#include "bytestream.h"
#include "adpcm.h"
#include "adpcm_data.h"
+#include "internal.h"
/**
* @file
/* end of tables */
typedef struct ADPCMDecodeContext {
- AVFrame frame;
ADPCMChannelStatus status[6];
int vqa_version; /**< VQA version. Used for ADPCM_IMA_WS */
} ADPCMDecodeContext;
unsigned int max_channels = 2;
switch(avctx->codec->id) {
- case CODEC_ID_ADPCM_EA:
+ case AV_CODEC_ID_ADPCM_EA:
min_channels = 2;
break;
- case CODEC_ID_ADPCM_EA_R1:
- case CODEC_ID_ADPCM_EA_R2:
- case CODEC_ID_ADPCM_EA_R3:
- case CODEC_ID_ADPCM_EA_XAS:
+ case AV_CODEC_ID_ADPCM_EA_R1:
+ case AV_CODEC_ID_ADPCM_EA_R2:
+ case AV_CODEC_ID_ADPCM_EA_R3:
+ case AV_CODEC_ID_ADPCM_EA_XAS:
max_channels = 6;
break;
}
}
switch(avctx->codec->id) {
- case CODEC_ID_ADPCM_CT:
+ case AV_CODEC_ID_ADPCM_CT:
c->status[0].step = c->status[1].step = 511;
break;
- case CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
if (avctx->bits_per_coded_sample != 4) {
av_log(avctx, AV_LOG_ERROR, "Only 4-bit ADPCM IMA WAV files are supported\n");
return -1;
}
break;
- case CODEC_ID_ADPCM_IMA_APC:
+ case AV_CODEC_ID_ADPCM_IMA_APC:
if (avctx->extradata && avctx->extradata_size >= 8) {
c->status[0].predictor = AV_RL32(avctx->extradata);
c->status[1].predictor = AV_RL32(avctx->extradata + 4);
}
break;
- case CODEC_ID_ADPCM_IMA_WS:
+ case AV_CODEC_ID_ADPCM_IMA_WS:
if (avctx->extradata && avctx->extradata_size >= 2)
c->vqa_version = AV_RL16(avctx->extradata);
break;
default:
break;
}
- avctx->sample_fmt = AV_SAMPLE_FMT_S16;
- avcodec_get_frame_defaults(&c->frame);
- avctx->coded_frame = &c->frame;
+ switch(avctx->codec->id) {
+ case AV_CODEC_ID_ADPCM_IMA_QT:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ADPCM_4XM:
+ case AV_CODEC_ID_ADPCM_XA:
+ case AV_CODEC_ID_ADPCM_EA_R1:
+ case AV_CODEC_ID_ADPCM_EA_R2:
+ case AV_CODEC_ID_ADPCM_EA_R3:
+ case AV_CODEC_ID_ADPCM_EA_XAS:
+ case AV_CODEC_ID_ADPCM_THP:
+ avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
+ break;
+ case AV_CODEC_ID_ADPCM_IMA_WS:
+ avctx->sample_fmt = c->vqa_version == 3 ? AV_SAMPLE_FMT_S16P :
+ AV_SAMPLE_FMT_S16;
+ break;
+ default:
+ avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+ }
return 0;
}
return c->predictor;
}
-static int xa_decode(AVCodecContext *avctx,
- short *out, const unsigned char *in,
- ADPCMChannelStatus *left, ADPCMChannelStatus *right, int inc)
+static int xa_decode(AVCodecContext *avctx, int16_t *out0, int16_t *out1,
+ const uint8_t *in, ADPCMChannelStatus *left,
+ ADPCMChannelStatus *right, int channels, int sample_offset)
{
int i, j;
int shift,filter,f0,f1;
int s_1,s_2;
int d,s,t;
- for(i=0;i<4;i++) {
+ out0 += sample_offset;
+ if (channels == 1)
+ out1 = out0 + 28;
+ else
+ out1 += sample_offset;
+ for(i=0;i<4;i++) {
shift = 12 - (in[4+i*2] & 15);
filter = in[4+i*2] >> 4;
if (filter > 4) {
s = ( t<<shift ) + ((s_1*f0 + s_2*f1+32)>>6);
s_2 = s_1;
s_1 = av_clip_int16(s);
- *out = s_1;
- out += inc;
+ out0[j] = s_1;
}
- if (inc==2) { /* stereo */
+ if (channels == 2) {
left->sample1 = s_1;
left->sample2 = s_2;
s_1 = right->sample1;
s_2 = right->sample2;
- out = out + 1 - 28*2;
}
shift = 12 - (in[5+i*2] & 15);
s = ( t<<shift ) + ((s_1*f0 + s_2*f1+32)>>6);
s_2 = s_1;
s_1 = av_clip_int16(s);
- *out = s_1;
- out += inc;
+ out1[j] = s_1;
}
- if (inc==2) { /* stereo */
+ if (channels == 2) {
right->sample1 = s_1;
right->sample2 = s_2;
- out -= 1;
} else {
left->sample1 = s_1;
left->sample2 = s_2;
}
+
+ out0 += 28 * (3 - channels);
+ out1 += 28 * (3 - channels);
}
return 0;
//read bits & initial values
nb_bits = get_bits(&gb, 2)+2;
- //av_log(NULL,AV_LOG_INFO,"nb_bits: %d\n", nb_bits);
table = swf_index_tables[nb_bits-2];
k0 = 1 << (nb_bits-2);
signmask = 1 << (nb_bits-1);
switch (avctx->codec->id) {
/* constant, only check buf_size */
- case CODEC_ID_ADPCM_EA_XAS:
+ case AV_CODEC_ID_ADPCM_EA_XAS:
if (buf_size < 76 * ch)
return 0;
nb_samples = 128;
break;
- case CODEC_ID_ADPCM_IMA_QT:
+ case AV_CODEC_ID_ADPCM_IMA_QT:
if (buf_size < 34 * ch)
return 0;
nb_samples = 64;
break;
/* simple 4-bit adpcm */
- case CODEC_ID_ADPCM_CT:
- case CODEC_ID_ADPCM_IMA_APC:
- case CODEC_ID_ADPCM_IMA_EA_SEAD:
- case CODEC_ID_ADPCM_IMA_WS:
- case CODEC_ID_ADPCM_YAMAHA:
+ case AV_CODEC_ID_ADPCM_CT:
+ case AV_CODEC_ID_ADPCM_IMA_APC:
+ case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
+ case AV_CODEC_ID_ADPCM_IMA_WS:
+ case AV_CODEC_ID_ADPCM_YAMAHA:
nb_samples = buf_size * 2 / ch;
break;
}
/* simple 4-bit adpcm, with header */
header_size = 0;
switch (avctx->codec->id) {
- case CODEC_ID_ADPCM_4XM:
- case CODEC_ID_ADPCM_IMA_ISS: header_size = 4 * ch; break;
- case CODEC_ID_ADPCM_IMA_AMV: header_size = 8; break;
- case CODEC_ID_ADPCM_IMA_SMJPEG: header_size = 4; break;
+ case AV_CODEC_ID_ADPCM_4XM:
+ case AV_CODEC_ID_ADPCM_IMA_ISS: header_size = 4 * ch; break;
+ case AV_CODEC_ID_ADPCM_IMA_AMV: header_size = 8; break;
+ case AV_CODEC_ID_ADPCM_IMA_SMJPEG: header_size = 4; break;
}
if (header_size > 0)
return (buf_size - header_size) * 2 / ch;
/* more complex formats */
switch (avctx->codec->id) {
- case CODEC_ID_ADPCM_EA:
+ case AV_CODEC_ID_ADPCM_EA:
has_coded_samples = 1;
*coded_samples = bytestream2_get_le32(gb);
*coded_samples -= *coded_samples % 28;
nb_samples = (buf_size - 12) / 30 * 28;
break;
- case CODEC_ID_ADPCM_IMA_EA_EACS:
+ case AV_CODEC_ID_ADPCM_IMA_EA_EACS:
has_coded_samples = 1;
*coded_samples = bytestream2_get_le32(gb);
nb_samples = (buf_size - (4 + 8 * ch)) * 2 / ch;
break;
- case CODEC_ID_ADPCM_EA_MAXIS_XA:
+ case AV_CODEC_ID_ADPCM_EA_MAXIS_XA:
nb_samples = (buf_size - ch) / ch * 2;
break;
- case CODEC_ID_ADPCM_EA_R1:
- case CODEC_ID_ADPCM_EA_R2:
- case CODEC_ID_ADPCM_EA_R3:
+ case AV_CODEC_ID_ADPCM_EA_R1:
+ case AV_CODEC_ID_ADPCM_EA_R2:
+ case AV_CODEC_ID_ADPCM_EA_R3:
/* maximum number of samples */
/* has internal offsets and a per-frame switch to signal raw 16-bit */
has_coded_samples = 1;
switch (avctx->codec->id) {
- case CODEC_ID_ADPCM_EA_R1:
+ case AV_CODEC_ID_ADPCM_EA_R1:
header_size = 4 + 9 * ch;
*coded_samples = bytestream2_get_le32(gb);
break;
- case CODEC_ID_ADPCM_EA_R2:
+ case AV_CODEC_ID_ADPCM_EA_R2:
header_size = 4 + 5 * ch;
*coded_samples = bytestream2_get_le32(gb);
break;
- case CODEC_ID_ADPCM_EA_R3:
+ case AV_CODEC_ID_ADPCM_EA_R3:
header_size = 4 + 5 * ch;
*coded_samples = bytestream2_get_be32(gb);
break;
nb_samples = (buf_size - header_size) * 2 / ch;
nb_samples -= nb_samples % 28;
break;
- case CODEC_ID_ADPCM_IMA_DK3:
+ case AV_CODEC_ID_ADPCM_IMA_DK3:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = ((buf_size - 16) * 2 / 3 * 4) / ch;
break;
- case CODEC_ID_ADPCM_IMA_DK4:
+ case AV_CODEC_ID_ADPCM_IMA_DK4:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = 1 + (buf_size - 4 * ch) * 2 / ch;
break;
- case CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = 1 + (buf_size - 4 * ch) / (4 * ch) * 8;
break;
- case CODEC_ID_ADPCM_MS:
+ case AV_CODEC_ID_ADPCM_MS:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = 2 + (buf_size - 7 * ch) * 2 / ch;
break;
- case CODEC_ID_ADPCM_SBPRO_2:
- case CODEC_ID_ADPCM_SBPRO_3:
- case CODEC_ID_ADPCM_SBPRO_4:
+ case AV_CODEC_ID_ADPCM_SBPRO_2:
+ case AV_CODEC_ID_ADPCM_SBPRO_3:
+ case AV_CODEC_ID_ADPCM_SBPRO_4:
{
int samples_per_byte;
switch (avctx->codec->id) {
- case CODEC_ID_ADPCM_SBPRO_2: samples_per_byte = 4; break;
- case CODEC_ID_ADPCM_SBPRO_3: samples_per_byte = 3; break;
- case CODEC_ID_ADPCM_SBPRO_4: samples_per_byte = 2; break;
+ case AV_CODEC_ID_ADPCM_SBPRO_2: samples_per_byte = 4; break;
+ case AV_CODEC_ID_ADPCM_SBPRO_3: samples_per_byte = 3; break;
+ case AV_CODEC_ID_ADPCM_SBPRO_4: samples_per_byte = 2; break;
}
if (!s->status[0].step_index) {
nb_samples++;
nb_samples += buf_size * samples_per_byte / ch;
break;
}
- case CODEC_ID_ADPCM_SWF:
+ case AV_CODEC_ID_ADPCM_SWF:
{
int buf_bits = buf_size * 8 - 2;
int nbits = (bytestream2_get_byte(gb) >> 6) + 2;
nb_samples += 1 + (bits_left - block_hdr_size) / (nbits * ch);
break;
}
- case CODEC_ID_ADPCM_THP:
+ case AV_CODEC_ID_ADPCM_THP:
has_coded_samples = 1;
bytestream2_skip(gb, 4); // channel size
*coded_samples = bytestream2_get_be32(gb);
*coded_samples -= *coded_samples % 14;
nb_samples = (buf_size - 80) / (8 * ch) * 14;
break;
- case CODEC_ID_ADPCM_XA:
+ case AV_CODEC_ID_ADPCM_XA:
nb_samples = (buf_size / 128) * 224 / ch;
break;
}
static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
+ AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
ADPCMDecodeContext *c = avctx->priv_data;
ADPCMChannelStatus *cs;
int n, m, channel, i;
short *samples;
+ int16_t **samples_p;
int st; /* stereo */
int count1, count2;
int nb_samples, coded_samples, ret;
}
/* get output buffer */
- c->frame.nb_samples = nb_samples;
- if ((ret = avctx->get_buffer(avctx, &c->frame)) < 0) {
+ frame->nb_samples = nb_samples;
+ if ((ret = ff_get_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- samples = (short *)c->frame.data[0];
+ samples = (short *)frame->data[0];
+ samples_p = (int16_t **)frame->extended_data;
/* use coded_samples when applicable */
/* it is always <= nb_samples, so the output buffer will be large enough */
if (coded_samples) {
if (coded_samples != nb_samples)
av_log(avctx, AV_LOG_WARNING, "mismatch in coded sample count\n");
- c->frame.nb_samples = nb_samples = coded_samples;
+ frame->nb_samples = nb_samples = coded_samples;
}
st = avctx->channels == 2 ? 1 : 0;
switch(avctx->codec->id) {
- case CODEC_ID_ADPCM_IMA_QT:
+ case AV_CODEC_ID_ADPCM_IMA_QT:
/* In QuickTime, IMA is encoded by chunks of 34 bytes (=64 samples).
Channel data is interleaved per-chunk. */
for (channel = 0; channel < avctx->channels; channel++) {
return AVERROR_INVALIDDATA;
}
- samples = (short *)c->frame.data[0] + channel;
+ samples = samples_p[channel];
- for (m = 0; m < 32; m++) {
+ for (m = 0; m < 64; m += 2) {
int byte = bytestream2_get_byteu(&gb);
- *samples = adpcm_ima_qt_expand_nibble(cs, byte & 0x0F, 3);
- samples += avctx->channels;
- *samples = adpcm_ima_qt_expand_nibble(cs, byte >> 4 , 3);
- samples += avctx->channels;
+ samples[m ] = adpcm_ima_qt_expand_nibble(cs, byte & 0x0F, 3);
+ samples[m + 1] = adpcm_ima_qt_expand_nibble(cs, byte >> 4 , 3);
}
}
break;
- case CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
for(i=0; i<avctx->channels; i++){
cs = &(c->status[i]);
- cs->predictor = *samples++ = sign_extend(bytestream2_get_le16u(&gb), 16);
+ cs->predictor = samples_p[i][0] = sign_extend(bytestream2_get_le16u(&gb), 16);
cs->step_index = sign_extend(bytestream2_get_le16u(&gb), 16);
if (cs->step_index > 88u){
}
}
- for (n = (nb_samples - 1) / 8; n > 0; n--) {
+ for (n = 0; n < (nb_samples - 1) / 8; n++) {
for (i = 0; i < avctx->channels; i++) {
cs = &c->status[i];
- for (m = 0; m < 4; m++) {
+ samples = &samples_p[i][1 + n * 8];
+ for (m = 0; m < 8; m += 2) {
int v = bytestream2_get_byteu(&gb);
- *samples = adpcm_ima_expand_nibble(cs, v & 0x0F, 3);
- samples += avctx->channels;
- *samples = adpcm_ima_expand_nibble(cs, v >> 4 , 3);
- samples += avctx->channels;
+ samples[m ] = adpcm_ima_expand_nibble(cs, v & 0x0F, 3);
+ samples[m + 1] = adpcm_ima_expand_nibble(cs, v >> 4 , 3);
}
- samples -= 8 * avctx->channels - 1;
}
- samples += 7 * avctx->channels;
}
break;
- case CODEC_ID_ADPCM_4XM:
+ case AV_CODEC_ID_ADPCM_4XM:
for (i = 0; i < avctx->channels; i++)
c->status[i].predictor = sign_extend(bytestream2_get_le16u(&gb), 16);
}
for (i = 0; i < avctx->channels; i++) {
- samples = (short *)c->frame.data[0] + i;
+ samples = (int16_t *)frame->data[i];
cs = &c->status[i];
for (n = nb_samples >> 1; n > 0; n--) {
int v = bytestream2_get_byteu(&gb);
- *samples = adpcm_ima_expand_nibble(cs, v & 0x0F, 4);
- samples += avctx->channels;
- *samples = adpcm_ima_expand_nibble(cs, v >> 4 , 4);
- samples += avctx->channels;
+ *samples++ = adpcm_ima_expand_nibble(cs, v & 0x0F, 4);
+ *samples++ = adpcm_ima_expand_nibble(cs, v >> 4 , 4);
}
}
break;
- case CODEC_ID_ADPCM_MS:
+ case AV_CODEC_ID_ADPCM_MS:
{
int block_predictor;
}
break;
}
- case CODEC_ID_ADPCM_IMA_DK4:
+ case AV_CODEC_ID_ADPCM_IMA_DK4:
for (channel = 0; channel < avctx->channels; channel++) {
cs = &c->status[channel];
cs->predictor = *samples++ = sign_extend(bytestream2_get_le16u(&gb), 16);
*samples++ = adpcm_ima_expand_nibble(&c->status[st], v & 0x0F, 3);
}
break;
- case CODEC_ID_ADPCM_IMA_DK3:
+ case AV_CODEC_ID_ADPCM_IMA_DK3:
{
int last_byte = 0;
int nibble;
}
break;
}
- case CODEC_ID_ADPCM_IMA_ISS:
+ case AV_CODEC_ID_ADPCM_IMA_ISS:
for (channel = 0; channel < avctx->channels; channel++) {
cs = &c->status[channel];
cs->predictor = sign_extend(bytestream2_get_le16u(&gb), 16);
*samples++ = adpcm_ima_expand_nibble(&c->status[st], v2, 3);
}
break;
- case CODEC_ID_ADPCM_IMA_APC:
+ case AV_CODEC_ID_ADPCM_IMA_APC:
while (bytestream2_get_bytes_left(&gb) > 0) {
int v = bytestream2_get_byteu(&gb);
*samples++ = adpcm_ima_expand_nibble(&c->status[0], v >> 4 , 3);
*samples++ = adpcm_ima_expand_nibble(&c->status[st], v & 0x0F, 3);
}
break;
- case CODEC_ID_ADPCM_IMA_WS:
+ case AV_CODEC_ID_ADPCM_IMA_WS:
if (c->vqa_version == 3) {
for (channel = 0; channel < avctx->channels; channel++) {
- int16_t *smp = samples + channel;
+ int16_t *smp = samples_p[channel];
for (n = nb_samples / 2; n > 0; n--) {
int v = bytestream2_get_byteu(&gb);
- *smp = adpcm_ima_expand_nibble(&c->status[channel], v >> 4 , 3);
- smp += avctx->channels;
- *smp = adpcm_ima_expand_nibble(&c->status[channel], v & 0x0F, 3);
- smp += avctx->channels;
+ *smp++ = adpcm_ima_expand_nibble(&c->status[channel], v >> 4 , 3);
+ *smp++ = adpcm_ima_expand_nibble(&c->status[channel], v & 0x0F, 3);
}
}
} else {
}
bytestream2_seek(&gb, 0, SEEK_END);
break;
- case CODEC_ID_ADPCM_XA:
+ case AV_CODEC_ID_ADPCM_XA:
+ {
+ int16_t *out0 = samples_p[0];
+ int16_t *out1 = samples_p[1];
+ int samples_per_block = 28 * (3 - avctx->channels) * 4;
+ int sample_offset = 0;
while (bytestream2_get_bytes_left(&gb) >= 128) {
- if ((ret = xa_decode(avctx, samples, buf + bytestream2_tell(&gb), &c->status[0],
- &c->status[1], avctx->channels)) < 0)
+ if ((ret = xa_decode(avctx, out0, out1, buf + bytestream2_tell(&gb),
+ &c->status[0], &c->status[1],
+ avctx->channels, sample_offset)) < 0)
return ret;
bytestream2_skipu(&gb, 128);
- samples += 28 * 8;
+ sample_offset += samples_per_block;
}
break;
- case CODEC_ID_ADPCM_IMA_EA_EACS:
+ }
+ case AV_CODEC_ID_ADPCM_IMA_EA_EACS:
for (i=0; i<=st; i++) {
c->status[i].step_index = bytestream2_get_le32u(&gb);
if (c->status[i].step_index > 88u) {
*samples++ = adpcm_ima_expand_nibble(&c->status[st], byte & 0x0F, 3);
}
break;
- case CODEC_ID_ADPCM_IMA_EA_SEAD:
+ case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
for (n = nb_samples >> (1 - st); n > 0; n--) {
int byte = bytestream2_get_byteu(&gb);
*samples++ = adpcm_ima_expand_nibble(&c->status[0], byte >> 4, 6);
*samples++ = adpcm_ima_expand_nibble(&c->status[st], byte & 0x0F, 6);
}
break;
- case CODEC_ID_ADPCM_EA:
+ case AV_CODEC_ID_ADPCM_EA:
{
int previous_left_sample, previous_right_sample;
int current_left_sample, current_right_sample;
break;
}
- case CODEC_ID_ADPCM_EA_MAXIS_XA:
+ case AV_CODEC_ID_ADPCM_EA_MAXIS_XA:
{
int coeff[2][2], shift[2];
bytestream2_seek(&gb, 0, SEEK_END);
break;
}
- case CODEC_ID_ADPCM_EA_R1:
- case CODEC_ID_ADPCM_EA_R2:
- case CODEC_ID_ADPCM_EA_R3: {
+ case AV_CODEC_ID_ADPCM_EA_R1:
+ case AV_CODEC_ID_ADPCM_EA_R2:
+ case AV_CODEC_ID_ADPCM_EA_R3: {
/* channel numbering
2chan: 0=fl, 1=fr
4chan: 0=fl, 1=rl, 2=fr, 3=rr
6chan: 0=fl, 1=c, 2=fr, 3=rl, 4=rr, 5=sub */
- const int big_endian = avctx->codec->id == CODEC_ID_ADPCM_EA_R3;
+ const int big_endian = avctx->codec->id == AV_CODEC_ID_ADPCM_EA_R3;
int previous_sample, current_sample, next_sample;
int coeff1, coeff2;
int shift;
for (channel=0; channel<avctx->channels; channel++) {
bytestream2_seek(&gb, offsets[channel], SEEK_SET);
- samplesC = samples + channel;
+ samplesC = samples_p[channel];
- if (avctx->codec->id == CODEC_ID_ADPCM_EA_R1) {
+ if (avctx->codec->id == AV_CODEC_ID_ADPCM_EA_R1) {
current_sample = sign_extend(bytestream2_get_le16(&gb), 16);
previous_sample = sign_extend(bytestream2_get_le16(&gb), 16);
} else {
current_sample = sign_extend(bytestream2_get_be16(&gb), 16);
previous_sample = sign_extend(bytestream2_get_be16(&gb), 16);
- for (count2=0; count2<28; count2++) {
- *samplesC = sign_extend(bytestream2_get_be16(&gb), 16);
- samplesC += avctx->channels;
- }
+ for (count2=0; count2<28; count2++)
+ *samplesC++ = sign_extend(bytestream2_get_be16(&gb), 16);
} else {
coeff1 = ea_adpcm_table[ byte >> 4 ];
coeff2 = ea_adpcm_table[(byte >> 4) + 4];
previous_sample = current_sample;
current_sample = next_sample;
- *samplesC = current_sample;
- samplesC += avctx->channels;
+ *samplesC++ = current_sample;
}
}
}
count = FFMAX(count, count1);
}
- if (avctx->codec->id != CODEC_ID_ADPCM_EA_R1) {
+ if (avctx->codec->id != AV_CODEC_ID_ADPCM_EA_R1) {
c->status[channel].predictor = current_sample;
c->status[channel].prev_sample = previous_sample;
}
}
- c->frame.nb_samples = count * 28;
+ frame->nb_samples = count * 28;
bytestream2_seek(&gb, 0, SEEK_END);
break;
}
- case CODEC_ID_ADPCM_EA_XAS:
+ case AV_CODEC_ID_ADPCM_EA_XAS:
for (channel=0; channel<avctx->channels; channel++) {
int coeff[2][4], shift[4];
- short *s2, *s = &samples[channel];
- for (n=0; n<4; n++, s+=32*avctx->channels) {
+ int16_t *s = samples_p[channel];
+ for (n = 0; n < 4; n++, s += 32) {
int val = sign_extend(bytestream2_get_le16u(&gb), 16);
for (i=0; i<2; i++)
coeff[i][n] = ea_adpcm_table[(val&0x0F)+4*i];
val = sign_extend(bytestream2_get_le16u(&gb), 16);
shift[n] = 20 - (val & 0x0F);
- s[avctx->channels] = val & ~0x0F;
+ s[1] = val & ~0x0F;
}
for (m=2; m<32; m+=2) {
- s = &samples[m*avctx->channels + channel];
- for (n=0; n<4; n++, s+=32*avctx->channels) {
+ s = &samples_p[channel][m];
+ for (n = 0; n < 4; n++, s += 32) {
+ int level, pred;
int byte = bytestream2_get_byteu(&gb);
- for (s2=s, i=0; i<8; i+=4, s2+=avctx->channels) {
- int level = sign_extend(byte >> (4 - i), 4) << shift[n];
- int pred = s2[-1*avctx->channels] * coeff[0][n]
- + s2[-2*avctx->channels] * coeff[1][n];
- s2[0] = av_clip_int16((level + pred + 0x80) >> 8);
- }
+
+ level = sign_extend(byte >> 4, 4) << shift[n];
+ pred = s[-1] * coeff[0][n] + s[-2] * coeff[1][n];
+ s[0] = av_clip_int16((level + pred + 0x80) >> 8);
+
+ level = sign_extend(byte, 4) << shift[n];
+ pred = s[0] * coeff[0][n] + s[-1] * coeff[1][n];
+ s[1] = av_clip_int16((level + pred + 0x80) >> 8);
}
}
}
break;
- case CODEC_ID_ADPCM_IMA_AMV:
- case CODEC_ID_ADPCM_IMA_SMJPEG:
- if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV) {
+ case AV_CODEC_ID_ADPCM_IMA_AMV:
+ case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
+ if (avctx->codec->id == AV_CODEC_ID_ADPCM_IMA_AMV) {
c->status[0].predictor = sign_extend(bytestream2_get_le16u(&gb), 16);
c->status[0].step_index = bytestream2_get_le16u(&gb);
bytestream2_skipu(&gb, 4);
for (n = nb_samples >> (1 - st); n > 0; n--) {
int hi, lo, v = bytestream2_get_byteu(&gb);
- if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV) {
+ if (avctx->codec->id == AV_CODEC_ID_ADPCM_IMA_AMV) {
hi = v & 0x0F;
lo = v >> 4;
} else {
*samples++ = adpcm_ima_expand_nibble(&c->status[0], hi, 3);
}
break;
- case CODEC_ID_ADPCM_CT:
+ case AV_CODEC_ID_ADPCM_CT:
for (n = nb_samples >> (1 - st); n > 0; n--) {
int v = bytestream2_get_byteu(&gb);
*samples++ = adpcm_ct_expand_nibble(&c->status[0 ], v >> 4 );
*samples++ = adpcm_ct_expand_nibble(&c->status[st], v & 0x0F);
}
break;
- case CODEC_ID_ADPCM_SBPRO_4:
- case CODEC_ID_ADPCM_SBPRO_3:
- case CODEC_ID_ADPCM_SBPRO_2:
+ case AV_CODEC_ID_ADPCM_SBPRO_4:
+ case AV_CODEC_ID_ADPCM_SBPRO_3:
+ case AV_CODEC_ID_ADPCM_SBPRO_2:
if (!c->status[0].step_index) {
/* the first byte is a raw sample */
*samples++ = 128 * (bytestream2_get_byteu(&gb) - 0x80);
c->status[0].step_index = 1;
nb_samples--;
}
- if (avctx->codec->id == CODEC_ID_ADPCM_SBPRO_4) {
+ if (avctx->codec->id == AV_CODEC_ID_ADPCM_SBPRO_4) {
for (n = nb_samples >> (1 - st); n > 0; n--) {
int byte = bytestream2_get_byteu(&gb);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
*samples++ = adpcm_sbpro_expand_nibble(&c->status[st],
byte & 0x0F, 4, 0);
}
- } else if (avctx->codec->id == CODEC_ID_ADPCM_SBPRO_3) {
+ } else if (avctx->codec->id == AV_CODEC_ID_ADPCM_SBPRO_3) {
for (n = nb_samples / 3; n > 0; n--) {
int byte = bytestream2_get_byteu(&gb);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
}
}
break;
- case CODEC_ID_ADPCM_SWF:
+ case AV_CODEC_ID_ADPCM_SWF:
adpcm_swf_decode(avctx, buf, buf_size, samples);
bytestream2_seek(&gb, 0, SEEK_END);
break;
- case CODEC_ID_ADPCM_YAMAHA:
+ case AV_CODEC_ID_ADPCM_YAMAHA:
for (n = nb_samples >> (1 - st); n > 0; n--) {
int v = bytestream2_get_byteu(&gb);
*samples++ = adpcm_yamaha_expand_nibble(&c->status[0 ], v & 0x0F);
*samples++ = adpcm_yamaha_expand_nibble(&c->status[st], v >> 4 );
}
break;
- case CODEC_ID_ADPCM_THP:
+ case AV_CODEC_ID_ADPCM_THP:
{
int table[2][16];
int prev[2][2];
prev[i][n] = sign_extend(bytestream2_get_be16u(&gb), 16);
for (ch = 0; ch <= st; ch++) {
- samples = (short *)c->frame.data[0] + ch;
+ samples = samples_p[ch];
/* Read in every sample for this channel. */
for (i = 0; i < nb_samples / 14; i++) {
*samples = av_clip_int16(sampledat);
prev[ch][1] = prev[ch][0];
prev[ch][0] = *samples++;
-
- /* In case of stereo, skip one sample, this sample
- is for the other channel. */
- samples += st;
}
}
}
return -1;
}
- *got_frame_ptr = 1;
- *(AVFrame *)data = c->frame;
+ *got_frame_ptr = 1;
return bytestream2_tell(&gb);
}
-#define ADPCM_DECODER(id_, name_, long_name_) \
+static const enum AVSampleFormat sample_fmts_s16[] = { AV_SAMPLE_FMT_S16,
+ AV_SAMPLE_FMT_NONE };
+static const enum AVSampleFormat sample_fmts_s16p[] = { AV_SAMPLE_FMT_S16,
+ AV_SAMPLE_FMT_NONE };
+static const enum AVSampleFormat sample_fmts_both[] = { AV_SAMPLE_FMT_S16,
+ AV_SAMPLE_FMT_S16P,
+ AV_SAMPLE_FMT_NONE };
+
+#define ADPCM_DECODER(id_, sample_fmts_, name_, long_name_) \
AVCodec ff_ ## name_ ## _decoder = { \
.name = #name_, \
.type = AVMEDIA_TYPE_AUDIO, \
.decode = adpcm_decode_frame, \
.capabilities = CODEC_CAP_DR1, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
+ .sample_fmts = sample_fmts_, \
}
/* Note: Do not forget to add new entries to the Makefile as well. */
-ADPCM_DECODER(CODEC_ID_ADPCM_4XM, adpcm_4xm, "ADPCM 4X Movie");
-ADPCM_DECODER(CODEC_ID_ADPCM_CT, adpcm_ct, "ADPCM Creative Technology");
-ADPCM_DECODER(CODEC_ID_ADPCM_EA, adpcm_ea, "ADPCM Electronic Arts");
-ADPCM_DECODER(CODEC_ID_ADPCM_EA_MAXIS_XA, adpcm_ea_maxis_xa, "ADPCM Electronic Arts Maxis CDROM XA");
-ADPCM_DECODER(CODEC_ID_ADPCM_EA_R1, adpcm_ea_r1, "ADPCM Electronic Arts R1");
-ADPCM_DECODER(CODEC_ID_ADPCM_EA_R2, adpcm_ea_r2, "ADPCM Electronic Arts R2");
-ADPCM_DECODER(CODEC_ID_ADPCM_EA_R3, adpcm_ea_r3, "ADPCM Electronic Arts R3");
-ADPCM_DECODER(CODEC_ID_ADPCM_EA_XAS, adpcm_ea_xas, "ADPCM Electronic Arts XAS");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_AMV, adpcm_ima_amv, "ADPCM IMA AMV");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_APC, adpcm_ima_apc, "ADPCM IMA CRYO APC");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3, "ADPCM IMA Duck DK3");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4, "ADPCM IMA Duck DK4");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_EA_EACS, adpcm_ima_ea_eacs, "ADPCM IMA Electronic Arts EACS");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_EA_SEAD, adpcm_ima_ea_sead, "ADPCM IMA Electronic Arts SEAD");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_ISS, adpcm_ima_iss, "ADPCM IMA Funcom ISS");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt, "ADPCM IMA QuickTime");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_SMJPEG, adpcm_ima_smjpeg, "ADPCM IMA Loki SDL MJPEG");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav, "ADPCM IMA WAV");
-ADPCM_DECODER(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws, "ADPCM IMA Westwood");
-ADPCM_DECODER(CODEC_ID_ADPCM_MS, adpcm_ms, "ADPCM Microsoft");
-ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_2, adpcm_sbpro_2, "ADPCM Sound Blaster Pro 2-bit");
-ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3, "ADPCM Sound Blaster Pro 2.6-bit");
-ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4, "ADPCM Sound Blaster Pro 4-bit");
-ADPCM_DECODER(CODEC_ID_ADPCM_SWF, adpcm_swf, "ADPCM Shockwave Flash");
-ADPCM_DECODER(CODEC_ID_ADPCM_THP, adpcm_thp, "ADPCM Nintendo Gamecube THP");
-ADPCM_DECODER(CODEC_ID_ADPCM_XA, adpcm_xa, "ADPCM CDROM XA");
-ADPCM_DECODER(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha, "ADPCM Yamaha");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_4XM, sample_fmts_s16p, adpcm_4xm, "ADPCM 4X Movie");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_CT, sample_fmts_s16, adpcm_ct, "ADPCM Creative Technology");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA, sample_fmts_s16, adpcm_ea, "ADPCM Electronic Arts");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_MAXIS_XA, sample_fmts_s16, adpcm_ea_maxis_xa, "ADPCM Electronic Arts Maxis CDROM XA");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_R1, sample_fmts_s16p, adpcm_ea_r1, "ADPCM Electronic Arts R1");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_R2, sample_fmts_s16p, adpcm_ea_r2, "ADPCM Electronic Arts R2");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_R3, sample_fmts_s16p, adpcm_ea_r3, "ADPCM Electronic Arts R3");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_XAS, sample_fmts_s16p, adpcm_ea_xas, "ADPCM Electronic Arts XAS");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_AMV, sample_fmts_s16, adpcm_ima_amv, "ADPCM IMA AMV");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_APC, sample_fmts_s16, adpcm_ima_apc, "ADPCM IMA CRYO APC");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_DK3, sample_fmts_s16, adpcm_ima_dk3, "ADPCM IMA Duck DK3");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_DK4, sample_fmts_s16, adpcm_ima_dk4, "ADPCM IMA Duck DK4");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_EA_EACS, sample_fmts_s16, adpcm_ima_ea_eacs, "ADPCM IMA Electronic Arts EACS");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_EA_SEAD, sample_fmts_s16, adpcm_ima_ea_sead, "ADPCM IMA Electronic Arts SEAD");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_ISS, sample_fmts_s16, adpcm_ima_iss, "ADPCM IMA Funcom ISS");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_QT, sample_fmts_s16p, adpcm_ima_qt, "ADPCM IMA QuickTime");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_SMJPEG, sample_fmts_s16, adpcm_ima_smjpeg, "ADPCM IMA Loki SDL MJPEG");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_WAV, sample_fmts_s16p, adpcm_ima_wav, "ADPCM IMA WAV");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_WS, sample_fmts_both, adpcm_ima_ws, "ADPCM IMA Westwood");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_MS, sample_fmts_s16, adpcm_ms, "ADPCM Microsoft");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_SBPRO_2, sample_fmts_s16, adpcm_sbpro_2, "ADPCM Sound Blaster Pro 2-bit");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_SBPRO_3, sample_fmts_s16, adpcm_sbpro_3, "ADPCM Sound Blaster Pro 2.6-bit");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_SBPRO_4, sample_fmts_s16, adpcm_sbpro_4, "ADPCM Sound Blaster Pro 4-bit");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_SWF, sample_fmts_s16, adpcm_swf, "ADPCM Shockwave Flash");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_THP, sample_fmts_s16p, adpcm_thp, "ADPCM Nintendo Gamecube THP");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_XA, sample_fmts_s16p, adpcm_xa, "ADPCM CDROM XA");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_YAMAHA, sample_fmts_s16, adpcm_yamaha, "ADPCM Yamaha");
projects / ffmpeg / blobdiff