static int callback_init_common(struct callback_data *data, const zimg_filter_graph *graph, vszimg_bool is_pack, const zimg_image_format *format, const VSFormat *vsformat,
VSCore *core, const VSAPI *vsapi, char *err_msg, size_t err_msg_size)
{
zimg_image_buffer_u buf_initialized = { { ZIMG_API_VERSION } };
unsigned count;
unsigned mask;
data->cb = NULL;
data->frame_tmp = NULL;
data->plane_buf = buf_initialized;
data->line_buf = buf_initialized;
data->height = format->height;
if (vsformat->colorFamily != cmCompat)
return 0;
if (vsformat->id != pfCompatBGR32 && vsformat->id != pfCompatYUY2) {
sprintf(err_msg, "unsupported compat format: %d (%s)", vsformat->id, vsformat->name);
return 1;
}
if (is_pack && zimg_filter_graph_get_output_buffering(graph, &count)) {
format_zimg_error(err_msg, err_msg_size);
return 1;
}
if (!is_pack && zimg_filter_graph_get_input_buffering(graph, &count)) {
format_zimg_error(err_msg, err_msg_size);
return 1;
}
mask = zimg_select_buffer_mask(count);
count = (mask == ZIMG_BUFFER_MAX) ? format->height : mask + 1;
data->frame_tmp = vsapi->newVideoFrame(
vsapi->registerFormat(cmYUV, stInteger, 8, vsformat->subSamplingW, vsformat->subSamplingH, core),
format->width,
count,
NULL,
core);
import_frame_as_write_buffer(data->frame_tmp, &data->line_buf.m, mask, vsapi);
return 0;
}
static struct vszimg_graph_data *_vszimg_get_graph_data(struct vszimg_data *data, const zimg_image_format *src_format, const zimg_image_format *dst_format,
char *err_msg, size_t err_msg_size)
{
struct vszimg_graph_data *graph_data = NULL;
struct vszimg_graph_data *ret = NULL;
vszimg_bool mutex_locked = VSZIMG_FALSE;
vszimg_bool allocate_new;
if (vszimg_mutex_lock(&data->graph_mutex)) {
sprintf(err_msg, "error locking mutex");
goto fail;
}
mutex_locked = VSZIMG_TRUE;
allocate_new = !data->graph_data ||
(!image_format_eq(&data->graph_data->src_format, src_format) ||
!image_format_eq(&data->graph_data->dst_format, dst_format));
if (allocate_new) {
if (!(graph_data = malloc(sizeof(*graph_data)))) {
sprintf(err_msg, "error allocating vszimg_graph_data");
goto fail;
}
graph_data->graph = NULL;
graph_data->ref_count = 1;
if (!(graph_data->graph = zimg_filter_graph_build(src_format, dst_format, &data->params))) {
format_zimg_error(err_msg, err_msg_size);
goto fail;
}
graph_data->src_format = *src_format;
graph_data->dst_format = *dst_format;
_vszimg_release_graph_data_unsafe(data->graph_data);
++graph_data->ref_count;
data->graph_data = graph_data;
ret = graph_data;
graph_data = NULL;
} else {
++data->graph_data->ref_count;
ret = data->graph_data;
}
fail:
if (mutex_locked)
vszimg_mutex_unlock(&data->graph_mutex);
_vszimg_release_graph_data(data, graph_data);
return ret;
}
static const VSFrameRef *_vszimg_get_frame(struct vszimg_data *data, const VSFrameRef *src_frame, VSCore *core, const VSAPI *vsapi, char *err_msg, size_t err_msg_size)
{
struct vszimg_graph_data *graph_data = NULL;
VSFrameRef *dst_frame = NULL;
VSFrameRef *ret = NULL;
void *tmp = NULL;
struct callback_data unpack_cb_data = { 0 };
struct callback_data pack_cb_data = { 0 };
zimg_image_format src_format;
zimg_image_format dst_format;
const VSFormat *src_vsformat;
const VSFormat *dst_vsformat;
const VSMap *src_props;
VSMap *dst_props;
size_t tmp_size;
zimg_image_format_default(&src_format, ZIMG_API_VERSION);
zimg_image_format_default(&dst_format, ZIMG_API_VERSION);
src_props = vsapi->getFramePropsRO(src_frame);
src_vsformat = vsapi->getFrameFormat(src_frame);
dst_vsformat = data->vi.format ? data->vi.format : src_vsformat;
src_format.width = vsapi->getFrameWidth(src_frame, 0);
src_format.height = vsapi->getFrameHeight(src_frame, 0);
dst_format.width = data->vi.width ? (unsigned)data->vi.width : src_format.width;
dst_format.height = data->vi.height ? (unsigned)data->vi.height : src_format.height;
if (translate_vsformat(src_vsformat, &src_format, err_msg))
goto fail;
if (translate_vsformat(dst_vsformat, &dst_format, err_msg))
goto fail;
_vszimg_set_src_colorspace(data, &src_format);
if (import_frame_props(vsapi, src_props, &src_format, err_msg))
goto fail;
_vszimg_set_dst_colorspace(data, &src_format, &dst_format);
if (!(graph_data = _vszimg_get_graph_data(data, &src_format, &dst_format, err_msg, err_msg_size)))
goto fail;
dst_frame = vsapi->newVideoFrame(dst_vsformat, dst_format.width, dst_format.height, src_frame, core);
dst_props = vsapi->getFramePropsRW(dst_frame);
if (callback_init_unpack(&unpack_cb_data, graph_data->graph, src_frame, &src_format, src_vsformat, core, vsapi, err_msg, err_msg_size))
goto fail;
if (callback_init_pack(&pack_cb_data, graph_data->graph, dst_frame, &dst_format, dst_vsformat, core, vsapi, err_msg, err_msg_size))
goto fail;
if (zimg_filter_graph_get_tmp_size(graph_data->graph, &tmp_size)) {
format_zimg_error(err_msg, err_msg_size);
goto fail;
}
VS_ALIGNED_MALLOC(&tmp, tmp_size, 64);
if (!tmp) {
sprintf(err_msg, "error allocating temporary buffer");
goto fail;
}
if (zimg_filter_graph_process(graph_data->graph,
&unpack_cb_data.line_buf.c,
&pack_cb_data.line_buf.m,
tmp,
unpack_cb_data.cb,
&unpack_cb_data,
pack_cb_data.cb,
&pack_cb_data))
{
format_zimg_error(err_msg, err_msg_size);
goto fail;
}
propagate_sar(vsapi, src_props, dst_props, &src_format, &dst_format);
export_frame_props(vsapi, &dst_format, dst_props);
ret = dst_frame;
dst_frame = NULL;
fail:
_vszimg_release_graph_data(data, graph_data);
vsapi->freeFrame(dst_frame);
VS_ALIGNED_FREE(tmp);
callback_destroy(&unpack_cb_data, vsapi);
callback_destroy(&pack_cb_data, vsapi);
return ret;
}
static const VSFrameRef * VS_CC vszimg_get_frame(int n, int activationReason, void **instanceData, void **frameData, VSFrameContext *frameCtx, VSCore *core, const VSAPI *vsapi)
{
struct vszimg_data *data = *instanceData;
struct vszimg_graph_data *graph_data = NULL;
const VSFrameRef *src_frame = NULL;
VSFrameRef *dst_frame = NULL;
VSFrameRef *ret = NULL;
void *tmp = NULL;
char err_msg[1024];
int err_flag = 1;
if (activationReason == arInitial) {
vsapi->requestFrameFilter(n, data->node, frameCtx);
} else if (activationReason == arAllFramesReady) {
zimg_image_buffer_const src_buf = { ZIMG_API_VERSION };
zimg_image_buffer dst_buf = { { ZIMG_API_VERSION } };
zimg_image_format src_format;
zimg_image_format dst_format;
const VSFormat *src_vsformat;
const VSFormat *dst_vsformat;
const VSMap *src_props;
VSMap *dst_props;
size_t tmp_size;
int p;
zimg2_image_format_default(&src_format, ZIMG_API_VERSION);
zimg2_image_format_default(&dst_format, ZIMG_API_VERSION);
src_frame = vsapi->getFrameFilter(n, data->node, frameCtx);
src_props = vsapi->getFramePropsRO(src_frame);
src_vsformat = vsapi->getFrameFormat(src_frame);
dst_vsformat = data->vi.format ? data->vi.format : src_vsformat;
src_format.width = vsapi->getFrameWidth(src_frame, 0);
src_format.height = vsapi->getFrameHeight(src_frame, 0);
dst_format.width = data->vi.width ? (unsigned)data->vi.width : src_format.width;
dst_format.height = data->vi.height ? (unsigned)data->vi.height : src_format.height;
if (translate_vsformat(src_vsformat, &src_format, err_msg))
goto fail;
if (translate_vsformat(dst_vsformat, &dst_format, err_msg))
goto fail;
_vszimg_set_src_colorspace(data, &src_format);
if (import_frame_props(vsapi, src_props, &src_format, err_msg))
goto fail;
_vszimg_set_dst_colorspace(data, &src_format, &dst_format);
if (!(graph_data = _vszimg_get_graph_data(data, &src_format, &dst_format, err_msg, sizeof(err_msg))))
goto fail;
dst_frame = vsapi->newVideoFrame(dst_vsformat, dst_format.width, dst_format.height, src_frame, core);
dst_props = vsapi->getFramePropsRW(dst_frame);
for (p = 0; p < src_vsformat->numPlanes; ++p) {
src_buf.data[p] = vsapi->getReadPtr(src_frame, p);
src_buf.stride[p] = vsapi->getStride(src_frame, p);
src_buf.mask[p] = -1;
}
for (p = 0; p < dst_vsformat->numPlanes; ++p) {
dst_buf.m.data[p] = vsapi->getWritePtr(dst_frame, p);
dst_buf.m.stride[p] = vsapi->getStride(dst_frame, p);
dst_buf.m.mask[p] = -1;
}
if (zimg2_filter_graph_get_tmp_size(graph_data->graph, &tmp_size)) {
format_zimg_error(err_msg, sizeof(err_msg));
goto fail;
}
VS_ALIGNED_MALLOC(&tmp, tmp_size, 64);
if (!tmp) {
sprintf(err_msg, "error allocating temporary buffer");
goto fail;
}
if (zimg2_filter_graph_process(graph_data->graph, &src_buf, &dst_buf, tmp, NULL, NULL, NULL, NULL)) {
format_zimg_error(err_msg, sizeof(err_msg));
goto fail;
}
propagate_sar(vsapi, src_props, dst_props, &src_format, &dst_format);
export_frame_props(vsapi, &dst_format, dst_props);
ret = dst_frame;
dst_frame = NULL;
}
err_flag = 0;
fail:
if (err_flag)
vsapi->setFilterError(err_msg, frameCtx);
_vszimg_release_graph_data(data, graph_data);
vsapi->freeFrame(src_frame);
vsapi->freeFrame(dst_frame);
return ret;
}