mirror of https://git.ffmpeg.org/ffmpeg.git
dv: fix valgrind use of uninitialised value warnings.
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50f8c26579
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afd06c6873
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@ -475,8 +475,8 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
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GetBitContext gb;
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BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1;
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LOCAL_ALIGNED_16(DCTELEM, sblock, [5*DV_MAX_BPM], [64]);
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LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80 + 4]); /* allow some slack */
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LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [5 * 80 + 4]); /* allow some slack */
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LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [ 80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
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LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [5*80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
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const int log2_blocksize = 3-s->avctx->lowres;
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int is_field_mode[5];
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@ -543,6 +543,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
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block = block1;
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mb = mb1;
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init_get_bits(&gb, mb_bit_buffer, put_bits_count(&pb));
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put_bits32(&pb, 0); // padding must be zero'ed
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flush_put_bits(&pb);
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for (j = 0; j < s->sys->bpm; j++, block += 64, mb++) {
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if (mb->pos < 64 && get_bits_left(&gb) > 0) {
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@ -563,6 +564,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
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block = &sblock[0][0];
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mb = mb_data;
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init_get_bits(&gb, vs_bit_buffer, put_bits_count(&vs_pb));
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put_bits32(&vs_pb, 0); // padding must be zero'ed
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flush_put_bits(&vs_pb);
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for (mb_index = 0; mb_index < 5; mb_index++) {
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for (j = 0; j < s->sys->bpm; j++) {
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