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authorSascha Sommer <saschasommer@freenet.de>2009-09-11 15:59:27 +0000
committerSascha Sommer <saschasommer@freenet.de>2009-09-11 15:59:27 +0000
commitbc7f96b1845d985a76cc2a7a580dc4d5e5d8a9c3 (patch)
tree99a574599324d896d00d65a79699f37ce938b00d
parent6fa6c481b91f833c212d88e6206e088aad8437d8 (diff)
downloadffmpeg-bc7f96b1845d985a76cc2a7a580dc4d5e5d8a9c3.tar.gz
reinit get_bits for every decode_packet call
Originally committed as revision 19822 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/wmaprodec.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index 8f248629c8..425cc0ba75 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -190,6 +190,7 @@ typedef struct WMAProDecodeCtx {
/* packet decode state */
GetBitContext pgb; ///< bitstream reader context for the packet
+ uint8_t packet_offset; ///< frame offset in the packet
uint8_t packet_sequence_number; ///< current packet number
int num_saved_bits; ///< saved number of bits
int frame_offset; ///< frame offset in the bit reservoir
@@ -1502,6 +1503,9 @@ static int decode_packet(AVCodecContext *avctx,
} else {
int frame_size;
+ s->buf_bit_size = avpkt->size << 3;
+ init_get_bits(gb, avpkt->data, s->buf_bit_size);
+ skip_bits(gb, s->packet_offset);
if (remaining_bits(s, gb) > s->log2_frame_size &&
(frame_size = show_bits(gb, s->log2_frame_size)) &&
frame_size <= remaining_bits(s, gb)) {
@@ -1519,8 +1523,9 @@ static int decode_packet(AVCodecContext *avctx,
}
*data_size = (int8_t *)s->samples - (int8_t *)data;
+ s->packet_offset = get_bits_count(gb) & 7;
- return (!s->packet_done && !s->packet_loss)?0: avctx->block_align;
+ return get_bits_count(gb) >> 3;
}
/**