel_layouts = ff_ac3_channel_layouts,
+ .defaults = ac3_defaults,
};
#endif