c->td = c->a[1] < -11776;
/* Update Ap */
- c->dms += ((c->tbls.F[I]<<9) - c->dms) >> 5;
- c->dml += ((c->tbls.F[I]<<11) - c->dml) >> 7;
+ c->dms += (c->tbls.F[I]<<4) + ((- c->dms) >> 5);
+ c->dml += (c->tbls.F[I]<<4) + ((- c->dml) >> 7);
if (tr)
c->ap = 256;
else {
return 0;
}
-#ifdef CONFIG_ENCODERS
+#ifdef CONFIG_ADPCM_G726_ENCODER
static int16_t g726_encode(G726Context* c, int16_t sig)
{
uint8_t i;
static av_cold int g726_init(AVCodecContext * avctx)
{
G726Context* c = avctx->priv_data;
- unsigned int index= (avctx->bit_rate + avctx->sample_rate/2) / avctx->sample_rate - 2;
+ unsigned int index;
+
+ if (avctx->sample_rate <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Samplerate is invalid\n");
+ return -1;
+ }
+
+ index = (avctx->bit_rate + avctx->sample_rate/2) / avctx->sample_rate - 2;
if (avctx->bit_rate % avctx->sample_rate && avctx->codec->encode) {
av_log(avctx, AV_LOG_ERROR, "Bitrate - Samplerate combination is invalid\n");
return AVERROR(ENOMEM);
avctx->coded_frame->key_frame = 1;
+ if (avctx->codec->decode)
+ avctx->sample_fmt = SAMPLE_FMT_S16;
+
return 0;
}
return 0;
}
-#ifdef CONFIG_ENCODERS
+#ifdef CONFIG_ADPCM_G726_ENCODER
static int g726_encode_frame(AVCodecContext *avctx,
uint8_t *dst, int buf_size, void *data)
{
return buf_size;
}
-#ifdef CONFIG_ENCODERS
+#ifdef CONFIG_ADPCM_G726_ENCODER
AVCodec adpcm_g726_encoder = {
"g726",
CODEC_TYPE_AUDIO,
g726_encode_frame,
g726_close,
NULL,
+ .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("G.726 ADPCM"),
};
-#endif //CONFIG_ENCODERS
+#endif
AVCodec adpcm_g726_decoder = {
"g726",