Initial WebM release

1 files changed, 593 insertions, 0 deletions

diff --git a/ivfdec.c b/ivfdec.c
new file mode 100644
index 000000000..e4c9981b0
--- /dev/null
+++ b/ivfdec.c
@@ -0,0 +1,593 @@
+/*
+ *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license and patent
+ *  grant that can be found in the LICENSE file in the root of the source
+ *  tree. All contributing project authors may be found in the AUTHORS
+ *  file in the root of the source tree.
+ */
+
+
+/* This is a simple program that reads ivf files and decodes them
+ * using the new interface. Decoded frames are output as YV12 raw.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#define VPX_CODEC_DISABLE_COMPAT 1
+#include "vpx_config.h"
+#include "vpx_decoder.h"
+#include "vpx_ports/vpx_timer.h"
+#if CONFIG_VP8_DECODER
+#include "vp8dx.h"
+#endif
+#if CONFIG_MD5
+#include "md5_utils.h"
+#endif
+
+static const char *exec_name;
+
+static const struct
+{
+    char const *name;
+    const vpx_codec_iface_t *iface;
+    unsigned int             fourcc;
+    unsigned int             fourcc_mask;
+} ifaces[] =
+{
+#if CONFIG_VP8_DECODER
+    {"vp8",  &vpx_codec_vp8_dx_algo,   0x00385056, 0x00FFFFFF},
+#endif
+};
+
+#include "args.h"
+static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
+                                  "Codec to use");
+static const arg_def_t prefixarg = ARG_DEF("p", "prefix", 1,
+                                   "Prefix to use when saving frames");
+static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
+                                  "Output file is YV12 ");
+static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
+                                  "Output file is I420 (default)");
+static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
+                                   "Synonym for --yv12");
+static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
+                                   "Don't process the decoded frames");
+static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
+                                     "Show progress after each frame decodes");
+static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
+                                  "Stop decoding after n frames");
+static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
+                                     "Postprocess decoded frames");
+static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
+                                    "Show timing summary");
+static const arg_def_t outputfile = ARG_DEF("o", "output-raw-file", 1,
+                                    "Output raw yv12 file instead of images");
+static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
+                                    "Max threads to use");
+static const arg_def_t quietarg = ARG_DEF("q", "quiet", 0,
+                                  "Suppress version string");
+
+#if CONFIG_MD5
+static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
+                                        "Compute the MD5 sum of the decoded frame");
+#endif
+static const arg_def_t *all_args[] =
+{
+    &codecarg, &prefixarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
+    &progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile,
+    &threadsarg, &quietarg,
+#if CONFIG_MD5
+    &md5arg,
+#endif
+    NULL
+};
+
+#if CONFIG_VP8_DECODER
+static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
+                                        "Enable VP8 postproc add noise");
+static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
+                                 "Enable VP8 deblocking");
+static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
+        "Enable VP8 demacroblocking, w/ level");
+static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
+                                       "Enable VP8 visible debug info");
+
+
+static const arg_def_t *vp8_pp_args[] =
+{
+    &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
+    NULL
+};
+#endif
+
+static void usage_exit()
+{
+    int i;
+
+    fprintf(stderr, "Usage: %s <options> filename\n\n"
+            "Options:\n", exec_name);
+    arg_show_usage(stderr, all_args);
+#if CONFIG_VP8_DECODER
+    fprintf(stderr, "\nvp8 Postprocessing Options:\n");
+    arg_show_usage(stderr, vp8_pp_args);
+#endif
+    fprintf(stderr, "\nIncluded decoders:\n\n");
+
+    for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
+        fprintf(stderr, "    %-6s - %s\n",
+                ifaces[i].name,
+                vpx_codec_iface_name(ifaces[i].iface));
+
+    exit(EXIT_FAILURE);
+}
+
+void die(const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    vfprintf(stderr, fmt, ap);
+    fprintf(stderr, "\n");
+    usage_exit();
+}
+
+static unsigned int mem_get_le16(const void *vmem)
+{
+    unsigned int  val;
+    const unsigned char *mem = (const unsigned char *)vmem;
+
+    val = mem[1] << 8;
+    val |= mem[0];
+    return val;
+}
+
+static unsigned int mem_get_le32(const void *vmem)
+{
+    unsigned int  val;
+    const unsigned char *mem = (const unsigned char *)vmem;
+
+    val = mem[3] << 24;
+    val |= mem[2] << 16;
+    val |= mem[1] << 8;
+    val |= mem[0];
+    return val;
+}
+
+#define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
+#define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
+static int read_frame(FILE                  *infile,
+                      uint8_t               **buf,
+                      uint32_t              *buf_sz,
+                      uint32_t              *buf_alloc_sz,
+                      int                    is_ivf)
+{
+    char     raw_hdr[IVF_FRAME_HDR_SZ];
+    uint32_t new_buf_sz;
+
+    /* For both the raw and ivf formats, the frame size is the first 4 bytes
+     * of the frame header. We just need to special case on the header
+     * size.
+     */
+    if (fread(raw_hdr, is_ivf ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1,
+              infile) != 1)
+    {
+        if (!feof(infile))
+            fprintf(stderr, "Failed to read frame size\n");
+
+        new_buf_sz = 0;
+    }
+    else
+    {
+        new_buf_sz = mem_get_le32(raw_hdr);
+
+        if (new_buf_sz > 256 * 1024 * 1024)
+        {
+            fprintf(stderr, "Error: Read invalid frame size (%u)\n",
+                    new_buf_sz);
+            new_buf_sz = 0;
+        }
+
+        if (!is_ivf && new_buf_sz > 256 * 1024)
+            fprintf(stderr, "Warning: Read invalid frame size (%u)"
+                    " - not a raw file?\n", new_buf_sz);
+
+        if (new_buf_sz > *buf_alloc_sz)
+        {
+            uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
+
+            if (new_buf)
+            {
+                *buf = new_buf;
+                *buf_alloc_sz = 2 * new_buf_sz;
+            }
+            else
+            {
+                fprintf(stderr, "Failed to allocate compressed data buffer\n");
+                new_buf_sz = 0;
+            }
+        }
+    }
+
+    *buf_sz = new_buf_sz;
+
+    if (*buf_sz)
+    {
+        if (fread(*buf, 1, *buf_sz, infile) != *buf_sz)
+        {
+            fprintf(stderr, "Failed to read full frame\n");
+            return 1;
+        }
+
+        return 0;
+    }
+
+    return 1;
+}
+
+void *out_open(const char *out_fn, int do_md5)
+{
+    void *out = NULL;
+
+    if (do_md5)
+    {
+#if CONFIG_MD5
+        md5_ctx_t *md5_ctx = out = malloc(sizeof(md5_ctx_t));
+        (void)out_fn;
+        md5_init(md5_ctx);
+#endif
+    }
+    else
+    {
+        FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb") : stdout;
+
+        if (!outfile)
+        {
+            fprintf(stderr, "Failed to output file");
+            exit(EXIT_FAILURE);
+        }
+    }
+
+    return out;
+}
+
+void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5)
+{
+    if (do_md5)
+    {
+#if CONFIG_MD5
+        md5_update(out, buf, len);
+#endif
+    }
+    else
+    {
+        fwrite(buf, 1, len, out);
+    }
+}
+
+void out_close(void *out, const char *out_fn, int do_md5)
+{
+    if (do_md5)
+    {
+#if CONFIG_MD5
+        uint8_t md5[16];
+        int i;
+
+        md5_finalize(out, md5);
+        free(out);
+
+        for (i = 0; i < 16; i++)
+            printf("%02x", md5[i]);
+
+        printf("  %s\n", out_fn);
+#endif
+    }
+    else
+    {
+        fclose(out);
+    }
+}
+
+unsigned int file_is_ivf(FILE *infile, unsigned int *fourcc)
+{
+    char raw_hdr[32];
+    int is_ivf = 0;
+
+    if (fread(raw_hdr, 1, 32, infile) == 32)
+    {
+        if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
+            && raw_hdr[2] == 'I' && raw_hdr[3] == 'F')
+        {
+            is_ivf = 1;
+
+            if (mem_get_le16(raw_hdr + 4) != 0)
+                fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
+                        " decode properly.");
+
+            *fourcc = mem_get_le32(raw_hdr + 8);
+        }
+    }
+
+    if (!is_ivf)
+        rewind(infile);
+
+    return is_ivf;
+}
+
+int main(int argc, const char **argv_)
+{
+    vpx_codec_ctx_t          decoder;
+    char                  *prefix = NULL, *fn = NULL;
+    int                    i;
+    uint8_t               *buf = NULL;
+    uint32_t               buf_sz = 0, buf_alloc_sz = 0;
+    FILE                  *infile;
+    int                    frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
+    int                    stop_after = 0, postproc = 0, summary = 0, quiet = 0;
+    vpx_codec_iface_t       *iface = NULL;
+    unsigned int           is_ivf, fourcc;
+    unsigned long          dx_time = 0;
+    struct arg               arg;
+    char                   **argv, **argi, **argj;
+    const char                   *fn2 = 0;
+    void                   *out = NULL;
+    vpx_codec_dec_cfg_t     cfg = {0};
+#if CONFIG_VP8_DECODER
+    vp8_postproc_cfg_t      vp8_pp_cfg = {0};
+#endif
+
+    /* Parse command line */
+    exec_name = argv_[0];
+    argv = argv_dup(argc - 1, argv_ + 1);
+
+    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
+    {
+        memset(&arg, 0, sizeof(arg));
+        arg.argv_step = 1;
+
+        if (arg_match(&arg, &codecarg, argi))
+        {
+            int j, k = -1;
+
+            for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
+                if (!strcmp(ifaces[j].name, arg.val))
+                    k = j;
+
+            if (k >= 0)
+                iface = ifaces[k].iface;
+            else
+                die("Error: Unrecognized argument (%s) to --codec\n",
+                    arg.val);
+        }
+        else if (arg_match(&arg, &outputfile, argi))
+            fn2 = arg.val;
+        else if (arg_match(&arg, &prefixarg, argi))
+            prefix = strdup(arg.val);
+        else if (arg_match(&arg, &use_yv12, argi))
+            flipuv = 1;
+        else if (arg_match(&arg, &use_i420, argi))
+            flipuv = 0;
+        else if (arg_match(&arg, &flipuvarg, argi))
+            flipuv = 1;
+        else if (arg_match(&arg, &noblitarg, argi))
+            noblit = 1;
+        else if (arg_match(&arg, &progressarg, argi))
+            progress = 1;
+        else if (arg_match(&arg, &limitarg, argi))
+            stop_after = arg_parse_uint(&arg);
+        else if (arg_match(&arg, &postprocarg, argi))
+            postproc = 1;
+        else if (arg_match(&arg, &md5arg, argi))
+            do_md5 = 1;
+        else if (arg_match(&arg, &summaryarg, argi))
+            summary = 1;
+        else if (arg_match(&arg, &threadsarg, argi))
+            cfg.threads = arg_parse_uint(&arg);
+        else if (arg_match(&arg, &quietarg, argi))
+            quiet = 1;
+
+#if CONFIG_VP8_DECODER
+        else if (arg_match(&arg, &addnoise_level, argi))
+        {
+            postproc = 1;
+            vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
+            vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
+        }
+        else if (arg_match(&arg, &demacroblock_level, argi))
+        {
+            postproc = 1;
+            vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
+            vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
+        }
+        else if (arg_match(&arg, &deblock, argi))
+        {
+            postproc = 1;
+            vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
+        }
+        else if (arg_match(&arg, &pp_debug_info, argi))
+        {
+            unsigned int level = arg_parse_uint(&arg);
+
+            postproc = 1;
+            vp8_pp_cfg.post_proc_flag &= ~0x7;
+
+            if (level)
+                vp8_pp_cfg.post_proc_flag |= 8 << (level - 1);
+        }
+
+#endif
+        else
+            argj++;
+    }
+
+    /* Check for unrecognized options */
+    for (argi = argv; *argi; argi++)
+        if (argi[0][0] == '-' && strlen(argi[0]) > 1)
+            die("Error: Unrecognized option %s\n", *argi);
+
+    /* Handle non-option arguments */
+    fn = argv[0];
+
+    if (!fn)
+        usage_exit();
+
+    if (!prefix)
+        prefix = strdup("img");
+
+    /* Open file */
+    infile = strcmp(fn, "-") ? fopen(fn, "rb") : stdin;
+
+    if (!infile)
+    {
+        fprintf(stderr, "Failed to open file");
+        return EXIT_FAILURE;
+    }
+
+    if (fn2)
+        out = out_open(fn2, do_md5);
+
+    is_ivf = file_is_ivf(infile, &fourcc);
+
+    if (is_ivf)
+    {
+        /* Try to determine the codec from the fourcc. */
+        for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
+            if ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc)
+            {
+                vpx_codec_iface_t  *ivf_iface = ifaces[i].iface;
+
+                if (iface && iface != ivf_iface)
+                    fprintf(stderr, "Notice -- IVF header indicates codec: %s\n",
+                            ifaces[i].name);
+                else
+                    iface = ivf_iface;
+
+                break;
+            }
+    }
+
+    if (vpx_codec_dec_init(&decoder, iface ? iface :  ifaces[0].iface, &cfg,
+                           postproc ? VPX_CODEC_USE_POSTPROC : 0))
+    {
+        fprintf(stderr, "Failed to initialize decoder: %s\n", vpx_codec_error(&decoder));
+        return EXIT_FAILURE;
+    }
+
+    if (!quiet)
+        fprintf(stderr, "%s\n", decoder.name);
+
+#if CONFIG_VP8_DECODER
+
+    if (vp8_pp_cfg.post_proc_flag
+        && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg))
+    {
+        fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
+        return EXIT_FAILURE;
+    }
+
+#endif
+
+    /* Decode file */
+    while (!read_frame(infile, &buf, &buf_sz, &buf_alloc_sz, is_ivf))
+    {
+        vpx_codec_iter_t  iter = NULL;
+        vpx_image_t    *img;
+        struct vpx_usec_timer timer;
+
+        vpx_usec_timer_start(&timer);
+
+        if (vpx_codec_decode(&decoder, buf, buf_sz, NULL, 0))
+        {
+            const char *detail = vpx_codec_error_detail(&decoder);
+            fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(&decoder));
+
+            if (detail)
+                fprintf(stderr, "  Additional information: %s\n", detail);
+
+            goto fail;
+        }
+
+        vpx_usec_timer_mark(&timer);
+        dx_time += vpx_usec_timer_elapsed(&timer);
+
+        ++frame_in;
+
+        if (progress)
+            fprintf(stderr, "decoded frame %d.\n", frame_in);
+
+        if ((img = vpx_codec_get_frame(&decoder, &iter)))
+            ++frame_out;
+
+        if (!noblit)
+        {
+            if (img)
+            {
+                unsigned int y;
+                char out_fn[128+24];
+                uint8_t *buf;
+                const char *sfx = flipuv ? "yv12" : "i420";
+
+                if (!fn2)
+                {
+                    sprintf(out_fn, "%s-%dx%d-%04d.%s",
+                            prefix, img->d_w, img->d_h, frame_in, sfx);
+                    out = out_open(out_fn, do_md5);
+                }
+
+                buf = img->planes[PLANE_Y];
+
+                for (y = 0; y < img->d_h; y++)
+                {
+                    out_put(out, buf, img->d_w, do_md5);
+                    buf += img->stride[PLANE_Y];
+                }
+
+                buf = img->planes[flipuv?PLANE_V:PLANE_U];
+
+                for (y = 0; y < (1 + img->d_h) / 2; y++)
+                {
+                    out_put(out, buf, (1 + img->d_w) / 2, do_md5);
+                    buf += img->stride[PLANE_U];
+                }
+
+                buf = img->planes[flipuv?PLANE_U:PLANE_V];
+
+                for (y = 0; y < (1 + img->d_h) / 2; y++)
+                {
+                    out_put(out, buf, (1 + img->d_w) / 2, do_md5);
+                    buf += img->stride[PLANE_V];
+                }
+
+                if (!fn2)
+                    out_close(out, out_fn, do_md5);
+            }
+        }
+
+        if (stop_after && frame_in >= stop_after)
+            break;
+    }
+
+    if (summary)
+    {
+        fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\n",
+                frame_in, frame_out, dx_time, (float)frame_out * 1000000.0 / (float)dx_time);
+    }
+
+fail:
+
+    if (vpx_codec_destroy(&decoder))
+    {
+        fprintf(stderr, "Failed to destroy decoder: %s\n", vpx_codec_error(&decoder));
+        return EXIT_FAILURE;
+    }
+
+    if (fn2)
+        out_close(out, fn2, do_md5);
+
+    free(buf);
+    fclose(infile);
+    free(prefix);
+    free(argv);
+
+    return EXIT_SUCCESS;
+}