768, 614, 512, 409, 307, 230, 230, 230
};
-static const int8_t AdaptCoeff1[] = {
+static const uint8_t AdaptCoeff1[] = {
64, 128, 0, 48, 60, 115, 98
};
//Init the encoder state
for(i=0; i<avctx->channels; i++){
c->status[i].step_index = av_clip(c->status[i].step_index, 0, 63); // clip step so it fits 6 bits
- put_bits(&pb, 16, samples[i] & 0xFFFF);
+ put_sbits(&pb, 16, samples[i]);
put_bits(&pb, 6, c->status[i].step_index);
c->status[i].prev_sample = (signed short)samples[i];
}
bytestream_put_le16(&dst, c->status[i].idelta);
}
+ for(i=0; i<avctx->channels; i++){
+ c->status[i].sample2= *samples++;
+ }
for(i=0; i<avctx->channels; i++){
c->status[i].sample1= *samples++;
bytestream_put_le16(&dst, c->status[i].sample1);
}
- for(i=0; i<avctx->channels; i++){
- c->status[i].sample2= *samples++;
-
+ for(i=0; i<avctx->channels; i++)
bytestream_put_le16(&dst, c->status[i].sample2);
- }
if(avctx->trellis > 0) {
int n = avctx->block_align - 7*avctx->channels;
default:
break;
}
+ avctx->sample_fmt = SAMPLE_FMT_S16;
return 0;
}
for(i=0; i<avctx->channels; i++){
cs = &(c->status[i]);
- cs->predictor = *samples++ = (int16_t)(src[0] + (src[1]<<8));
- src+=2;
+ cs->predictor = *samples++ = (int16_t)bytestream_get_le16(&src);
cs->step_index = *src++;
if (cs->step_index > 88){
break;
case CODEC_ID_ADPCM_4XM:
cs = &(c->status[0]);
- c->status[0].predictor= (int16_t)(src[0] + (src[1]<<8)); src+=2;
+ c->status[0].predictor= (int16_t)bytestream_get_le16(&src);
if(st){
- c->status[1].predictor= (int16_t)(src[0] + (src[1]<<8)); src+=2;
+ c->status[1].predictor= (int16_t)bytestream_get_le16(&src);
}
- c->status[0].step_index= (int16_t)(src[0] + (src[1]<<8)); src+=2;
+ c->status[0].step_index= (int16_t)bytestream_get_le16(&src);
if(st){
- c->status[1].step_index= (int16_t)(src[0] + (src[1]<<8)); src+=2;
+ c->status[1].step_index= (int16_t)bytestream_get_le16(&src);
}
if (cs->step_index < 0) cs->step_index = 0;
if (cs->step_index > 88) cs->step_index = 88;
n = buf_size - 7 * avctx->channels;
if (n < 0)
return -1;
- block_predictor[0] = av_clip(*src++, 0, 7);
+ block_predictor[0] = av_clip(*src++, 0, 6);
block_predictor[1] = 0;
if (st)
- block_predictor[1] = av_clip(*src++, 0, 7);
- c->status[0].idelta = (int16_t)((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
- src+=2;
+ block_predictor[1] = av_clip(*src++, 0, 6);
+ c->status[0].idelta = (int16_t)bytestream_get_le16(&src);
if (st){
- c->status[1].idelta = (int16_t)((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
- src+=2;
+ c->status[1].idelta = (int16_t)bytestream_get_le16(&src);
}
c->status[0].coeff1 = AdaptCoeff1[block_predictor[0]];
c->status[0].coeff2 = AdaptCoeff2[block_predictor[0]];
c->status[1].coeff1 = AdaptCoeff1[block_predictor[1]];
c->status[1].coeff2 = AdaptCoeff2[block_predictor[1]];
- c->status[0].sample1 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
- src+=2;
- if (st) c->status[1].sample1 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
- if (st) src+=2;
- c->status[0].sample2 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
- src+=2;
- if (st) c->status[1].sample2 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
- if (st) src+=2;
+ c->status[0].sample1 = bytestream_get_le16(&src);
+ if (st) c->status[1].sample1 = bytestream_get_le16(&src);
+ c->status[0].sample2 = bytestream_get_le16(&src);
+ if (st) c->status[1].sample2 = bytestream_get_le16(&src);
- *samples++ = c->status[0].sample1;
- if (st) *samples++ = c->status[1].sample1;
*samples++ = c->status[0].sample2;
if (st) *samples++ = c->status[1].sample2;
+ *samples++ = c->status[0].sample1;
+ if (st) *samples++ = c->status[1].sample1;
for(;n>0;n--) {
*samples++ = adpcm_ms_expand_nibble(&c->status[0 ], src[0] >> 4 );
*samples++ = adpcm_ms_expand_nibble(&c->status[st], src[0] & 0x0F);
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
- c->status[0].predictor = (int16_t)(src[0] | (src[1] << 8));
- c->status[0].step_index = src[2];
- src += 4;
+ c->status[0].predictor = (int16_t)bytestream_get_le16(&src);
+ c->status[0].step_index = *src++;
+ src++;
*samples++ = c->status[0].predictor;
if (st) {
- c->status[1].predictor = (int16_t)(src[0] | (src[1] << 8));
- c->status[1].step_index = src[2];
- src += 4;
+ c->status[1].predictor = (int16_t)bytestream_get_le16(&src);
+ c->status[1].step_index = *src++;
+ src++;
*samples++ = c->status[1].predictor;
}
while (src < buf + buf_size) {
if(buf_size + 16 > (samples_end - samples)*3/8)
return -1;
- c->status[0].predictor = (int16_t)(src[10] | (src[11] << 8));
- c->status[1].predictor = (int16_t)(src[12] | (src[13] << 8));
+ c->status[0].predictor = (int16_t)AV_RL16(src + 10);
+ c->status[1].predictor = (int16_t)AV_RL16(src + 12);
c->status[0].step_index = src[14];
c->status[1].step_index = src[15];
/* sign extend the predictors */
break;
}
src += 4;
- current_left_sample = (int16_t)AV_RL16(src);
- src += 2;
- previous_left_sample = (int16_t)AV_RL16(src);
- src += 2;
- current_right_sample = (int16_t)AV_RL16(src);
- src += 2;
- previous_right_sample = (int16_t)AV_RL16(src);
- src += 2;
+ current_left_sample = (int16_t)bytestream_get_le16(&src);
+ previous_left_sample = (int16_t)bytestream_get_le16(&src);
+ current_right_sample = (int16_t)bytestream_get_le16(&src);
+ previous_right_sample = (int16_t)bytestream_get_le16(&src);
for (count1 = 0; count1 < samples_in_chunk/28;count1++) {
coeff1l = ea_adpcm_table[ *src >> 4 ];
adpcm_encode_frame, \
adpcm_encode_close, \
NULL, \
+ .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE}, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
};
#else