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avfilter/dnn/dnn_backend_tf: fix cross library usage

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duplicate ff_hex_to_data() function from avformat and rename it to
hex_to_data() as static function.

Reviewed-by: Guo, Yejun <yejun.guo@intel.com>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2021-05-11 18:35:44 +08:00
parent 7ce0f246f4
commit 2899fb61d2
1 changed files with 36 additions and 3 deletions
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39
libavfilter/dnn/dnn_backend_tf.c
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@ -28,8 +28,8 @@
#include "dnn_backend_native_layer_conv2d.h"
#include "dnn_backend_native_layer_depth2space.h"
#include "libavformat/avio.h"
#include "libavformat/internal.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "../internal.h"
#include "dnn_backend_native_layer_pad.h"
#include "dnn_backend_native_layer_maximum.h"
@ -196,6 +196,36 @@ static DNNReturnType get_output_tf(void *model, const char *input_name, int inpu
return ret;
}
#define SPACE_CHARS " \t\r\n"
static int hex_to_data(uint8_t *data, const char *p)
{
int c, len, v;
len = 0;
v = 1;
for (;;) {
p += strspn(p, SPACE_CHARS);
if (*p == '\0')
break;
c = av_toupper((unsigned char) *p++);
if (c >= '0' && c <= '9')
c = c - '0';
else if (c >= 'A' && c <= 'F')
c = c - 'A' + 10;
else
break;
v = (v << 4) | c;
if (v & 0x100) {
if (data) {
data[len] = v;
}
len++;
v = 1;
}
}
return len;
}
static DNNReturnType load_tf_model(TFModel *tf_model, const char *model_filename)
{
TFContext *ctx = &tf_model->ctx;
@ -220,14 +250,17 @@ static DNNReturnType load_tf_model(TFModel *tf_model, const char *model_filename
return DNN_ERROR;
}
config = tf_model->ctx.options.sess_config + 2;
sess_config_length = ff_hex_to_data(NULL, config);
sess_config_length = hex_to_data(NULL, config);
sess_config = av_mallocz(sess_config_length + AV_INPUT_BUFFER_PADDING_SIZE);
if (!sess_config) {
av_log(ctx, AV_LOG_ERROR, "failed to allocate memory\n");
return DNN_ERROR;
}
ff_hex_to_data(sess_config, config);
if (hex_to_data(sess_config, config) < 0) {
av_log(ctx, AV_LOG_ERROR, "failed to convert hex to data\n");
return DNN_ERROR;
}
}
graph_def = read_graph(model_filename);