ADXContext *c = avctx->priv_data;
int ret, header_size;
- if (avctx->extradata_size < 24)
- return AVERROR_INVALIDDATA;
-
- if ((ret = avpriv_adx_decode_header(avctx, avctx->extradata,
- avctx->extradata_size, &header_size,
- c->coeff)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "error parsing ADX header\n");
- return AVERROR_INVALIDDATA;
+ if (avctx->extradata_size >= 24) {
+ if ((ret = avpriv_adx_decode_header(avctx, avctx->extradata,
+ avctx->extradata_size, &header_size,
+ c->coeff)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "error parsing ADX header\n");
+ return AVERROR_INVALIDDATA;
+ }
+ c->channels = avctx->channels;
+ c->header_parsed = 1;
}
- c->channels = avctx->channels;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
return buf_size;
}
+ if (!c->header_parsed && buf_size >= 2 && AV_RB16(buf) == 0x8000) {
+ int header_size;
+ if ((ret = avpriv_adx_decode_header(avctx, buf, buf_size, &header_size,
+ c->coeff)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "error parsing ADX header\n");
+ return AVERROR_INVALIDDATA;
+ }
+ c->channels = avctx->channels;
+ c->header_parsed = 1;
+ if (buf_size < header_size)
+ return AVERROR_INVALIDDATA;
+ buf += header_size;
+ buf_size -= header_size;
+ }
+ if (!c->header_parsed)
+ return AVERROR_INVALIDDATA;
+
/* calculate number of blocks in the packet */
num_blocks = buf_size / (BLOCK_SIZE * c->channels);
return buf - avpkt->data;
}
+static void adx_decode_flush(AVCodecContext *avctx)
+{
+ ADXContext *c = avctx->priv_data;
+ memset(c->prev, 0, sizeof(c->prev));
+ c->eof = 0;
+}
+
AVCodec ff_adpcm_adx_decoder = {
.name = "adpcm_adx",
.type = AVMEDIA_TYPE_AUDIO,
.priv_data_size = sizeof(ADXContext),
.init = adx_decode_init,
.decode = adx_decode_frame,
+ .flush = adx_decode_flush,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("SEGA CRI ADX ADPCM"),
};