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shorten: decode directly to the user-provided AVFrame

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This commit is contained in:
Justin Ruggles 2012-12-23 19:56:32 -05:00
parent 5d5c248c3d
commit fed74c0ae4
1 changed files with 5 additions and 9 deletions
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12
libavcodec/shorten.c
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@ -80,7 +80,6 @@ static const uint8_t is_audio_command[10] = { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0 };
typedef struct ShortenContext { typedef struct ShortenContext {
AVCodecContext *avctx; AVCodecContext *avctx;
AVFrame frame;
GetBitContext gb; GetBitContext gb;
int min_framesize, max_framesize; int min_framesize, max_framesize;
@ -115,9 +114,6 @@ static av_cold int shorten_decode_init(AVCodecContext * avctx)
s->avctx = avctx; s->avctx = avctx;
avctx->sample_fmt = AV_SAMPLE_FMT_S16P; avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
return 0; return 0;
} }
@ -408,6 +404,7 @@ static int read_header(ShortenContext *s)
static int shorten_decode_frame(AVCodecContext *avctx, void *data, static int shorten_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt) int *got_frame_ptr, AVPacket *avpkt)
{ {
AVFrame *frame = data;
const uint8_t *buf = avpkt->data; const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size; int buf_size = avpkt->size;
ShortenContext *s = avctx->priv_data; ShortenContext *s = avctx->priv_data;
@ -582,17 +579,16 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
s->cur_chan++; s->cur_chan++;
if (s->cur_chan == s->channels) { if (s->cur_chan == s->channels) {
/* get output buffer */ /* get output buffer */
s->frame.nb_samples = s->blocksize; frame->nb_samples = s->blocksize;
if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) { if ((ret = ff_get_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret; return ret;
} }
/* interleave output */ /* interleave output */
output_buffer((int16_t **)s->frame.extended_data, s->channels, output_buffer((int16_t **)frame->extended_data, s->channels,
s->blocksize, s->decoded); s->blocksize, s->decoded);
*got_frame_ptr = 1; *got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
} }
} }
} }