RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

twinvq: use planar sample format

This commit is contained in:
Justin Ruggles 2012-08-28 15:29:40 -04:00
parent a34be78546
commit 1478a3601e
1 changed files with 13 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
libavcodec/twinvq.c
View File

@ -666,7 +666,7 @@ static void imdct_and_window(TwinContext *tctx, enum FrameType ftype, int wtype,
}
static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype,
float *out)
float **out)
{
const ModeTab *mtab = tctx->mtab;
int size1, size2;
@ -685,24 +685,15 @@ static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype,
size2 = tctx->last_block_pos[0];
size1 = mtab->size - size2;
memcpy(&out[0][0 ], prev_buf, size1 * sizeof(out[0][0]));
memcpy(&out[0][size1], tctx->curr_frame, size2 * sizeof(out[0][0]));
if (tctx->avctx->channels == 2) {
tctx->dsp.butterflies_float_interleave(out, prev_buf,
&prev_buf[2*mtab->size],
size1);
out += 2 * size1;
tctx->dsp.butterflies_float_interleave(out, tctx->curr_frame,
&tctx->curr_frame[2*mtab->size],
size2);
} else {
memcpy(out, prev_buf, size1 * sizeof(*out));
out += size1;
memcpy(out, tctx->curr_frame, size2 * sizeof(*out));
memcpy(&out[1][0], &prev_buf[2*mtab->size], size1 * sizeof(out[1][0]));
memcpy(&out[1][size1], &tctx->curr_frame[2*mtab->size], size2 * sizeof(out[1][0]));
tctx->dsp.butterflies_float(out[0], out[1], mtab->size);
}
}
static void dec_bark_env(TwinContext *tctx, const uint8_t *in, int use_hist,
@ -825,7 +816,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data,
TwinContext *tctx = avctx->priv_data;
GetBitContext gb;
const ModeTab *mtab = tctx->mtab;
float *out = NULL;
float **out = NULL;
enum FrameType ftype;
int window_type, ret;
static const enum FrameType wtype_to_ftype_table[] = {
@ -846,7 +837,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
out = (float *)tctx->frame.data[0];
out = (float **)tctx->frame.extended_data;
}
init_get_bits(&gb, buf, buf_size * 8);
@ -1119,7 +1110,7 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
int isampf, ibps;
tctx->avctx = avctx;
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
if (!avctx->extradata || avctx->extradata_size < 12) {
av_log(avctx, AV_LOG_ERROR, "Missing or incomplete extradata\n");
@ -1184,4 +1175,6 @@ AVCodec ff_twinvq_decoder = {
.decode = twin_decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("VQF TwinVQ"),
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
AV_SAMPLE_FMT_NONE },
};