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dv: fix valgrind use of uninitialised value warnings.

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This commit is contained in:
Reimar Döffinger 2011-07-05 16:02:56 +02:00 committed by Clément Bœsch
parent 50f8c26579
commit afd06c6873
1 changed files with 4 additions and 2 deletions
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6
libavcodec/dv.c
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@ -475,8 +475,8 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
GetBitContext gb; GetBitContext gb;
BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1; BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1;
LOCAL_ALIGNED_16(DCTELEM, sblock, [5*DV_MAX_BPM], [64]); LOCAL_ALIGNED_16(DCTELEM, sblock, [5*DV_MAX_BPM], [64]);
LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80 + 4]); /* allow some slack */ LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [ 80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [5 * 80 + 4]); /* allow some slack */ LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [5*80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
const int log2_blocksize = 3-s->avctx->lowres; const int log2_blocksize = 3-s->avctx->lowres;
int is_field_mode[5]; int is_field_mode[5];
@ -543,6 +543,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
block = block1; block = block1;
mb = mb1; mb = mb1;
init_get_bits(&gb, mb_bit_buffer, put_bits_count(&pb)); init_get_bits(&gb, mb_bit_buffer, put_bits_count(&pb));
put_bits32(&pb, 0); // padding must be zero'ed
flush_put_bits(&pb); flush_put_bits(&pb);
for (j = 0; j < s->sys->bpm; j++, block += 64, mb++) { for (j = 0; j < s->sys->bpm; j++, block += 64, mb++) {
if (mb->pos < 64 && get_bits_left(&gb) > 0) { if (mb->pos < 64 && get_bits_left(&gb) > 0) {
@ -563,6 +564,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
block = &sblock[0][0]; block = &sblock[0][0];
mb = mb_data; mb = mb_data;
init_get_bits(&gb, vs_bit_buffer, put_bits_count(&vs_pb)); init_get_bits(&gb, vs_bit_buffer, put_bits_count(&vs_pb));
put_bits32(&vs_pb, 0); // padding must be zero'ed
flush_put_bits(&vs_pb); flush_put_bits(&vs_pb);
for (mb_index = 0; mb_index < 5; mb_index++) { for (mb_index = 0; mb_index < 5; mb_index++) {
for (j = 0; j < s->sys->bpm; j++) { for (j = 0; j < s->sys->bpm; j++) {