mirror of https://git.ffmpeg.org/ffmpeg.git
fic: Convert to the new bitstream reader
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0f94de8a09
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@ -24,9 +24,9 @@
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#include "libavutil/common.h"
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#include "avcodec.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 "get_bits.h"
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typedef struct FICThreadContext {
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DECLARE_ALIGNED(16, int16_t, block)[64];
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@ -129,13 +129,13 @@ static void fic_idct_put(uint8_t *dst, int stride, int16_t *block)
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ptr += 8;
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}
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}
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static int fic_decode_block(FICContext *ctx, GetBitContext *gb,
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static int fic_decode_block(FICContext *ctx, BitstreamContext *bc,
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uint8_t *dst, int stride, int16_t *block)
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{
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int i, num_coeff;
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/* Is it a skip block? */
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if (get_bits1(gb)) {
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if (bitstream_read_bit(bc)) {
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/* This is a P-frame. */
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ctx->frame->key_frame = 0;
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ctx->frame->pict_type = AV_PICTURE_TYPE_P;
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@ -145,12 +145,12 @@ static int fic_decode_block(FICContext *ctx, GetBitContext *gb,
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memset(block, 0, sizeof(*block) * 64);
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num_coeff = get_bits(gb, 7);
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num_coeff = bitstream_read(bc, 7);
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if (num_coeff > 64)
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return AVERROR_INVALIDDATA;
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for (i = 0; i < num_coeff; i++)
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block[ff_zigzag_direct[i]] = get_se_golomb(gb) *
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block[ff_zigzag_direct[i]] = get_se_golomb(bc) *
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ctx->qmat[ff_zigzag_direct[i]];
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fic_idct_put(dst, stride, block);
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@ -162,14 +162,14 @@ static int fic_decode_slice(AVCodecContext *avctx, void *tdata)
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{
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FICContext *ctx = avctx->priv_data;
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FICThreadContext *tctx = tdata;
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GetBitContext gb;
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BitstreamContext bc;
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uint8_t *src = tctx->src;
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int slice_h = tctx->slice_h;
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int src_size = tctx->src_size;
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int y_off = tctx->y_off;
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int x, y, p;
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init_get_bits(&gb, src, src_size * 8);
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bitstream_init8(&bc, src, src_size);
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for (p = 0; p < 3; p++) {
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int stride = ctx->frame->linesize[p];
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@ -179,7 +179,7 @@ static int fic_decode_slice(AVCodecContext *avctx, void *tdata)
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for (x = 0; x < (ctx->aligned_width >> !!p); x += 8) {
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int ret;
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if ((ret = fic_decode_block(ctx, &gb, dst + x, stride, tctx->block)) != 0)
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if ((ret = fic_decode_block(ctx, &bc, dst + x, stride, tctx->block)) != 0)
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return ret;
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}
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