mirror of
https://github.com/ultravideo/uvg266.git
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Refactor: cabac.c/.h full cleanup.
This commit is contained in:
parent
32c984159f
commit
b25abe7c0b
317
src/cabac.c
317
src/cabac.c
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@ -30,7 +30,7 @@ const uint8_t g_auc_next_state_mps[ 128 ] =
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const uint8_t g_auc_next_state_lps[ 128 ] =
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const uint8_t g_auc_next_state_lps[ 128 ] =
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{
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{
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1, 0, 0, 1, 2, 3, 4, 5, 4, 5, 8, 9, 8, 9, 10, 11,
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1, 0, 0, 1, 2, 3, 4, 5, 4, 5, 8, 9, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 18, 19, 22, 23, 22, 23, 24, 25,
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12, 13, 14, 15, 16, 17, 18, 19, 18, 19, 22, 23, 22, 23, 24, 25,
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26, 27, 26, 27, 30, 31, 30, 31, 32, 33, 32, 33, 36, 37, 36, 37,
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26, 27, 26, 27, 30, 31, 30, 31, 32, 33, 32, 33, 36, 37, 36, 37,
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38, 39, 38, 39, 42, 43, 42, 43, 44, 45, 44, 45, 46, 47, 48, 49,
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38, 39, 38, 39, 42, 43, 42, 43, 44, 45, 44, 45, 46, 47, 48, 49,
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@ -57,42 +57,60 @@ const uint8_t g_auc_lpst_table[64][4] =
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{ 6, 8, 9, 11}, { 6, 7, 9, 10}, { 6, 7, 8, 9}, { 2, 2, 2, 2}
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{ 6, 8, 9, 11}, { 6, 7, 9, 10}, { 6, 7, 8, 9}, { 2, 2, 2, 2}
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};
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};
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const uint8_t g_auc_renorm_table[32] = { 6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2,
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const uint8_t g_auc_renorm_table[32] =
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
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{
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6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
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};
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uint8_t g_next_state[128][2];
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uint8_t g_next_state[128][2];
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cabac_data cabac;
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cabac_data cabac;
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/**
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void ctx_init(cabac_ctx* ctx, uint32_t qp, uint32_t init_value )
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* \brief Initialize struct cabac_ctx.
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*/
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void ctx_init(cabac_ctx *ctx, uint32_t qp, uint32_t init_value)
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{
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{
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int slope = (init_value>>4)*5 - 45;
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int slope = (init_value >> 4) * 5 - 45;
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int offset = ((init_value&15)<<3)-16;
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int offset = ((init_value & 15) << 3) - 16;
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int init_state = MIN( MAX( 1, ( ( ( slope * (int)qp ) >> 4 ) + offset ) ), 126 );
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int init_state = MIN(MAX(1, ((slope * (int)qp) >> 4) + offset), 126);
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uint8_t mp_state = (init_state >= 64 )?1:0;
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uint8_t mp_state = (init_state >= 64) ? 1 : 0;
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ctx->uc_state = ( (mp_state? (init_state - 64):(63 - init_state)) <<1) + mp_state;
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ctx->bins_coded = 0;
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if (mp_state) {
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ctx->uc_state = (init_state - 64) << 1 + mp_state;
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} else {
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ctx->uc_state = (63 - init_state) << 1;
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}
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ctx->bins_coded = 0;
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}
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}
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/**
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* \brief Initialize global g_next_state array.
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*/
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void ctx_build_next_state_table()
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void ctx_build_next_state_table()
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{
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{
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int i,j;
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int i, j;
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for (i = 0; i < 128; i++)
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{
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for (i = 0; i < 128; i++) {
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for (j = 0; j < 2; j++)
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for (j = 0; j < 2; j++) {
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{
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if ((i & 1) == j) {
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g_next_state[i][j] = ((i&1) == j) ? g_auc_next_state_mps[i] : g_auc_next_state_lps[i];
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g_next_state[i][j] = g_auc_next_state_mps[i];
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} else {
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g_next_state[i][j] = g_auc_next_state_lps[i];
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}
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}
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}
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}
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}
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}
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}
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INLINE void ctx_update(cabac_ctx* ctx, int val ) { ctx->uc_state = g_next_state[ctx->uc_state][val]; }
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INLINE void ctx_update(cabac_ctx *ctx, int val)
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//void ctx_update_LPS(cabac_ctx* ctx) { ctx->ucState = g_aucNextStateLPS[ ctx->ucState ]; }
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{
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//void ctx_update_MPS(cabac_ctx* ctx) { ctx->ucState = g_aucNextStateMPS[ ctx->ucState ]; }
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ctx->uc_state = g_next_state[ctx->uc_state][val];
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}
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/**
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* \brief Initialize struct cabac_data.
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*/
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void cabac_init(cabac_data* data)
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void cabac_init(cabac_data* data)
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{
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{
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data->frac_bits = 0;
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data->frac_bits = 0;
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@ -101,192 +119,172 @@ void cabac_init(cabac_data* data)
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ctx_build_next_state_table();
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ctx_build_next_state_table();
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}
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}
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void cabac_start(cabac_data* data)
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/**
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* \brief Initialize struct cabac_data.
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*/
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void cabac_start(cabac_data *data)
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{
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{
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data->low = 0;
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data->low = 0;
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data->range = 510;
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data->range = 510;
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data->bits_left = 23;
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data->bits_left = 23;
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data->num_buffered_bytes = 0;
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data->num_buffered_bytes = 0;
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data->buffered_byte = 0xff;
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data->buffered_byte = 0xff;
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}
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}
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void cabac_encode_bin(cabac_data* data, uint32_t bin_value )
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/**
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* \brief
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*/
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void cabac_encode_bin(cabac_data *data, uint32_t bin_value)
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{
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{
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uint32_t lps;
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uint32_t lps;
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//printf("\tdecodeBin m_uiRange %d uivalue %d\n", data->uiRange, data->uiLow);
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data->bins_coded += data->bin_count_increment;
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data->bins_coded += data->bin_count_increment;
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data->ctx->bins_coded = 1;
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data->ctx->bins_coded = 1;
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lps = g_auc_lpst_table[ CTX_STATE(data->ctx) ][ ( data->range >> 6 ) & 3 ];
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lps = g_auc_lpst_table[CTX_STATE(data->ctx)][(data->range >> 6) & 3];
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data->range -= lps;
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data->range -= lps;
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#ifdef _DEBUG
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//printf("\tencodeBin m_uiRange %d uiLPS %d m_uiValue %d ", data->uiRange,uiLPS,data->uiLow);
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#endif
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//Not the Most Probable Symbol?
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// Not the Most Probable Symbol?
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if( bin_value != CTX_MPS(data->ctx) )
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if (bin_value != CTX_MPS(data->ctx)) {
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{
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int num_bits = g_auc_renorm_table[lps >> 3];
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int num_bits = g_auc_renorm_table[ lps >> 3 ];
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data->low = (data->low + data->range) << num_bits;
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data->low = ( data->low + data->range ) << num_bits;
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data->range = lps << num_bits;
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data->range = lps << num_bits;
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ctx_update_LPS(data->ctx);
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CTX_UPDATE_LPS(data->ctx);
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data->bits_left -= num_bits;
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data->bits_left -= num_bits;
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}
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} else {
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else
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CTX_UPDATE_MPS(data->ctx);
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{
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if (data->range >= 256) return;
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ctx_update_MPS(data->ctx);
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if ( data->range >= 256 )
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{
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#ifdef _DEBUG
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//printf("enduiValue %d \n",data->uiLow);
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#endif
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return;
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}
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data->low <<= 1;
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data->low <<= 1;
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data->range <<= 1;
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data->range <<= 1;
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data->bits_left--;
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data->bits_left--;
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}
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}
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if(data->bits_left < 12)
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if (data->bits_left < 12) {
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{
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cabac_write(data);
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cabac_write(data);
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}
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}
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#ifdef _DEBUG
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//printf("enduiValue %d \n",data->uiLow);
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#endif
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}
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}
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void cabac_write(cabac_data* data)
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/**
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* \brief
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*/
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void cabac_write(cabac_data *data)
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{
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{
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uint32_t lead_byte = data->low >> (24 - data->bits_left);
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uint32_t lead_byte = data->low >> (24 - data->bits_left);
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data->bits_left += 8;
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data->bits_left += 8;
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data->low &= 0xffffffffu >> data->bits_left;
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data->low &= 0xffffffffu >> data->bits_left;
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if ( lead_byte == 0xff )
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if (lead_byte == 0xff) {
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{
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data->num_buffered_bytes++;
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data->num_buffered_bytes++;
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}
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} else {
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else
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if (data->num_buffered_bytes > 0) {
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{
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if ( data->num_buffered_bytes > 0 )
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{
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uint32_t carry = lead_byte >> 8;
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uint32_t carry = lead_byte >> 8;
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uint32_t byte = data->buffered_byte + carry;
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uint32_t byte = data->buffered_byte + carry;
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data->buffered_byte = lead_byte & 0xff;
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data->buffered_byte = lead_byte & 0xff;
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bitstream_put(data->stream,byte,8);
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bitstream_put(data->stream, byte, 8);
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byte = ( 0xff + carry ) & 0xff;
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byte = (0xff + carry) & 0xff;
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while ( data->num_buffered_bytes > 1 )
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while (data->num_buffered_bytes > 1) {
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{
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bitstream_put(data->stream, byte, 8);
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bitstream_put(data->stream,byte,8);
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data->num_buffered_bytes--;
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data->num_buffered_bytes--;
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}
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}
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}
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} else {
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else
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{
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data->num_buffered_bytes = 1;
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data->num_buffered_bytes = 1;
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data->buffered_byte = lead_byte;
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data->buffered_byte = lead_byte;
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}
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}
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}
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}
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}
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}
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void cabac_finish(cabac_data* data)
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/**
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* \brief
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*/
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void cabac_finish(cabac_data *data)
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{
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{
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if ( data->low >> ( 32 - data->bits_left ) )
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if (data->low >> (32 - data->bits_left)) {
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{
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bitstream_put(data->stream,data->buffered_byte + 1, 8);
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bitstream_put(data->stream,data->buffered_byte + 1, 8 );
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while (data->num_buffered_bytes > 1) {
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while ( data->num_buffered_bytes > 1 )
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bitstream_put(data->stream, 0, 8);
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{
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bitstream_put(data->stream,0, 8 );
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data->num_buffered_bytes--;
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data->num_buffered_bytes--;
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}
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}
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data->low -= 1 << ( 32 - data->bits_left );
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data->low -= 1 << (32 - data->bits_left);
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}
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} else {
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else
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if (data->num_buffered_bytes > 0) {
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{
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bitstream_put(data->stream,data->buffered_byte, 8);
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if ( data->num_buffered_bytes > 0 )
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{
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bitstream_put(data->stream,data->buffered_byte, 8 );
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}
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}
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while ( data->num_buffered_bytes > 1 )
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while (data->num_buffered_bytes > 1) {
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{
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bitstream_put(data->stream, 0xff, 8);
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bitstream_put(data->stream, 0xff, 8 );
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data->num_buffered_bytes--;
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data->num_buffered_bytes--;
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}
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}
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}
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}
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bitstream_put(data->stream, data->low >> 8, 24 - data->bits_left );
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bitstream_put(data->stream, data->low >> 8, 24 - data->bits_left);
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}
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}
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/*!
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/*!
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\brief Encode terminating bin
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\brief Encode terminating bin
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\param binValue bin value
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\param binValue bin value
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*/
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*/
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void cabac_encode_bin_trm(cabac_data* data, uint8_t bin_value )
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void cabac_encode_bin_trm(cabac_data *data, uint8_t bin_value)
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{
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{
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#ifdef _DEBUG
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//printf("\tencodeBinTrm m_uiRange %d uivalue %d\n", data->uiRange, data->uiLow);
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#endif
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data->bins_coded += data->bin_count_increment;
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data->bins_coded += data->bin_count_increment;
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data->range -= 2;
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data->range -= 2;
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if( bin_value )
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if(bin_value) {
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{
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data->low += data->range;
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data->low += data->range;
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data->low <<= 7;
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data->low <<= 7;
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data->range = 2 << 7;
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data->range = 2 << 7;
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data->bits_left -= 7;
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data->bits_left -= 7;
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}
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} else if (data->range >= 256) {
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else if ( data->range >= 256 )
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{
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return;
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return;
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}
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} else {
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else
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data->low <<= 1;
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{
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data->low <<= 1;
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data->range <<= 1;
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data->range <<= 1;
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data->bits_left--;
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data->bits_left--;
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}
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}
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if(data->bits_left < 12)
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if (data->bits_left < 12) {
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{
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cabac_write(data);
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cabac_write(data);
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}
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}
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}
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}
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void cabac_flush(cabac_data* data)
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/**
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* \brief
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*/
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void cabac_flush(cabac_data *data)
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{
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{
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cabac_encode_bin_trm(data,1);
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cabac_encode_bin_trm(data, 1);
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cabac_finish(data);
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cabac_finish(data);
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bitstream_put(data->stream,1,1);
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bitstream_put(data->stream, 1, 1);
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bitstream_align_zero(data->stream);
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bitstream_align_zero(data->stream);
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cabac_start(data);
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cabac_start(data);
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}
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}
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void cabac_encode_bin_ep(cabac_data* data, uint32_t bin_value )
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/**
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* \brief
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*/
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void cabac_encode_bin_ep(cabac_data *data, uint32_t bin_value)
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{
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{
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data->bins_coded += data->bin_count_increment;
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data->bins_coded += data->bin_count_increment;
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data->low <<= 1;
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data->low <<= 1;
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if( bin_value )
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if (bin_value) {
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{
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data->low += data->range;
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data->low += data->range;
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}
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}
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data->bits_left--;
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data->bits_left--;
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if(data->bits_left < 12)
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if (data->bits_left < 12) {
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{
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cabac_write(data);
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cabac_write(data);
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}
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}
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}
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}
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void cabac_encode_bins_ep(cabac_data* data, uint32_t bin_values, int num_bins )
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/**
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* \brief
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*/
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void cabac_encode_bins_ep(cabac_data *data, uint32_t bin_values, int num_bins)
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{
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{
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uint32_t pattern;
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uint32_t pattern;
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data->bins_coded += num_bins & -data->bin_count_increment;
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data->bins_coded += num_bins & -data->bin_count_increment;
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while ( num_bins > 8 )
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while (num_bins > 8) {
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{
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num_bins -= 8;
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num_bins -= 8;
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pattern = bin_values >> num_bins;
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pattern = bin_values >> num_bins;
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data->low <<= 8;
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data->low <<= 8;
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@ -294,8 +292,7 @@ void cabac_encode_bins_ep(cabac_data* data, uint32_t bin_values, int num_bins )
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bin_values -= pattern << num_bins;
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bin_values -= pattern << num_bins;
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data->bits_left -= 8;
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data->bits_left -= 8;
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if(data->bits_left < 12)
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if(data->bits_left < 12) {
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{
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cabac_write(data);
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cabac_write(data);
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||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -304,87 +301,79 @@ void cabac_encode_bins_ep(cabac_data* data, uint32_t bin_values, int num_bins )
|
||||||
data->low += data->range * bin_values;
|
data->low += data->range * bin_values;
|
||||||
data->bits_left -= num_bins;
|
data->bits_left -= num_bins;
|
||||||
|
|
||||||
if(data->bits_left < 12)
|
if (data->bits_left < 12) {
|
||||||
{
|
|
||||||
cabac_write(data);
|
cabac_write(data);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \brief Coding of coeff_abs_level_minus3.
|
||||||
/*!
|
* \param symbol Value of coeff_abs_level_minus3.
|
||||||
\brief Coding of coeff_abs_level_minus3
|
* \param r_param Reference to Rice parameter.
|
||||||
\param uiSymbol value of coeff_abs_level_minus3
|
*/
|
||||||
\param ruiGoRiceParam reference to Rice parameter
|
void cabac_write_coeff_remain(cabac_data *cabac, uint32_t symbol, uint32_t r_param)
|
||||||
\returns Void
|
|
||||||
*/
|
|
||||||
void cabac_write_coeff_remain(cabac_data* cabac, uint32_t symbol, uint32_t r_param )
|
|
||||||
{
|
{
|
||||||
int32_t code_number = symbol;
|
int32_t code_number = symbol;
|
||||||
uint32_t length;
|
uint32_t length;
|
||||||
if (code_number < (3 << r_param))
|
if (code_number < (3 << r_param)) {
|
||||||
{
|
length = code_number >> r_param;
|
||||||
length = code_number>>r_param;
|
cabac_encode_bins_ep(cabac, (1 << (length + 1)) - 2 , length + 1);
|
||||||
cabac_encode_bins_ep(cabac, (1<<(length+1))-2 , length+1);
|
cabac_encode_bins_ep(cabac, (code_number % (1 << r_param)), r_param);
|
||||||
cabac_encode_bins_ep(cabac,(code_number%(1<<r_param)),r_param);
|
} else {
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
length = r_param;
|
length = r_param;
|
||||||
code_number = code_number - ( 3 << r_param);
|
code_number = code_number - (3 << r_param);
|
||||||
while (code_number >= (1<<length))
|
while (code_number >= (1 << length)) {
|
||||||
{
|
code_number -= 1 << length;
|
||||||
code_number -= (1<<(length++));
|
++length;
|
||||||
}
|
}
|
||||||
cabac_encode_bins_ep(cabac,(1<<(3+length+1-r_param))-2,3+length+1-r_param);
|
cabac_encode_bins_ep(cabac, (1 << (3 + length + 1 - r_param)) - 2, 3 + length + 1 - r_param);
|
||||||
cabac_encode_bins_ep(cabac,code_number,length);
|
cabac_encode_bins_ep(cabac, code_number, length);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void cabac_write_unary_max_symbol(cabac_data* data,cabac_ctx* ctx, uint32_t symbol,int32_t offset, uint32_t max_symbol)
|
/**
|
||||||
|
* \brief
|
||||||
|
*/
|
||||||
|
void cabac_write_unary_max_symbol(cabac_data *data, cabac_ctx *ctx, uint32_t symbol, int32_t offset, uint32_t max_symbol)
|
||||||
{
|
{
|
||||||
int8_t code_last = ( max_symbol > symbol );
|
int8_t code_last = max_symbol > symbol;
|
||||||
|
|
||||||
if (!max_symbol)
|
if (!max_symbol) return;
|
||||||
return;
|
|
||||||
|
|
||||||
data->ctx = &ctx[0];
|
data->ctx = &ctx[0];
|
||||||
cabac_encode_bin(data, symbol ? 1 : 0);
|
cabac_encode_bin(data, symbol ? 1 : 0);
|
||||||
|
|
||||||
if (!symbol)
|
if (!symbol) return;
|
||||||
return;
|
|
||||||
|
|
||||||
while( --symbol )
|
while (--symbol) {
|
||||||
{
|
|
||||||
data->ctx = &ctx[offset];
|
data->ctx = &ctx[offset];
|
||||||
cabac_encode_bin(data, 1);
|
cabac_encode_bin(data, 1);
|
||||||
}
|
}
|
||||||
if( code_last )
|
if (code_last) {
|
||||||
{
|
|
||||||
data->ctx = &ctx[offset];
|
data->ctx = &ctx[offset];
|
||||||
cabac_encode_bin(data, 0);
|
cabac_encode_bin(data, 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
return;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void cabac_write_ep_ex_golomb(cabac_data* data, uint32_t symbol, uint32_t count )
|
/**
|
||||||
|
* \brief
|
||||||
|
*/
|
||||||
|
void cabac_write_ep_ex_golomb(cabac_data *data, uint32_t symbol, uint32_t count)
|
||||||
{
|
{
|
||||||
uint32_t bins = 0;
|
uint32_t bins = 0;
|
||||||
int32_t num_bins = 0;
|
int32_t num_bins = 0;
|
||||||
|
|
||||||
while( symbol >= (uint32_t)(1<<count) )
|
while (symbol >= (uint32_t)(1 << count)) {
|
||||||
{
|
|
||||||
bins = 2 * bins + 1;
|
bins = 2 * bins + 1;
|
||||||
num_bins++;
|
++num_bins;
|
||||||
symbol -= 1 << count;
|
symbol -= 1 << count;
|
||||||
count ++;
|
++count;
|
||||||
}
|
}
|
||||||
bins = 2 * bins + 0;
|
bins = 2 * bins;
|
||||||
num_bins++;
|
++num_bins;
|
||||||
|
|
||||||
bins = (bins << count) | symbol;
|
bins = (bins << count) | symbol;
|
||||||
num_bins += count;
|
num_bins += count;
|
||||||
|
|
||||||
cabac_encode_bins_ep(data, bins, num_bins);
|
cabac_encode_bins_ep(data, bins, num_bins);
|
||||||
}
|
}
|
||||||
|
|
99
src/cabac.h
99
src/cabac.h
|
@ -17,31 +17,13 @@
|
||||||
#include "bitstream.h"
|
#include "bitstream.h"
|
||||||
|
|
||||||
|
|
||||||
extern const uint8_t g_auc_next_state_mps[ 128 ];
|
// Types
|
||||||
extern const uint8_t g_auc_next_state_lps[ 128 ];
|
|
||||||
extern uint8_t g_next_state[128][2];
|
|
||||||
|
|
||||||
extern const uint8_t g_auc_lpst_table[64][4];
|
|
||||||
extern const uint8_t g_auc_renorm_table[32];
|
|
||||||
|
|
||||||
typedef struct
|
typedef struct
|
||||||
{
|
{
|
||||||
uint8_t uc_state;
|
uint8_t uc_state;
|
||||||
uint32_t bins_coded;
|
uint32_t bins_coded;
|
||||||
} cabac_ctx;
|
} cabac_ctx;
|
||||||
|
|
||||||
#define CTX_STATE(ctx) (ctx->uc_state >> 1)
|
|
||||||
#define CTX_MPS(ctx) (ctx->uc_state & 1)
|
|
||||||
|
|
||||||
void ctx_init(cabac_ctx* ctx,uint32_t qp, uint32_t init_value );
|
|
||||||
void ctx_build_next_state_table();
|
|
||||||
void ctx_update(cabac_ctx* ctx, int val );
|
|
||||||
//void ctx_update_LPS(cabac_ctx* ctx);
|
|
||||||
//void ctx_update_MPS(cabac_ctx* ctx);
|
|
||||||
#define ctx_update_LPS(ctx) { (ctx)->uc_state = g_auc_next_state_lps[ (ctx)->uc_state ]; }
|
|
||||||
#define ctx_update_MPS(ctx) { (ctx)->uc_state = g_auc_next_state_mps[ (ctx)->uc_state ]; }
|
|
||||||
|
|
||||||
|
|
||||||
typedef struct
|
typedef struct
|
||||||
{
|
{
|
||||||
cabac_ctx *ctx;
|
cabac_ctx *ctx;
|
||||||
|
@ -56,37 +38,68 @@ typedef struct
|
||||||
bitstream *stream;
|
bitstream *stream;
|
||||||
} cabac_data;
|
} cabac_data;
|
||||||
|
|
||||||
|
|
||||||
|
// Globals
|
||||||
|
extern const uint8_t g_auc_next_state_mps[ 128 ];
|
||||||
|
extern const uint8_t g_auc_next_state_lps[ 128 ];
|
||||||
|
extern uint8_t g_next_state[128][2];
|
||||||
|
extern const uint8_t g_auc_lpst_table[64][4];
|
||||||
|
extern const uint8_t g_auc_renorm_table[32];
|
||||||
extern cabac_data cabac;
|
extern cabac_data cabac;
|
||||||
|
|
||||||
void cabac_start(cabac_data* data);
|
|
||||||
void cabac_init(cabac_data* data);
|
|
||||||
void cabac_encode_bin(cabac_data* data, uint32_t bin_value );
|
|
||||||
void cabac_encode_bin_ep(cabac_data* data, uint32_t bin_value );
|
|
||||||
void cabac_encode_bins_ep(cabac_data* data, uint32_t bin_values, int num_bins );
|
|
||||||
void cabac_encode_bin_trm(cabac_data* data, uint8_t bin_value );
|
|
||||||
void cabac_write(cabac_data* data);
|
|
||||||
void cabac_finish(cabac_data* data);
|
|
||||||
void cabac_flush(cabac_data* data);
|
|
||||||
void cabac_write_coeff_remain(cabac_data* cabac,uint32_t symbol, uint32_t r_param );
|
|
||||||
void cabac_write_ep_ex_golomb(cabac_data* data, uint32_t symbol, uint32_t count );
|
|
||||||
void cabac_write_unary_max_symbol(cabac_data* data,cabac_ctx* ctx, uint32_t symbol,int32_t offset, uint32_t max_symbol);
|
|
||||||
|
|
||||||
|
// Functions
|
||||||
|
#define CTX_STATE(ctx) (ctx->uc_state >> 1)
|
||||||
|
#define CTX_MPS(ctx) (ctx->uc_state & 1)
|
||||||
|
|
||||||
|
void ctx_init(cabac_ctx* ctx, uint32_t qp, uint32_t init_value);
|
||||||
|
void ctx_build_next_state_table();
|
||||||
|
#define CTX_UPDATE_LPS(ctx) { (ctx)->uc_state = g_auc_next_state_lps[ (ctx)->uc_state ]; }
|
||||||
|
#define CTX_UPDATE_MPS(ctx) { (ctx)->uc_state = g_auc_next_state_mps[ (ctx)->uc_state ]; }
|
||||||
|
|
||||||
|
void cabac_start(cabac_data *data);
|
||||||
|
void cabac_init(cabac_data *data);
|
||||||
|
void cabac_encode_bin(cabac_data *data, uint32_t bin_value);
|
||||||
|
void cabac_encode_bin_ep(cabac_data *data, uint32_t bin_value);
|
||||||
|
void cabac_encode_bins_ep(cabac_data *data, uint32_t bin_values, int num_bins);
|
||||||
|
void cabac_encode_bin_trm(cabac_data *data, uint8_t bin_value);
|
||||||
|
void cabac_write(cabac_data *data);
|
||||||
|
void cabac_finish(cabac_data *data);
|
||||||
|
void cabac_flush(cabac_data *data);
|
||||||
|
void cabac_write_coeff_remain(cabac_data *cabac, uint32_t symbol,
|
||||||
|
uint32_t r_param);
|
||||||
|
void cabac_write_ep_ex_golomb(cabac_data *data, uint32_t symbol,
|
||||||
|
uint32_t count);
|
||||||
|
void cabac_write_unary_max_symbol(cabac_data *data, cabac_ctx *ctx,
|
||||||
|
uint32_t symbol, int32_t offset,
|
||||||
|
uint32_t max_symbol);
|
||||||
|
|
||||||
|
// Macros
|
||||||
#ifdef VERBOSE
|
#ifdef VERBOSE
|
||||||
#define CABAC_BIN(data, value, name) { uint32_t prev_state = (data)->ctx->uc_state;\
|
#define CABAC_BIN(data, value, name) { \
|
||||||
cabac_encodeBin(data, value); \
|
uint32_t prev_state = (data)->ctx->uc_state; \
|
||||||
printf("%s = %d prev_state=%d state=%d\n",name,value,prev_state, (data)->ctx->uc_state);}
|
cabac_encode_bin(data, value); \
|
||||||
|
printf("%s = %d prev_state=%d state=%d\n", \
|
||||||
|
name, value, prev_state, (data)->ctx->uc_state); }
|
||||||
|
|
||||||
#define CABAC_BINS_EP(data, value,bins, name) { uint32_t prev_state = (data)->ctx->uc_state;\
|
#define CABAC_BINS_EP(data, value, bins, name) { \
|
||||||
cabac_encodeBinsEP(data, value,bins); \
|
uint32_t prev_state = (data)->ctx->uc_state; \
|
||||||
printf("%s = %d prev_state=%d state=%d\n",name,value,prev_state, (data)->ctx->uc_state);}
|
cabac_encode_bins_ep(data, value, bins); \
|
||||||
|
printf("%s = %d prev_state=%d state=%d\n", \
|
||||||
|
name, value, prev_state, (data)->ctx->uc_state); }
|
||||||
|
|
||||||
#define CABAC_BIN_EP(data, value, name) { uint32_t prev_state = (data)->ctx->uc_state;\
|
#define CABAC_BIN_EP(data, value, name) { \
|
||||||
cabac_encodeBinEP(data, value); \
|
uint32_t prev_state = (data)->ctx->uc_state; \
|
||||||
printf("%s = %d prev_state=%d state=%d\n",name,value,prev_state, (data)->ctx->uc_state);}
|
cabac_encode_bin_ep(data, value); \
|
||||||
|
printf("%s = %d prev_state=%d state=%d\n", \
|
||||||
|
name, value, prev_state, (data)->ctx->uc_state); }
|
||||||
#else
|
#else
|
||||||
#define CABAC_BIN(data, value, name) cabac_encode_bin(data, value);
|
#define CABAC_BIN(data, value, name) \
|
||||||
#define CABAC_BINS_EP(data, value,bins, name) cabac_encode_bins_ep(data, value,bins);
|
cabac_encode_bin(data, value);
|
||||||
#define CABAC_BIN_EP(data, value, name) cabac_encode_bin_ep(data, value);
|
#define CABAC_BINS_EP(data, value, bins, name) \
|
||||||
|
cabac_encode_bins_ep(data, value, bins);
|
||||||
|
#define CABAC_BIN_EP(data, value, name) \
|
||||||
|
cabac_encode_bin_ep(data, value);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
Loading…
Reference in a new issue