/** * FreeRDP: A Remote Desktop Protocol Client * RemoteFX Codec Library Unit Tests * * Copyright 2011 Vic Lee * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * The sample data comes from [MS-RDPRFX] 4.2.3, which is decoded into three * vertical bands in red (21x64), green (23x64) and blue(20x64) color. */ #include #include #include #include #include #include #include #include #include "rfx_types.h" #include "rfx_bitstream.h" #include "rfx_rlgr.h" #include "rfx_differential.h" #include "rfx_quantization.h" #include "rfx_dwt.h" #include "rfx_decode.h" #include "rfx_encode.h" #include "test_rfx.h" static const uint8 y_data[] = { 0x19, 0x82, 0x1d, 0x10, 0x62, 0x9d, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb2, 0x88, 0x52, 0xca, 0x21, 0x4b, 0x28, 0x85, 0x2c, 0xa2, 0x14, 0xb0, 0x00, 0x20, 0xf4, 0x40, 0x0c, 0xc1, 0x1e, 0x20, 0x26, 0x22, 0x20, 0x33, 0x23, 0xc4, 0x23, 0x88, 0x86, 0x50, 0xf1, 0x22, 0x68, 0x4c, 0x91, 0x85, 0x10, 0x34, 0x4c, 0x84, 0x78, 0xa2, 0x0d, 0x13, 0x21, 0x1e, 0x29, 0x06, 0x89, 0x90, 0x8f, 0x14, 0x83, 0x44, 0xf4, 0x23, 0xc5, 0x20, 0xd1, 0x3d, 0x08, 0xf1, 0x48, 0x34, 0x4f, 0x42, 0x3c, 0x52, 0x0d, 0x13, 0xd0, 0x8f, 0x14, 0x83, 0x44, 0xf4, 0x23, 0xc5, 0x20, 0xd1, 0x3d, 0x08, 0xf1, 0x48, 0x34, 0x4f, 0x42, 0x3c, 0x52, 0x0d, 0x13, 0xd0, 0x8f, 0x14, 0x83, 0x44, 0xf4, 0x23, 0xc5, 0x20, 0x00, 0x08, 0x47, 0x70, 0x15, 0x02, 0xe0, 0x7f, 0xe4, 0x9d, 0xc2, 0x51, 0x71, 0xf4, 0x99, 0xc9, 0x57, 0xff, 0x32, 0x87, 0x9d, 0x17, 0xd6, 0x50, 0x6e, 0x06, 0x2f, 0xac, 0xa0, 0x9c, 0x0c, 0x5f, 0x59, 0x41, 0x38, 0x18, 0xbe, 0xb2, 0x82, 0x70, 0x31, 0x7d, 0x65, 0x00, 0x00, 0x10, 0xff, 0x9c, 0x33, 0x41, 0xf1, 0xc4, 0xb0, 0x3c, 0xff, 0xa2, 0x15, 0xbd, 0x7b, 0xea, 0x86, 0x9b, 0x5f, 0xfc, 0x78, 0x8c, 0xf5, 0xed, 0xa8, 0x68, 0xda, 0xfd, 0x3c, 0x45, 0x7a, 0xf4, 0xd4, 0x34, 0x6d, 0x7e, 0x9e, 0x22, 0xbd, 0x7a, 0x6a, 0x1a, 0x36, 0xbf, 0x4f, 0x11, 0x5e, 0xbd, 0x35, 0x0d, 0x1b, 0x5f, 0xa7, 0x88, 0xaf, 0x5e, 0x9a, 0x86, 0x8d, 0xaf, 0xd3, 0xc4, 0x57, 0xaf, 0x4d, 0x43, 0x46, 0xd7, 0xe9, 0xe2, 0x20, 0x30, 0x00 }; static const uint8 cb_data[] = { 0x1b, 0x04, 0x7f, 0x04, 0x31, 0x5f, 0xc2, 0x94, 0xaf, 0x05, 0x29, 0x5e, 0x0a, 0x52, 0xbc, 0x14, 0xa5, 0x78, 0x29, 0x25, 0x78, 0x29, 0x25, 0x78, 0x29, 0x25, 0x68, 0x52, 0x4a, 0xf0, 0x52, 0x4a, 0xf0, 0x52, 0x4a, 0xd0, 0xa4, 0x95, 0xe0, 0xa4, 0x95, 0xe0, 0xa4, 0x95, 0xa1, 0x49, 0x2b, 0xc1, 0x49, 0x2b, 0xc1, 0x49, 0x2b, 0x42, 0x92, 0x57, 0x82, 0x92, 0x57, 0x82, 0x92, 0x56, 0x85, 0x24, 0xaf, 0x05, 0x24, 0xaf, 0x05, 0x24, 0xad, 0x0a, 0x49, 0x5e, 0x0a, 0x49, 0x5e, 0x0a, 0x49, 0x5a, 0x14, 0x92, 0xbc, 0x14, 0x92, 0xbc, 0x14, 0x92, 0xb4, 0x29, 0x25, 0x78, 0x29, 0x25, 0x78, 0x00, 0x02, 0x0f, 0x02, 0x00, 0xac, 0x13, 0xfc, 0xc0, 0x0a, 0x20, 0x10, 0x2b, 0x27, 0xf9, 0x80, 0xb0, 0x08, 0xaa, 0x3d, 0x60, 0x8c, 0x0b, 0x24, 0xff, 0x30, 0x80, 0xc0, 0xaa, 0x13, 0xfc, 0xc2, 0x03, 0x05, 0x90, 0x9f, 0xe6, 0x10, 0x18, 0x2c, 0x84, 0xff, 0x30, 0x81, 0x82, 0xc8, 0x4f, 0xf3, 0x08, 0x18, 0x2c, 0x84, 0xff, 0x31, 0x03, 0x05, 0x90, 0x9f, 0xff, 0xd8, 0x40, 0x60, 0x59, 0x09, 0xfe, 0x61, 0x01, 0x81, 0x64, 0x27, 0xf9, 0x84, 0x06, 0x0b, 0x21, 0x3f, 0xcc, 0x20, 0x30, 0x59, 0x09, 0xfe, 0x61, 0x03, 0x05, 0x90, 0x9f, 0xe6, 0x10, 0x30, 0x59, 0x09, 0xfe, 0x62, 0x00, 0x00, 0x42, 0x15, 0x00, 0x10, 0x15, 0x01, 0xfe, 0x20, 0x84, 0xd5, 0x01, 0x0a, 0x8f, 0xf1, 0x40, 0x33, 0x78, 0x17, 0xf9, 0xc2, 0x03, 0x83, 0x01, 0x78, 0xe1, 0x01, 0xc1, 0x00, 0xbc, 0x70, 0x80, 0xe0, 0x80, 0x5e, 0x38, 0x40, 0x70, 0x40, 0x2f, 0x1c, 0x20, 0x38, 0x20, 0x17, 0x8e, 0x10, 0x00, 0x00, 0x87, 0xd5, 0x08, 0x70, 0xef, 0x81, 0xa2, 0xd8, 0xff, 0xff, 0xff, 0xfb, 0xd1, 0x2d, 0x4e, 0xa6, 0xce, 0x20, 0xa4, 0xef, 0x05, 0x78, 0x35, 0x3a, 0x9b, 0x38, 0x82, 0x93, 0xbc, 0x15, 0xe0, 0xd4, 0xea, 0x66, 0x71, 0x05, 0x27, 0x78, 0x2b, 0xc1, 0x29, 0xd4, 0xcc, 0xe2, 0x0a, 0x4e, 0xf0, 0x57, 0x82, 0x53, 0xa9, 0x99, 0xc4, 0x14, 0x9d, 0xe0, 0xaf, 0x04, 0xa7, 0x53, 0x33, 0x88, 0x29, 0x3b, 0xc1, 0x5e, 0x09, 0x4e, 0xa6, 0x67, 0x10, 0x52, 0x77, 0x82, 0xbc, 0x00, 0x18, 0x00 }; static const uint8 cr_data[] = { 0x1b, 0xfc, 0x11, 0xc1, 0x0f, 0x4a, 0xc1, 0x4f, 0x4a, 0xc1, 0x4f, 0x4a, 0xa1, 0x4d, 0x95, 0x42, 0x9e, 0x95, 0x42, 0x9e, 0x95, 0x42, 0x9b, 0x2a, 0x85, 0x3d, 0x2a, 0x85, 0x3d, 0x2a, 0x85, 0x36, 0x55, 0x0a, 0x7a, 0x55, 0x0a, 0x7a, 0x55, 0x0a, 0x6c, 0xaa, 0x14, 0xf4, 0xaa, 0x14, 0xf4, 0xaa, 0x14, 0xd9, 0x54, 0x29, 0xe9, 0x54, 0x29, 0xe9, 0x54, 0x29, 0xb2, 0xa8, 0x53, 0xd2, 0xa8, 0x53, 0xd2, 0xa8, 0x53, 0x65, 0x50, 0xa7, 0xa5, 0x50, 0xa7, 0xa5, 0x50, 0xa6, 0xca, 0xa1, 0x4f, 0x4a, 0xa1, 0x4f, 0x4a, 0xa1, 0x4d, 0x95, 0x42, 0x9e, 0x95, 0x42, 0x9e, 0x95, 0x42, 0x9b, 0x2a, 0x80, 0x00, 0x41, 0xe3, 0x80, 0x3f, 0xe2, 0x09, 0x9c, 0x00, 0x22, 0x07, 0x03, 0xe1, 0x26, 0x70, 0x06, 0x07, 0x1f, 0x04, 0x67, 0x00, 0x61, 0xdf, 0x02, 0x67, 0x00, 0x0c, 0x3b, 0xfe, 0x01, 0x33, 0x80, 0x06, 0x1d, 0xff, 0x00, 0x99, 0xc0, 0x03, 0x0e, 0xff, 0x80, 0x4c, 0xe0, 0x01, 0x87, 0x7f, 0xc0, 0x26, 0x70, 0x00, 0xc3, 0xbf, 0xe0, 0x13, 0x38, 0x00, 0x61, 0xdf, 0xf0, 0x09, 0x9c, 0x00, 0x30, 0xef, 0xf8, 0x04, 0xce, 0x00, 0x18, 0x77, 0xfc, 0x02, 0x67, 0x00, 0x0c, 0x3b, 0xfe, 0x01, 0x33, 0x80, 0x06, 0x1d, 0xff, 0x00, 0x99, 0xc0, 0x03, 0x0e, 0xff, 0x80, 0x4c, 0xe0, 0x01, 0x87, 0x7f, 0xc0, 0x26, 0x70, 0x00, 0x00, 0x08, 0x3c, 0x20, 0x1f, 0xf1, 0x00, 0xf0, 0x05, 0x02, 0x93, 0x84, 0x3d, 0x20, 0xf0, 0x52, 0x81, 0xc7, 0xff, 0xff, 0xea, 0x54, 0x01, 0x80, 0x05, 0xf5, 0x4a, 0x80, 0x30, 0x00, 0xb6, 0xa5, 0x40, 0x18, 0x00, 0x5f, 0x54, 0xa8, 0x03, 0x00, 0x0b, 0xea, 0x95, 0x00, 0x60, 0x01, 0x6d, 0x4a, 0x80, 0x30, 0x00, 0x00, 0x22, 0x3f, 0xba, 0x08, 0x10, 0x2b, 0x1f, 0xf2, 0x20, 0x3e, 0x49, 0x9c, 0x1f, 0x6e, 0x0f, 0x5a, 0x0f, 0xfb, 0x18, 0x46, 0xae, 0x27, 0x9b, 0x83, 0xcb, 0x41, 0xf3, 0x18, 0x46, 0xae, 0x27, 0x9b, 0x83, 0xc5, 0xa0, 0xf9, 0x8c, 0x22, 0xd7, 0x13, 0x8d, 0xc1, 0xe2, 0xd0, 0x7c, 0xc6, 0x11, 0x6b, 0x89, 0xc6, 0xe0, 0xf1, 0x68, 0x3e, 0x63, 0x08, 0xb5, 0xc4, 0xe3, 0x70, 0x78, 0xb4, 0x1f, 0x31, 0x84, 0x5a, 0xe2, 0x71, 0xb8, 0x3c, 0x5a, 0x0f, 0x98, 0xc2, 0x2d, 0x71, 0x30, 0x83, 0xc0, 0x00 }; /* HL1, LH1, HH1, HL2, LH2, HH2, HL3, LH3, HH3, LL3 */ static const unsigned int test_quantization_values[] = { 6, 6, 6, 6, 7, 7, 8, 8, 8, 9 }; static const uint8 rgb_scanline_data[] = { 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF }; static uint8* rgb_data; int init_rfx_suite(void) { return 0; } int clean_rfx_suite(void) { return 0; } int add_rfx_suite(void) { add_test_suite(rfx); add_test_function(bitstream); add_test_function(bitstream_enc); add_test_function(rlgr); add_test_function(differential); add_test_function(quantization); add_test_function(dwt); add_test_function(decode); add_test_function(encode); add_test_function(message); return 0; } void test_bitstream(void) { uint16 b; RFX_BITSTREAM* bs; bs = xnew(RFX_BITSTREAM); rfx_bitstream_attach(bs, (uint8*) y_data, sizeof(y_data)); while (!rfx_bitstream_eos(bs)) { rfx_bitstream_get_bits(bs, 3, b); (void) b; //printf("%u ", b); } xfree(bs); //printf("\n"); } void test_bitstream_enc(void) { uint8 buffer[10]; RFX_BITSTREAM* bs; int i; bs = xnew(RFX_BITSTREAM); memset(buffer, 0, sizeof(buffer)); rfx_bitstream_attach(bs, buffer, sizeof(buffer)); for (i = 0; i < 16; i++) { rfx_bitstream_put_bits(bs, i, 5); } /*for (i = 0; i < sizeof(buffer); i++) { printf("%X ", buffer[i]); }*/ xfree(bs); //printf("\n"); } static sint16 buffer[4096]; void dump_buffer(sint16* buf, int n) { int i; for (i = 0; i < n; i++) { if (i % 16 == 0) printf("\n%04d ", i); printf("% 4d ", buf[i]); } printf("\n"); } void test_rlgr(void) { int n; n = rfx_rlgr_decode(RLGR3, y_data, sizeof(y_data), buffer, ARRAY_SIZE(buffer)); //printf("RLGR decode %d bytes to %d values.", sizeof(y_data), n); //dump_buffer(buffer, n); } void test_differential(void) { rfx_differential_decode(buffer + 4032, 64); //dump_buffer(buffer + 4032, 64); } void test_quantization(void) { rfx_quantization_decode(buffer, test_quantization_values); //dump_buffer(buffer, 4096); } void test_dwt(void) { RFX_CONTEXT* context; context = rfx_context_new(); rfx_dwt_2d_decode(buffer, context->priv->dwt_buffer); //dump_buffer(buffer, 4096); rfx_context_free(context); } /* Dump a .ppm image. */ static void dump_ppm_image(uint8* image_buf) { static int frame_id = 0; char buf[100]; FILE* fp; snprintf(buf, sizeof(buf), "/tmp/FreeRDP_Frame_%d.ppm", frame_id); fp = fopen(buf, "wb"); fwrite("P6\n", 1, 3, fp); fwrite("# Created by FreeRDP\n", 1, 21, fp); fwrite("64 64\n", 1, 6, fp); fwrite("255\n", 1, 4, fp); fwrite(image_buf, 1, 4096 * 3, fp); fflush(fp); fclose(fp); frame_id++; } void test_decode(void) { RFX_CONTEXT* context; uint8 decode_buffer[4096 * 3]; STREAM* s; s = stream_new(sizeof(y_data) + sizeof(cb_data) + sizeof(cr_data)); stream_write(s, y_data, sizeof(y_data)); stream_write(s, cb_data, sizeof(cb_data)); stream_write(s, cr_data, sizeof(cr_data)); stream_set_pos(s, 0); context = rfx_context_new(); context->mode = RLGR3; rfx_context_set_pixel_format(context, RDP_PIXEL_FORMAT_R8G8B8); rfx_decode_rgb(context, s, sizeof(y_data), test_quantization_values, sizeof(cb_data), test_quantization_values, sizeof(cr_data), test_quantization_values, decode_buffer); rfx_context_free(context); stream_free(s); dump_ppm_image(decode_buffer); } void test_encode(void) { RFX_CONTEXT* context; STREAM* enc_stream; int y_size, cb_size, cr_size; int i; uint8 decode_buffer[4096 * 3]; rgb_data = (uint8 *) malloc(64 * 64 * 3); for (i = 0; i < 64; i++) memcpy(rgb_data + i * 64 * 3, rgb_scanline_data, 64 * 3); //freerdp_hexdump(rgb_data, 64 * 64 * 3); enc_stream = stream_new(65536); stream_clear(enc_stream); context = rfx_context_new(); context->mode = RLGR3; rfx_context_set_pixel_format(context, RDP_PIXEL_FORMAT_R8G8B8); rfx_encode_rgb(context, rgb_data, 64, 64, 64 * 3, test_quantization_values, test_quantization_values, test_quantization_values, enc_stream, &y_size, &cb_size, &cr_size); //dump_buffer(context->priv->cb_g_buffer, 4096); /*printf("*** Y ***\n"); freerdp_hexdump(stream_get_head(enc_stream), y_size); printf("*** Cb ***\n"); freerdp_hexdump(stream_get_head(enc_stream) + y_size, cb_size); printf("*** Cr ***\n"); freerdp_hexdump(stream_get_head(enc_stream) + y_size + cb_size, cr_size);*/ stream_set_pos(enc_stream, 0); rfx_decode_rgb(context, enc_stream, y_size, test_quantization_values, cb_size, test_quantization_values, cr_size, test_quantization_values, decode_buffer); dump_ppm_image(decode_buffer); rfx_context_free(context); stream_free(enc_stream); free(rgb_data); } void test_message(void) { RFX_CONTEXT* context; STREAM* s; int i, j; RFX_RECT rect = {0, 0, 100, 80}; RFX_MESSAGE * message; rgb_data = (uint8 *) malloc(100 * 80 * 3); for (i = 0; i < 80; i++) memcpy(rgb_data + i * 100 * 3, rgb_scanline_data, 100 * 3); s = stream_new(65536); stream_clear(s); context = rfx_context_new(); context->mode = RLGR3; context->width = 800; context->height = 600; rfx_context_set_pixel_format(context, RDP_PIXEL_FORMAT_R8G8B8); for (i = 0; i < 1000; i++) { s = stream_new(65536); stream_clear(s); rfx_compose_message(context, s, &rect, 1, rgb_data, 100, 80, 100 * 3); stream_seal(s); /*hexdump(buffer, size);*/ stream_set_pos(s, 0); message = rfx_process_message(context, s->p, s->size); if (i == 0) { for (j = 0; j < message->num_tiles; j++) { dump_ppm_image(message->tiles[j]->data); } } rfx_message_free(context, message); stream_free(s); } rfx_context_free(context); free(rgb_data); }