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aacdec: Handle the first frame being empty case. 

Originally committed as revision 23673 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Converse 2010-06-21 04:05:09 +00:00
parent 91a4abd8f5
commit fda36b5944
1 changed files with 5 additions and 1 deletions
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6
libavcodec/aacdec.c
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@ -1985,7 +1985,7 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
enum RawDataBlockType elem_type, elem_type_prev = TYPE_END;
int err, elem_id, data_size_tmp;
int buf_consumed;
int samples = 1024, multiplier;
int samples = 0, multiplier;
int buf_offset;
init_get_bits(&gb, buf, buf_size * 8);
@ -2011,6 +2011,9 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
return -1;
}
if (elem_type < TYPE_DSE)
samples = 1024;
switch (elem_type) {
case TYPE_SCE:
@ -2093,6 +2096,7 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
}
*data_size = data_size_tmp;
if (samples)
ac->dsp.float_to_int16_interleave(data, (const float **)ac->output_data, samples, avctx->channels);
if (ac->output_configured)