ref: d4dcf7293fd8bd14660aecd14535fe7f4770bf9c
parent: ec8a3272fae86e9412a2f9d31a119681d1b209d4
parent: 732e49b6660352ea5c5a9e88c68585c304593b44
author: Tom Finegan <tomfinegan@google.com>
date: Fri May 9 10:11:22 EDT 2014
Merge "Remove bitrotted example code: example_xma"
--- a/examples.mk
+++ b/examples.mk
@@ -81,11 +81,6 @@
EXAMPLES-$(CONFIG_VP9_ENCODER) += resize_util.c
endif
-# XMA example disabled for now, not used in VP8
-#UTILS-$(CONFIG_DECODERS) += example_xma.c
-#example_xma.GUID = A955FC4A-73F1-44F7-135E-30D84D32F022
-#example_xma.DESCRIPTION = External Memory Allocation mode usage
-
EXAMPLES-$(CONFIG_ENCODERS) += vpx_temporal_scalable_patterns.c
vpx_temporal_scalable_patterns.SRCS += ivfenc.c ivfenc.h
vpx_temporal_scalable_patterns.SRCS += tools_common.c tools_common.h
--- a/examples/example_xma.c
+++ /dev/null
@@ -1,193 +1,0 @@
-/*
- * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-
-/* This is a simple program showing how to initialize the decoder in XMA mode */
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#define VPX_CODEC_DISABLE_COMPAT 1
-#include "vpx_config.h"
-#include "vpx/vpx_decoder.h"
-#include "vpx/vpx_integer.h"
-#if CONFIG_VP9_DECODER
-#include "vpx/vp8dx.h"
-#endif
-
-static char *exec_name;
-static int verbose = 0;
-
-static const struct {- const char *name;
- vpx_codec_iface_t *iface;
-} ifaces[] = {-#if CONFIG_VP9_DECODER
- {"vp9", &vpx_codec_vp8_dx_algo},-#endif
-};
-
-static void usage_exit(void) {- int i;
-
- printf("Usage: %s <options>\n\n"- "Options:\n"
- "\t--codec <name>\tCodec to use (default=%s)\n"
- "\t-h <height>\tHeight of the simulated video frame, in pixels\n"
- "\t-w <width> \tWidth of the simulated video frame, in pixels\n"
- "\t-v \tVerbose mode (show individual segment sizes)\n"
- "\t--help \tShow this message\n"
- "\n"
- "Included decoders:\n"
- "\n",
- exec_name,
- ifaces[0].name);
-
- for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
- printf(" %-6s - %s\n",- ifaces[i].name,
- vpx_codec_iface_name(ifaces[i].iface));
-
- exit(EXIT_FAILURE);
-}
-
-static void usage_error(const char *fmt, ...) {- va_list ap;
- va_start(ap, fmt);
- vprintf(fmt, ap);
- printf("\n");- usage_exit();
-}
-
-void my_mem_dtor(vpx_codec_mmap_t *mmap) {- if (verbose)
- printf("freeing segment %d\n", mmap->id);-
- free(mmap->priv);
-}
-
-int main(int argc, char **argv) {- vpx_codec_ctx_t decoder;
- vpx_codec_iface_t *iface = ifaces[0].iface;
- vpx_codec_iter_t iter;
- vpx_codec_dec_cfg_t cfg;
- vpx_codec_err_t res = VPX_CODEC_OK;
- unsigned int alloc_sz = 0;
- unsigned int w = 352;
- unsigned int h = 288;
- int i;
-
- exec_name = argv[0];
-
- for (i = 1; i < argc; i++) {- if (!strcmp(argv[i], "--codec")) {- if (i + 1 < argc) {- int j, k = -1;
-
- i++;
-
- for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
- if (!strcmp(ifaces[j].name, argv[i]))
- k = j;
-
- if (k >= 0)
- iface = ifaces[k].iface;
- else
- usage_error("Error: Unrecognized argument (%s) to --codec\n",- argv[i]);
- } else
- usage_error("Error: Option --codec requires argument.\n");- } else if (!strcmp(argv[i], "-v"))
- verbose = 1;
- else if (!strcmp(argv[i], "-h"))
- if (i + 1 < argc) {- h = atoi(argv[++i]);
- } else
- usage_error("Error: Option -h requires argument.\n");- else if (!strcmp(argv[i], "-w"))
- if (i + 1 < argc) {- w = atoi(argv[++i]);
- } else
- usage_error("Error: Option -w requires argument.\n");- else if (!strcmp(argv[i], "--help"))
- usage_exit();
- else
- usage_error("Error: Unrecognized option %s\n\n", argv[i]);- }
-
- if (argc == 1)
- printf("Using built-in defaults. For options, rerun with --help\n\n");-
- /* XMA mode is not supported on all decoders! */
- if (!(vpx_codec_get_caps(iface) & VPX_CODEC_CAP_XMA)) {- printf("%s does not support XMA mode!\n", vpx_codec_iface_name(iface));- return EXIT_FAILURE;
- }
-
- /* The codec knows how much memory to allocate based on the size of the
- * encoded frames. This data can be parsed from the bitstream with
- * vpx_codec_peek_stream_info() if a bitstream is available. Otherwise,
- * a fixed size can be used that will be the upper limit on the frame
- * size the decoder can decode.
- */
- cfg.w = w;
- cfg.h = h;
-
- /* Initialize the decoder in XMA mode. */
- if (vpx_codec_dec_init(&decoder, iface, &cfg, VPX_CODEC_USE_XMA)) {- printf("Failed to initialize decoder in XMA mode: %s\n",- vpx_codec_error(&decoder));
- return EXIT_FAILURE;
- }
-
- /* Iterate through the list of memory maps, allocating them with the
- * requested alignment.
- */
- iter = NULL;
-
- do {- vpx_codec_mmap_t mmap;
- unsigned int align;
-
- res = vpx_codec_get_mem_map(&decoder, &mmap, &iter);
- align = mmap.align ? mmap.align - 1 : 0;
-
- if (!res) {- if (verbose)
- printf("Allocating segment %u, size %lu, align %u %s\n",- mmap.id, mmap.sz, mmap.align,
- mmap.flags & VPX_CODEC_MEM_ZERO ? "(ZEROED)" : "");
-
- if (mmap.flags & VPX_CODEC_MEM_ZERO)
- mmap.priv = calloc(1, mmap.sz + align);
- else
- mmap.priv = malloc(mmap.sz + align);
-
- mmap.base = (void *)((((uintptr_t)mmap.priv) + align) &
- ~(uintptr_t)align);
- mmap.dtor = my_mem_dtor;
- alloc_sz += mmap.sz + align;
-
- if (vpx_codec_set_mem_map(&decoder, &mmap, 1)) {- printf("Failed to set mmap: %s\n", vpx_codec_error(&decoder));- return EXIT_FAILURE;
- }
- } else if (res != VPX_CODEC_LIST_END) {- printf("Failed to get mmap: %s\n", vpx_codec_error(&decoder));- return EXIT_FAILURE;
- }
- } while (res != VPX_CODEC_LIST_END);
-
- printf("%s\n %d bytes external memory required for %dx%d.\n",- decoder.name, alloc_sz, cfg.w, cfg.h);
- vpx_codec_destroy(&decoder);
- return EXIT_SUCCESS;
-
-}