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evrcdec: decode directly to the user-provided AVFrame

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-02-13 12:24:52 +00:00
parent 2cced2a854
commit 8f7c7ff2d6
1 changed files with 5 additions and 9 deletions
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14
libavcodec/evrcdec.c
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@ -66,7 +66,6 @@ typedef struct EVRCAFrame {
} EVRCAFrame;
typedef struct EVRCContext {
AVFrame avframe;
GetBitContext gb;
evrc_packet_rate bitrate;
evrc_packet_rate last_valid_bitrate;
@ -230,9 +229,6 @@ static av_cold int evrc_decode_init(AVCodecContext *avctx)
int i, n, idx = 0;
float denom = 2.0 / (2.0 * 8.0 + 1.0);
avcodec_get_frame_defaults(&e->avframe);
avctx->coded_frame = &e->avframe;
avctx->channels = 1;
avctx->channel_layout = AV_CH_LAYOUT_MONO;
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
@ -742,16 +738,17 @@ static int evrc_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
AVFrame *frame = data;
EVRCContext *e = avctx->priv_data;
int buf_size = avpkt->size;
float ilspf[FILTER_ORDER], ilpc[FILTER_ORDER], idelay[NB_SUBFRAMES];
float *samples;
int i, j, ret, error_flag = 0;
e->avframe.nb_samples = 160;
if ((ret = ff_get_buffer(avctx, &e->avframe)) < 0)
frame->nb_samples = 160;
if ((ret = ff_get_buffer(avctx, frame)) < 0)
return ret;
samples = (float *)e->avframe.data[0];
samples = (float *)frame->data[0];
if ((e->bitrate = determine_bitrate(avctx, &buf_size, &buf)) == RATE_ERRS) {
warn_insufficient_frame_quality(avctx, "bitrate cannot be determined.");
@ -899,12 +896,11 @@ erasure:
if (e->bitrate != RATE_QUANT)
e->prev_pitch_delay = e->pitch_delay;
samples = (float *)e->avframe.data[0];
samples = (float *)frame->data[0];
for (i = 0; i < 160; i++)
samples[i] /= 32768;
*got_frame_ptr = 1;
*(AVFrame *)data = e->avframe;
return avpkt->size;
}