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libopus: decode directly to the user-provided AVFrame

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This commit is contained in:
Justin Ruggles 2012-12-23 18:45:55 -05:00
parent 0cd08367dd
commit 19b2cb268f
1 changed files with 12 additions and 13 deletions
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25
libavcodec/libopusdec.c
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@ -32,7 +32,6 @@
struct libopus_context {
OpusMSDecoder *dec;
AVFrame frame;
};
#define OPUS_HEAD_SIZE 19
@ -95,8 +94,7 @@ static av_cold int libopus_decode_init(AVCodecContext *avc)
opus_strerror(ret));
avc->delay = 3840; /* Decoder delay (in samples) at 48kHz */
avcodec_get_frame_defaults(&opus->frame);
avc->coded_frame = &opus->frame;
return 0;
}
@ -110,14 +108,15 @@ static av_cold int libopus_decode_close(AVCodecContext *avc)
#define MAX_FRAME_SIZE (960 * 6)
static int libopus_decode(AVCodecContext *avc, void *frame,
static int libopus_decode(AVCodecContext *avc, void *data,
int *got_frame_ptr, AVPacket *pkt)
{
struct libopus_context *opus = avc->priv_data;
AVFrame *frame = data;
int ret, nb_samples;
opus->frame.nb_samples = MAX_FRAME_SIZE;
ret = ff_get_buffer(avc, &opus->frame);
frame->nb_samples = MAX_FRAME_SIZE;
ret = ff_get_buffer(avc, frame);
if (ret < 0) {
av_log(avc, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
@ -125,12 +124,12 @@ static int libopus_decode(AVCodecContext *avc, void *frame,
if (avc->sample_fmt == AV_SAMPLE_FMT_S16)
nb_samples = opus_multistream_decode(opus->dec, pkt->data, pkt->size,
(opus_int16 *)opus->frame.data[0],
opus->frame.nb_samples, 0);
(opus_int16 *)frame->data[0],
frame->nb_samples, 0);
else
nb_samples = opus_multistream_decode_float(opus->dec, pkt->data, pkt->size,
(float *)opus->frame.data[0],
opus->frame.nb_samples, 0);
(float *)frame->data[0],
frame->nb_samples, 0);
if (nb_samples < 0) {
av_log(avc, AV_LOG_ERROR, "Decoding error: %s\n",
@ -138,9 +137,9 @@ static int libopus_decode(AVCodecContext *avc, void *frame,
return ff_opus_error_to_averror(nb_samples);
}
opus->frame.nb_samples = nb_samples;
*(AVFrame *)frame = opus->frame;
*got_frame_ptr = 1;
frame->nb_samples = nb_samples;
*got_frame_ptr = 1;
return pkt->size;
}