G722Context *c = avctx->priv_data;
int ret;
- if (avctx->channels != 1) {
- av_log(avctx, AV_LOG_ERROR, "Only mono tracks are allowed.\n");
- return AVERROR_INVALIDDATA;
- }
-
c->band[0].scale_factor = 8;
c->band[1].scale_factor = 2;
c->prev_samples_pos = 22;
}
AVCodec ff_adpcm_g722_encoder = {
- .name = "g722",
- .long_name = NULL_IF_CONFIG_SMALL("G.722 ADPCM"),
- .type = AVMEDIA_TYPE_AUDIO,
- .id = AV_CODEC_ID_ADPCM_G722,
- .priv_data_size = sizeof(G722Context),
- .init = g722_encode_init,
- .close = g722_encode_close,
- .encode2 = g722_encode_frame,
- .capabilities = AV_CODEC_CAP_SMALL_LAST_FRAME,
- .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
- AV_SAMPLE_FMT_NONE },
+ .name = "g722",
+ .long_name = NULL_IF_CONFIG_SMALL("G.722 ADPCM"),
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = AV_CODEC_ID_ADPCM_G722,
+ .priv_data_size = sizeof(G722Context),
+ .init = g722_encode_init,
+ .close = g722_encode_close,
+ .encode2 = g722_encode_frame,
+ .capabilities = AV_CODEC_CAP_SMALL_LAST_FRAME,
+ .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE },
+ .channel_layouts = (const uint64_t[]){ AV_CH_LAYOUT_MONO, 0 },
};