diff options
Diffstat (limited to 'libavcodec/rv34data.h')
| -rw-r--r-- | libavcodec/rv34data.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/libavcodec/rv34data.h b/libavcodec/rv34data.h index 7213d29930..d044b2aa37 100644 --- a/libavcodec/rv34data.h +++ b/libavcodec/rv34data.h @@ -21,7 +21,7 @@ /** * @file rv34data.h - * Miscellaneous RV30/40 tables. + * miscellaneous RV30/40 tables */ #ifndef FFMPEG_RV34DATA_H @@ -30,14 +30,14 @@ #include <stdint.h> /** - * Number of ones in nibble minus one + * number of ones in nibble minus one */ static const uint8_t rv34_count_ones[16] = { 0, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 2, 3 }; /** - * Values used to reconstruct coded block pattern + * Values used to reconstruct coded block pattern. */ static const uint8_t rv34_cbp_code[16] = { 0x00, 0x20, 0x10, 0x30, 0x02, 0x22, 0x12, 0x32, @@ -45,10 +45,10 @@ static const uint8_t rv34_cbp_code[16] = { }; /** - * Precalculated results of division by three and modulo three for values 0-107 + * precalculated results of division by three and modulo three for values 0-107 * - * A lot of four-tuples in RV40 are represented as c0*27+c1*9+c2*3+c3 - * This table allows conversion from value back to vector + * A lot of four-tuples in RV40 are represented as c0*27+c1*9+c2*3+c3. + * This table allows conversion from a value back to a vector. */ static const uint8_t modulo_three_table[108][4] = { { 0, 0, 0, 0 }, { 0, 0, 0, 1 }, { 0, 0, 0, 2 }, { 0, 0, 1, 0 }, @@ -81,7 +81,7 @@ static const uint8_t modulo_three_table[108][4] = { }; /** - * Quantizer values used for AC and DC coefficients in chroma blocks + * quantizer values used for AC and DC coefficients in chroma blocks */ static const uint8_t rv34_chroma_quant[2][32] = { { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, @@ -91,7 +91,7 @@ static const uint8_t rv34_chroma_quant[2][32] = { }; /** - * This table is used for dequantizing + * This table is used for dequantizing. */ static const uint16_t rv34_qscale_tab[32] = { 60, 67, 76, 85, 96, 108, 121, 136, @@ -111,8 +111,8 @@ static const uint8_t rv34_dezigzag[16] = { }; /** - * Tables used to translate quantizer value into VLC set for decoding - * First table is used for intraframes. + * tables used to translate a quantizer value into a VLC set for decoding + * The first table is used for intraframes. */ static const uint8_t rv34_quant_to_vlc_set[2][31] = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, @@ -122,8 +122,8 @@ static const uint8_t rv34_quant_to_vlc_set[2][31] = { }; /** - * Table for obtaining quantizer difference - * @todo replace it with modified_quant_tab from h263data.h + * table for obtaining the quantizer difference + * @todo Replace it with modified_quant_tab from h263data.h. */ static const int8_t rv34_dquant_tab[] = { 0, 0, 2, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, @@ -133,13 +133,13 @@ static const int8_t rv34_dquant_tab[] = { }; /** - * Maximum number of macroblocks for each of the possible slice offset sizes - * @todo this is the same as ff_mba_max, maybe use it instead + * maximum number of macroblocks for each of the possible slice offset sizes + * @todo This is the same as ff_mba_max, maybe use it instead. */ static const uint16_t rv34_mb_max_sizes[6] = { 0x2F, 0x68, 0x18B, 0x62F, 0x18BF, 0x23FF }; /** - * Bits needed to code slice offset for the given size - * @todo this is the same as ff_mba_length, maybe use it instead + * bits needed to code the slice offset for the given size + * @todo This is the same as ff_mba_length, maybe use it instead. */ static const uint8_t rv34_mb_bits_sizes[6] = { 6, 7, 9, 11, 13, 14 }; |