mirror of https://git.ffmpeg.org/ffmpeg.git
loco: Convert to the new bitstream reader
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0f94de8a09
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@ -25,8 +25,8 @@
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*/
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#include "avcodec.h"
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#include "get_bits.h"
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#include "golomb_legacy.h"
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#include "bitstream.h"
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#include "golomb.h"
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#include "internal.h"
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#include "mathops.h"
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@ -50,7 +50,7 @@ typedef struct LOCOContext {
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} LOCOContext;
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typedef struct RICEContext {
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GetBitContext gb;
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BitstreamContext bc;
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int save, run, run2; /* internal rice decoder state */
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int sum, count; /* sum and count for getting rice parameter */
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int lossy;
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@ -88,11 +88,11 @@ static inline int loco_get_rice(RICEContext *r)
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loco_update_rice_param(r, 0);
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return 0;
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}
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v = get_ur_golomb_jpegls(&r->gb, loco_get_rice_param(r), INT_MAX, 0);
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v = get_ur_golomb_jpegls(&r->bc, loco_get_rice_param(r), INT_MAX, 0);
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loco_update_rice_param(r, (v + 1) >> 1);
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if (!v) {
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if (r->save >= 0) {
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r->run = get_ur_golomb_jpegls(&r->gb, 2, INT_MAX, 0);
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r->run = get_ur_golomb_jpegls(&r->bc, 2, INT_MAX, 0);
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if (r->run > 1)
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r->save += r->run + 1;
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else
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@ -132,7 +132,7 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
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int val;
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int i, j;
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init_get_bits(&rc.gb, buf, buf_size*8);
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bitstream_init8(&rc.bc, buf, buf_size);
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rc.save = 0;
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rc.run = 0;
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rc.run2 = 0;
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@ -162,7 +162,7 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
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data += stride;
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}
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return (get_bits_count(&rc.gb) + 7) >> 3;
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return (bitstream_tell(&rc.bc) + 7) >> 3;
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}
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static int decode_frame(AVCodecContext *avctx,
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