Index: source/libvpx/examples/example_xma.c |
=================================================================== |
--- source/libvpx/examples/example_xma.c (revision 271012) |
+++ source/libvpx/examples/example_xma.c (working copy) |
@@ -1,193 +0,0 @@ |
-/* |
- * 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; |
- |
-} |