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avcodec/adxenc: add EOF header

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Fixes #8031.
This commit is contained in:
Paul B Mahol 2019-07-24 11:11:35 +02:00 committed by Kieran Kunhya
parent 923d5c489f
commit cc6a1f1417
3 changed files with 24 additions and 5 deletions
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21
libavcodec/adxenc.c
View File

@ -141,10 +141,26 @@ static int adx_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
ADXContext *c = avctx->priv_data;
const int16_t *samples = (const int16_t *)frame->data[0];
const int16_t *samples = frame ? (const int16_t *)frame->data[0] : NULL;
uint8_t *dst;
int ch, out_size, ret;
if (!samples) {
if (c->eof)
return 0;
if ((ret = ff_alloc_packet2(avctx, avpkt, 18, 0)) < 0)
return ret;
c->eof = 1;
dst = avpkt->data;
bytestream_put_be16(&dst, 0x8001);
bytestream_put_be16(&dst, 0x000E);
bytestream_put_be64(&dst, 0x0);
bytestream_put_be32(&dst, 0x0);
bytestream_put_be16(&dst, 0x0);
*got_packet_ptr = 1;
return 0;
}
out_size = BLOCK_SIZE * avctx->channels + !c->header_parsed * HEADER_SIZE;
if ((ret = ff_alloc_packet2(avctx, avpkt, out_size, 0)) < 0)
return ret;
@ -165,6 +181,8 @@ static int adx_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
dst += BLOCK_SIZE;
}
avpkt->pts = frame->pts;
avpkt->duration = frame->nb_samples;
*got_packet_ptr = 1;
return 0;
}
@ -177,6 +195,7 @@ AVCodec ff_adpcm_adx_encoder = {
.priv_data_size = sizeof(ADXContext),
.init = adx_encode_init,
.encode2 = adx_encode_frame,
.capabilities = AV_CODEC_CAP_DELAY,
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16,
AV_SAMPLE_FMT_NONE },
};

4
tests/ref/acodec/adpcm-adx
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@ -1,4 +1,4 @@
6bf1a8e5ec9cc958a31cb2b1b66bfc75 *tests/data/fate/acodec-adpcm-adx.adx
297720 tests/data/fate/acodec-adpcm-adx.adx
c257001314241b469a6512616fd56548 *tests/data/fate/acodec-adpcm-adx.adx
297738 tests/data/fate/acodec-adpcm-adx.adx
5b5a436ec9d528d6eb0bebaf667521b0 *tests/data/fate/acodec-adpcm-adx.out.wav
stddev: 2549.93 PSNR: 28.20 MAXDIFF:57514 bytes: 1058400/ 1058432

4
tests/ref/acodec/adpcm-adx-trellis
View File

@ -1,4 +1,4 @@
6bf1a8e5ec9cc958a31cb2b1b66bfc75 *tests/data/fate/acodec-adpcm-adx-trellis.adx
297720 tests/data/fate/acodec-adpcm-adx-trellis.adx
c257001314241b469a6512616fd56548 *tests/data/fate/acodec-adpcm-adx-trellis.adx
297738 tests/data/fate/acodec-adpcm-adx-trellis.adx
5b5a436ec9d528d6eb0bebaf667521b0 *tests/data/fate/acodec-adpcm-adx-trellis.out.wav
stddev: 2549.93 PSNR: 28.20 MAXDIFF:57514 bytes: 1058400/ 1058432