static void y4m_convert_mono_420jpeg(y4m_input *_y4m, unsigned char *_dst,
unsigned char *_aux) {
int c_sz;
+ (void)_aux;
_dst += _y4m->pic_w * _y4m->pic_h;
c_sz = ((_y4m->pic_w + _y4m->dst_c_dec_h - 1) / _y4m->dst_c_dec_h) *
((_y4m->pic_h + _y4m->dst_c_dec_v - 1) / _y4m->dst_c_dec_v);
/*No conversion function needed.*/
static void y4m_convert_null(y4m_input *_y4m, unsigned char *_dst,
unsigned char *_aux) {
+ (void)_y4m;
+ (void)_dst;
+ (void)_aux;
}
int y4m_input_open(y4m_input *_y4m, FILE *_fin, char *_skip, int _nskip,
int only_420) {
- char buffer[80];
+ char buffer[80] = {0};
int ret;
int i;
/*Read until newline, or 80 cols, whichever happens first.*/
return -1;
}
_y4m->vpx_fmt = VPX_IMG_FMT_I420;
- _y4m->vpx_bps = 12;
+ _y4m->bps = 12;
+ _y4m->bit_depth = 8;
if (strcmp(_y4m->chroma_type, "420") == 0 ||
strcmp(_y4m->chroma_type, "420jpeg") == 0) {
_y4m->src_c_dec_h = _y4m->dst_c_dec_h = _y4m->src_c_dec_v = _y4m->dst_c_dec_v = 2;
_y4m->dst_buf_read_sz = _y4m->pic_w * _y4m->pic_h
+ 2 * ((_y4m->pic_w + 1) / 2) * ((_y4m->pic_h + 1) / 2);
- /*Natively supported: no conversion required.*/
+ /* Natively supported: no conversion required. */
_y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
_y4m->convert = y4m_convert_null;
+ } else if (strcmp(_y4m->chroma_type, "420p10") == 0) {
+ _y4m->src_c_dec_h = 2;
+ _y4m->dst_c_dec_h = 2;
+ _y4m->src_c_dec_v = 2;
+ _y4m->dst_c_dec_v = 2;
+ _y4m->dst_buf_read_sz = 2 * (_y4m->pic_w * _y4m->pic_h +
+ 2 * ((_y4m->pic_w + 1) / 2) *
+ ((_y4m->pic_h + 1) / 2));
+ /* Natively supported: no conversion required. */
+ _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
+ _y4m->convert = y4m_convert_null;
+ _y4m->bit_depth = 10;
+ _y4m->bps = 15;
+ _y4m->vpx_fmt = VPX_IMG_FMT_I42016;
+ if (only_420) {
+ fprintf(stderr, "Unsupported conversion from 420p10 to 420jpeg\n");
+ return -1;
+ }
+ } else if (strcmp(_y4m->chroma_type, "420p12") == 0) {
+ _y4m->src_c_dec_h = 2;
+ _y4m->dst_c_dec_h = 2;
+ _y4m->src_c_dec_v = 2;
+ _y4m->dst_c_dec_v = 2;
+ _y4m->dst_buf_read_sz = 2 * (_y4m->pic_w * _y4m->pic_h +
+ 2 * ((_y4m->pic_w + 1) / 2) *
+ ((_y4m->pic_h + 1) / 2));
+ /* Natively supported: no conversion required. */
+ _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
+ _y4m->convert = y4m_convert_null;
+ _y4m->bit_depth = 12;
+ _y4m->bps = 18;
+ _y4m->vpx_fmt = VPX_IMG_FMT_I42016;
+ if (only_420) {
+ fprintf(stderr, "Unsupported conversion from 420p12 to 420jpeg\n");
+ return -1;
+ }
} else if (strcmp(_y4m->chroma_type, "420mpeg2") == 0) {
_y4m->src_c_dec_h = _y4m->dst_c_dec_h = _y4m->src_c_dec_v = _y4m->dst_c_dec_v = 2;
_y4m->dst_buf_read_sz = _y4m->pic_w * _y4m->pic_h;
_y4m->convert = y4m_convert_422_420jpeg;
} else {
_y4m->vpx_fmt = VPX_IMG_FMT_I422;
- _y4m->vpx_bps = 16;
+ _y4m->bps = 16;
_y4m->dst_c_dec_h = _y4m->src_c_dec_h;
_y4m->dst_c_dec_v = _y4m->src_c_dec_v;
_y4m->dst_buf_read_sz = _y4m->pic_w * _y4m->pic_h
/*Natively supported: no conversion required.*/
_y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
_y4m->convert = y4m_convert_null;
- }
+ }
+ } else if (strcmp(_y4m->chroma_type, "422p10") == 0) {
+ _y4m->src_c_dec_h = 2;
+ _y4m->src_c_dec_v = 1;
+ _y4m->vpx_fmt = VPX_IMG_FMT_I42216;
+ _y4m->bps = 20;
+ _y4m->bit_depth = 10;
+ _y4m->dst_c_dec_h = _y4m->src_c_dec_h;
+ _y4m->dst_c_dec_v = _y4m->src_c_dec_v;
+ _y4m->dst_buf_read_sz = 2 * (_y4m->pic_w * _y4m->pic_h +
+ 2 * ((_y4m->pic_w + 1) / 2) * _y4m->pic_h);
+ _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
+ _y4m->convert = y4m_convert_null;
+ if (only_420) {
+ fprintf(stderr, "Unsupported conversion from 422p10 to 420jpeg\n");
+ return -1;
+ }
+ } else if (strcmp(_y4m->chroma_type, "422p12") == 0) {
+ _y4m->src_c_dec_h = 2;
+ _y4m->src_c_dec_v = 1;
+ _y4m->vpx_fmt = VPX_IMG_FMT_I42216;
+ _y4m->bps = 24;
+ _y4m->bit_depth = 12;
+ _y4m->dst_c_dec_h = _y4m->src_c_dec_h;
+ _y4m->dst_c_dec_v = _y4m->src_c_dec_v;
+ _y4m->dst_buf_read_sz = 2 * (_y4m->pic_w * _y4m->pic_h +
+ 2 * ((_y4m->pic_w + 1) / 2) * _y4m->pic_h);
+ _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
+ _y4m->convert = y4m_convert_null;
+ if (only_420) {
+ fprintf(stderr, "Unsupported conversion from 422p12 to 420jpeg\n");
+ return -1;
+ }
} else if (strcmp(_y4m->chroma_type, "411") == 0) {
_y4m->src_c_dec_h = 4;
_y4m->dst_c_dec_h = 2;
_y4m->convert = y4m_convert_444_420jpeg;
} else {
_y4m->vpx_fmt = VPX_IMG_FMT_I444;
- _y4m->vpx_bps = 24;
+ _y4m->bps = 24;
_y4m->dst_c_dec_h = _y4m->src_c_dec_h;
_y4m->dst_c_dec_v = _y4m->src_c_dec_v;
_y4m->dst_buf_read_sz = 3 * _y4m->pic_w * _y4m->pic_h;
_y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
_y4m->convert = y4m_convert_null;
}
+ } else if (strcmp(_y4m->chroma_type, "444p10") == 0) {
+ _y4m->src_c_dec_h = 1;
+ _y4m->src_c_dec_v = 1;
+ _y4m->vpx_fmt = VPX_IMG_FMT_I44416;
+ _y4m->bps = 30;
+ _y4m->bit_depth = 10;
+ _y4m->dst_c_dec_h = _y4m->src_c_dec_h;
+ _y4m->dst_c_dec_v = _y4m->src_c_dec_v;
+ _y4m->dst_buf_read_sz = 2 * 3 * _y4m->pic_w * _y4m->pic_h;
+ _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
+ _y4m->convert = y4m_convert_null;
+ if (only_420) {
+ fprintf(stderr, "Unsupported conversion from 444p10 to 420jpeg\n");
+ return -1;
+ }
+ } else if (strcmp(_y4m->chroma_type, "444p12") == 0) {
+ _y4m->src_c_dec_h = 1;
+ _y4m->src_c_dec_v = 1;
+ _y4m->vpx_fmt = VPX_IMG_FMT_I44416;
+ _y4m->bps = 36;
+ _y4m->bit_depth = 12;
+ _y4m->dst_c_dec_h = _y4m->src_c_dec_h;
+ _y4m->dst_c_dec_v = _y4m->src_c_dec_v;
+ _y4m->dst_buf_read_sz = 2 * 3 * _y4m->pic_w * _y4m->pic_h;
+ _y4m->aux_buf_sz = _y4m->aux_buf_read_sz = 0;
+ _y4m->convert = y4m_convert_null;
+ if (only_420) {
+ fprintf(stderr, "Unsupported conversion from 444p12 to 420jpeg\n");
+ return -1;
+ }
} else if (strcmp(_y4m->chroma_type, "444alpha") == 0) {
_y4m->src_c_dec_h = 1;
_y4m->src_c_dec_v = 1;
_y4m->convert = y4m_convert_444_420jpeg;
} else {
_y4m->vpx_fmt = VPX_IMG_FMT_444A;
- _y4m->vpx_bps = 32;
+ _y4m->bps = 32;
_y4m->dst_c_dec_h = _y4m->src_c_dec_h;
_y4m->dst_c_dec_v = _y4m->src_c_dec_v;
_y4m->dst_buf_read_sz = 4 * _y4m->pic_w * _y4m->pic_h;
_y4m->dst_buf_sz = _y4m->pic_w * _y4m->pic_h
+ 2 * ((_y4m->pic_w + _y4m->dst_c_dec_h - 1) / _y4m->dst_c_dec_h) *
((_y4m->pic_h + _y4m->dst_c_dec_v - 1) / _y4m->dst_c_dec_v);
- _y4m->dst_buf = (unsigned char *)malloc(_y4m->dst_buf_sz);
- _y4m->aux_buf = (unsigned char *)malloc(_y4m->aux_buf_sz);
+ if (_y4m->bit_depth == 8)
+ _y4m->dst_buf = (unsigned char *)malloc(_y4m->dst_buf_sz);
+ else
+ _y4m->dst_buf = (unsigned char *)malloc(2 * _y4m->dst_buf_sz);
+
+ if (_y4m->aux_buf_sz > 0)
+ _y4m->aux_buf = (unsigned char *)malloc(_y4m->aux_buf_sz);
return 0;
}
int c_w;
int c_h;
int c_sz;
+ int bytes_per_sample = _y4m->bit_depth > 8 ? 2 : 1;
/*Read and skip the frame header.*/
if (!file_read(frame, 6, _fin)) return 0;
if (memcmp(frame, "FRAME", 5)) {
_img->h = _img->d_h = _y4m->pic_h;
_img->x_chroma_shift = _y4m->dst_c_dec_h >> 1;
_img->y_chroma_shift = _y4m->dst_c_dec_v >> 1;
- _img->bps = _y4m->vpx_bps;
+ _img->bps = _y4m->bps;
/*Set up the buffer pointers.*/
- pic_sz = _y4m->pic_w * _y4m->pic_h;
+ pic_sz = _y4m->pic_w * _y4m->pic_h * bytes_per_sample;
c_w = (_y4m->pic_w + _y4m->dst_c_dec_h - 1) / _y4m->dst_c_dec_h;
+ c_w *= bytes_per_sample;
c_h = (_y4m->pic_h + _y4m->dst_c_dec_v - 1) / _y4m->dst_c_dec_v;
c_sz = c_w * c_h;
- _img->stride[PLANE_Y] = _img->stride[PLANE_ALPHA] = _y4m->pic_w;
- _img->stride[PLANE_U] = _img->stride[PLANE_V] = c_w;
- _img->planes[PLANE_Y] = _y4m->dst_buf;
- _img->planes[PLANE_U] = _y4m->dst_buf + pic_sz;
- _img->planes[PLANE_V] = _y4m->dst_buf + pic_sz + c_sz;
- _img->planes[PLANE_ALPHA] = _y4m->dst_buf + pic_sz + 2 * c_sz;
+ _img->stride[VPX_PLANE_Y] = _img->stride[VPX_PLANE_ALPHA] =
+ _y4m->pic_w * bytes_per_sample;
+ _img->stride[VPX_PLANE_U] = _img->stride[VPX_PLANE_V] = c_w;
+ _img->planes[VPX_PLANE_Y] = _y4m->dst_buf;
+ _img->planes[VPX_PLANE_U] = _y4m->dst_buf + pic_sz;
+ _img->planes[VPX_PLANE_V] = _y4m->dst_buf + pic_sz + c_sz;
+ _img->planes[VPX_PLANE_ALPHA] = _y4m->dst_buf + pic_sz + 2 * c_sz;
return 1;
}