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authorMichael Niedermayer <michaelni@gmx.at>2012-10-10 13:00:28 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-10 13:01:27 +0200
commiteadba3e94daac2f48fd9ce7c9fdf5a562d3274ed (patch)
treee33c21663364927e22ba4a259ff8afb746e06ec6 /libavcodec/adxdec.c
parentb4e516e30e7004a0454a9009080c4de38987189a (diff)
parentcbcd497f384f0f8ef3f76f85b29b644b900d6b9f (diff)
downloadffmpeg-streaming-eadba3e94daac2f48fd9ce7c9fdf5a562d3274ed.zip
ffmpeg-streaming-eadba3e94daac2f48fd9ce7c9fdf5a562d3274ed.tar.gz
Merge commit 'cbcd497f384f0f8ef3f76f85b29b644b900d6b9f'
* commit 'cbcd497f384f0f8ef3f76f85b29b644b900d6b9f': adxdec: use planar sample format adpcmdec: use planar sample format for adpcm_thp adpcmdec: use planar sample format for adpcm_ea_xas adpcmdec: use planar sample format for adpcm_ea_r1/r2/r3 adpcmdec: use planar sample format for adpcm_xa adpcmdec: use planar sample format for adpcm_ima_ws for vqa version 3 adpcmdec: use planar sample format for adpcm_4xm adpcmdec: use planar sample format for adpcm_ima_wav adpcmdec: use planar sample format for adpcm_ima_qt pcmdec: use planar sample format for pcm_lxf mace: use planar sample format atrac1: use planar sample format build: non-x86: Only compile mpegvideo optimizations when necessary rtpdec_mpeg4: au_headers is a single array, simple av_free is enough avcodec: free extended_data instead address of it fate: Add tests of the ff_make_absolute_url function url: Handle relative urls starting with two slashes url: Handle relative urls being just a new query string url: Don't treat slashes in query parameters as directory separators Conflicts: libavcodec/adxdec.c libavcodec/mips/Makefile libavcodec/pcm.c libavcodec/utils.c libavformat/Makefile libavformat/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/adxdec.c')
-rw-r--r--libavcodec/adxdec.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/libavcodec/adxdec.c b/libavcodec/adxdec.c
index 0ac9bce..901d717 100644
--- a/libavcodec/adxdec.c
+++ b/libavcodec/adxdec.c
@@ -49,7 +49,7 @@ static av_cold int adx_decode_init(AVCodecContext *avctx)
c->header_parsed = 1;
}
- avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+ avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
avcodec_get_frame_defaults(&c->frame);
avctx->coded_frame = &c->frame;
@@ -64,7 +64,8 @@ static av_cold int adx_decode_init(AVCodecContext *avctx)
* 2nd-order LPC filter applied to it to form the output signal for a single
* channel.
*/
-static int adx_decode(ADXContext *c, int16_t *out, const uint8_t *in, int ch)
+static int adx_decode(ADXContext *c, int16_t *out, int offset,
+ const uint8_t *in, int ch)
{
ADXChannelState *prev = &c->prev[ch];
GetBitContext gb;
@@ -77,6 +78,7 @@ static int adx_decode(ADXContext *c, int16_t *out, const uint8_t *in, int ch)
return -1;
init_get_bits(&gb, in + 2, (BLOCK_SIZE - 2) * 8);
+ out += offset;
s1 = prev->s1;
s2 = prev->s2;
for (i = 0; i < BLOCK_SAMPLES; i++) {
@@ -84,8 +86,7 @@ static int adx_decode(ADXContext *c, int16_t *out, const uint8_t *in, int ch)
s0 = ((d << COEFF_BITS) * scale + c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS;
s2 = s1;
s1 = av_clip_int16(s0);
- *out = s1;
- out += c->channels;
+ *out++ = s1;
}
prev->s1 = s1;
prev->s2 = s2;
@@ -98,7 +99,8 @@ static int adx_decode_frame(AVCodecContext *avctx, void *data,
{
int buf_size = avpkt->size;
ADXContext *c = avctx->priv_data;
- int16_t *samples;
+ int16_t **samples;
+ int samples_offset;
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = buf + avpkt->size;
int num_blocks, ch, ret;
@@ -145,11 +147,12 @@ static int adx_decode_frame(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- samples = (int16_t *)c->frame.data[0];
+ samples = (int16_t **)c->frame.extended_data;
+ samples_offset = 0;
while (num_blocks--) {
for (ch = 0; ch < c->channels; ch++) {
- if (buf_end - buf < BLOCK_SIZE || adx_decode(c, samples + ch, buf, ch)) {
+ if (buf_end - buf < BLOCK_SIZE || adx_decode(c, samples[ch], samples_offset, buf, ch)) {
c->eof = 1;
buf = avpkt->data + avpkt->size;
break;
@@ -157,7 +160,7 @@ static int adx_decode_frame(AVCodecContext *avctx, void *data,
buf_size -= BLOCK_SIZE;
buf += BLOCK_SIZE;
}
- samples += BLOCK_SAMPLES * c->channels;
+ samples_offset += BLOCK_SAMPLES;
}
*got_frame_ptr = 1;
@@ -183,4 +186,6 @@ AVCodec ff_adpcm_adx_decoder = {
.flush = adx_decode_flush,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("SEGA CRI ADX ADPCM"),
+ .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+ AV_SAMPLE_FMT_NONE },
};
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