diff options
Diffstat (limited to 'example_xma.c')
-rw-r--r-- | example_xma.c | 313 |
1 files changed, 145 insertions, 168 deletions
diff --git a/example_xma.c b/example_xma.c index 72eb47092..f5c09162d 100644 --- a/example_xma.c +++ b/example_xma.c @@ -25,190 +25,167 @@ static char *exec_name; static int verbose = 0; -static const struct -{ - const char *name; - const vpx_codec_iface_t *iface; -} ifaces[] = -{ +static const struct { + const char *name; + const vpx_codec_iface_t *iface; +} ifaces[] = { #if CONFIG_VP8_DECODER - {"vp8", &vpx_codec_vp8_dx_algo}, + {"vp8", &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_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(); +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); +void my_mem_dtor(vpx_codec_mmap_t *mmap) { + if (verbose) + printf("freeing segment %d\n", mmap->id); - free(mmap->priv); + 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]); - } +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; - if (argc == 1) - printf("Using built-in defaults. For options, rerun with --help\n\n"); + exec_name = argv[0]; - /* 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; - } + for (i = 1; i < argc; i++) { + if (!strcmp(argv[i], "--codec")) { + if (i + 1 < argc) { + int j, k = -1; - /* 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; - } + i++; + + for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++) + if (!strcmp(ifaces[j].name, argv[i])) + k = j; - /* 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; - } + 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); + } 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; + 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; } |