55 files changed, 11471 insertions, 2282 deletions
diff --git a/drivers/amvdec_ports/utils/common.c b/drivers/amvdec_ports/utils/common.c new file mode 100644 index 0000000..aa5c71b --- a/dev/null +++ b/drivers/amvdec_ports/utils/common.c @@ -0,0 +1,221 @@ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/vmalloc.h> +#include <linux/mm.h> +#include <linux/string.h> + +#include "common.h" +#include "pixfmt.h" + +const u8 ff_zigzag_direct[64] = { + 0, 1, 8, 16, 9, 2, 3, 10, + 17, 24, 32, 25, 18, 11, 4, 5, + 12, 19, 26, 33, 40, 48, 41, 34, + 27, 20, 13, 6, 7, 14, 21, 28, + 35, 42, 49, 56, 57, 50, 43, 36, + 29, 22, 15, 23, 30, 37, 44, 51, + 58, 59, 52, 45, 38, 31, 39, 46, + 53, 60, 61, 54, 47, 55, 62, 63 +}; + +const u8 ff_zigzag_scan[16 + 1] = { + 0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4, + 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4, + 1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4, + 3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4, +}; + +const char * const color_space_names[] = { + [AVCOL_SPC_RGB] = "gbr", + [AVCOL_SPC_BT709] = "bt709", + [AVCOL_SPC_UNSPECIFIED] = "unknown", + [AVCOL_SPC_RESERVED] = "reserved", + [AVCOL_SPC_FCC] = "fcc", + [AVCOL_SPC_BT470BG] = "bt470bg", + [AVCOL_SPC_SMPTE170M] = "smpte170m", + [AVCOL_SPC_SMPTE240M] = "smpte240m", + [AVCOL_SPC_YCGCO] = "ycgco", + [AVCOL_SPC_BT2020_NCL] = "bt2020nc", + [AVCOL_SPC_BT2020_CL] = "bt2020c", + [AVCOL_SPC_SMPTE2085] = "smpte2085", + [AVCOL_SPC_CHROMA_DERIVED_NCL] = "chroma-derived-nc", + [AVCOL_SPC_CHROMA_DERIVED_CL] = "chroma-derived-c", + [AVCOL_SPC_ICTCP] = "ictcp", +}; + +const char *av_color_space_name(enum AVColorSpace space) +{ + return (unsigned) space < AVCOL_SPC_NB ? + color_space_names[space] : NULL; +} + +const char * const color_primaries_names[AVCOL_PRI_NB] = { + [AVCOL_PRI_RESERVED0] = "reserved", + [AVCOL_PRI_BT709] = "bt709", + [AVCOL_PRI_UNSPECIFIED] = "unknown", + [AVCOL_PRI_RESERVED] = "reserved", + [AVCOL_PRI_BT470M] = "bt470m", + [AVCOL_PRI_BT470BG] = "bt470bg", + [AVCOL_PRI_SMPTE170M] = "smpte170m", + [AVCOL_PRI_SMPTE240M] = "smpte240m", + [AVCOL_PRI_FILM] = "film", + [AVCOL_PRI_BT2020] = "bt2020", + [AVCOL_PRI_SMPTE428] = "smpte428", + [AVCOL_PRI_SMPTE431] = "smpte431", + [AVCOL_PRI_SMPTE432] = "smpte432", + [AVCOL_PRI_JEDEC_P22] = "jedec-p22", +}; + +const char *av_color_primaries_name(enum AVColorPrimaries primaries) +{ + return (unsigned) primaries < AVCOL_PRI_NB ? + color_primaries_names[primaries] : NULL; +} + +const char * const color_transfer_names[] = { + [AVCOL_TRC_RESERVED0] = "reserved", + [AVCOL_TRC_BT709] = "bt709", + [AVCOL_TRC_UNSPECIFIED] = "unknown", + [AVCOL_TRC_RESERVED] = "reserved", + [AVCOL_TRC_GAMMA22] = "bt470m", + [AVCOL_TRC_GAMMA28] = "bt470bg", + [AVCOL_TRC_SMPTE170M] = "smpte170m", + [AVCOL_TRC_SMPTE240M] = "smpte240m", + [AVCOL_TRC_LINEAR] = "linear", + [AVCOL_TRC_LOG] = "log100", + [AVCOL_TRC_LOG_SQRT] = "log316", + [AVCOL_TRC_IEC61966_2_4] = "iec61966-2-4", + [AVCOL_TRC_BT1361_ECG] = "bt1361e", + [AVCOL_TRC_IEC61966_2_1] = "iec61966-2-1", + [AVCOL_TRC_BT2020_10] = "bt2020-10", + [AVCOL_TRC_BT2020_12] = "bt2020-12", + [AVCOL_TRC_SMPTE2084] = "smpte2084", + [AVCOL_TRC_SMPTE428] = "smpte428", + [AVCOL_TRC_ARIB_STD_B67] = "arib-std-b67", +}; + +const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer) +{ + return (unsigned) transfer < AVCOL_TRC_NB ? + color_transfer_names[transfer] : NULL; +} + +//math +const u8 ff_log2_tab[256]={ + 0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, + 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 +}; + +int av_log2(u32 v) +{ + int n = 0; + + if (v & 0xffff0000) { + v >>= 16; + n += 16; + } + if (v & 0xff00) { + v >>= 8; + n += 8; + } + n += ff_log2_tab[v]; + + return n; +} + +//bitstream +int find_start_code(u8 *data, int data_sz) +{ + if (data_sz > 3 && data[0] == 0 && data[1] == 0 && data[2] == 1) + return 3; + + if (data_sz > 4 && data[0] == 0 && data[1] == 0 && data[2] == 0 && data[3] == 1) + return 4; + + return -1; +} + +int calc_nal_len(u8 *data, int len) +{ + int i; + + for (i = 0; i < len - 4; i++) { + if (data[i]) + continue; + + if ((data[i] == 0 && data[i + 1] == 0 && data[i + 2] == 1) || + (data[i] == 0 && data[i + 1] == 0 && + data[i + 2]==0 && data[i + 3] == 1)) + return i; + } + return len; //Not find the end of nalu +} + +u8 *nal_unit_extract_rbsp(const u8 *src, u32 src_len, u32 *dst_len) +{ + u8 *dst; + u32 i, len; + + dst = vmalloc(src_len + AV_INPUT_BUFFER_PADDING_SIZE); + if (!dst) + return NULL; + + /* NAL unit header (2 bytes) */ + i = len = 0; + while (i < 2 && i < src_len) + dst[len++] = src[i++]; + + while (i + 2 < src_len) + if (!src[i] && !src[i + 1] && src[i + 2] == 3) { + dst[len++] = src[i++]; + dst[len++] = src[i++]; + i++; // remove emulation_prevention_three_byte + } else + dst[len++] = src[i++]; + + while (i < src_len) + dst[len++] = src[i++]; + + memset(dst + len, 0, AV_INPUT_BUFFER_PADDING_SIZE); + + *dst_len = len; + + return dst; +} + +//debug +static void _pr_hex(const char *fmt, ...) +{ + u8 buf[512]; + int len = 0; + + va_list args; + va_start(args, fmt); + vsnprintf(buf + len, 512 - len, fmt, args); + printk("%s", buf); + va_end(args); +} + +void print_hex_debug(u8 *data, u32 len, int max) +{ + int i, l; + + l = len > max ? max : len; + + for (i = 0; i < l; i++) { + if ((i & 0xf) == 0) + _pr_hex("%06x:", i); + _pr_hex("%02x ", data[i]); + if ((((i + 1) & 0xf) == 0) || ((i + 1) == l)) + _pr_hex("\n"); + } + + _pr_hex("print hex ending. len %d\n\n", l); +} + |