RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-24 08:12:44 +00:00
Code Issues Projects Releases Wiki Activity

wmapro: use planar sample format

Browse Source
This commit is contained in:
Justin Ruggles 2012-08-28 22:49:17 -04:00
parent 2725ce7c7c
commit f9d732c264
1 changed files with 6 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
libavcodec/wmaprodec.c
View File

@ -94,7 +94,6 @@
#include "put_bits.h"
#include "wmaprodata.h"
#include "dsputil.h"
#include "fmtconvert.h"
#include "sinewin.h"
#include "wma.h"
#include "wma_common.h"
@ -171,7 +170,6 @@ typedef struct WMAProDecodeCtx {
AVCodecContext* avctx; ///< codec context for av_log
AVFrame frame; ///< AVFrame for decoded output
DSPContext dsp; ///< accelerated DSP functions
FmtConvertContext fmt_conv;
uint8_t frame_data[MAX_FRAMESIZE +
FF_INPUT_BUFFER_PADDING_SIZE];///< compressed frame data
PutBitContext pb; ///< context for filling the frame_data buffer
@ -283,10 +281,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
s->avctx = avctx;
ff_dsputil_init(&s->dsp, avctx);
ff_fmt_convert_init(&s->fmt_conv, avctx);
init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
if (avctx->extradata_size >= 18) {
s->decode_flags = AV_RL16(edata_ptr+14);
@ -1303,8 +1300,6 @@ static int decode_frame(WMAProDecodeCtx *s, int *got_frame_ptr)
int more_frames = 0;
int len = 0;
int i, ret;
const float *out_ptr[WMAPRO_MAX_CHANNELS];
float *samples;
/** get frame length */
if (s->len_prefix)
@ -1377,13 +1372,11 @@ static int decode_frame(WMAProDecodeCtx *s, int *got_frame_ptr)
s->packet_loss = 1;
return 0;
}
samples = (float *)s->frame.data[0];
/** interleave samples and write them to the output buffer */
/** copy samples to the output buffer */
for (i = 0; i < s->num_channels; i++)
out_ptr[i] = s->channel[i].out;
s->fmt_conv.float_interleave(samples, out_ptr, s->samples_per_frame,
s->num_channels);
memcpy(s->frame.extended_data[i], s->channel[i].out,
s->samples_per_frame * sizeof(*s->channel[i].out));
for (i = 0; i < s->num_channels; i++) {
/** reuse second half of the IMDCT output for the next frame */
@ -1636,4 +1629,6 @@ AVCodec ff_wmapro_decoder = {
.capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DR1,
.flush = flush,
.long_name = NULL_IF_CONFIG_SMALL("Windows Media Audio 9 Professional"),
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
AV_SAMPLE_FMT_NONE },
};