diff options
Diffstat (limited to 'chromium/third_party/libvpx/source/libvpx/example_xma.c')
| -rw-r--r-- | chromium/third_party/libvpx/source/libvpx/example_xma.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/example_xma.c b/chromium/third_party/libvpx/source/libvpx/example_xma.c deleted file mode 100644 index 7aa879810d8..00000000000 --- a/chromium/third_party/libvpx/source/libvpx/example_xma.c +++ /dev/null @@ -1,191 +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; - const 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; - -} |