C++ (Cpp) mem_put_le32示例

示例#1

文件： ivfenc.c 项目： Brainiarc7/libvpx

void ivf_write_file_header(FILE *outfile,
                           const struct vpx_codec_enc_cfg *cfg,
                           unsigned int fourcc,
                           int frame_cnt) {
  char header[32];

  if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
    return;

  header[0] = 'D';
  header[1] = 'K';
  header[2] = 'I';
  header[3] = 'F';
  mem_put_le16(header + 4,  0);                 /* version */
  mem_put_le16(header + 6,  32);                /* headersize */
  mem_put_le32(header + 8,  fourcc);            /* four CC */
  mem_put_le16(header + 12, cfg->g_w);          /* width */
  mem_put_le16(header + 14, cfg->g_h);          /* height */
  mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
  mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
  mem_put_le32(header + 24, frame_cnt);         /* length */
  mem_put_le32(header + 28, 0);                 /* unused */

  (void) fwrite(header, 1, 32, outfile);
}

示例#2

文件： vpx_encoder.c 项目： Akagi201/video-encoder

static void write_ivf_file_header(FILE *outfile,
        const vpx_codec_enc_cfg_t *cfg,
        int frame_cnt) {
    char header[32];

    if ((cfg->g_pass != VPX_RC_ONE_PASS) && (cfg->g_pass != VPX_RC_LAST_PASS)) {
        return;
    }
    header[0] = 'D';
    header[1] = 'K';
    header[2] = 'I';
    header[3] = 'F';
    mem_put_le16(header + 4, 0);                   /* version */
    mem_put_le16(header + 6, 32);                  /* headersize */
    mem_put_le32(header + 8, fourcc);              /* headersize */
    mem_put_le16(header + 12, cfg->g_w);            /* width */
    mem_put_le16(header + 14, cfg->g_h);            /* height */
    mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
    mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
    mem_put_le32(header + 24, frame_cnt);           /* length */
    mem_put_le32(header + 28, 0);                   /* unused */

    fwrite(header, 1, 32, outfile);

    return;
}

示例#3

文件： ivfenc.c 项目： JasonOldWoo/webrtc-qt

void ivf_write_frame_header(FILE *outfile, const struct vpx_codec_cx_pkt *pkt) {
  char header[12];
  vpx_codec_pts_t pts;

  pts = pkt->data.frame.pts;
  mem_put_le32(header, (int)pkt->data.frame.sz);
  mem_put_le32(header + 4, pts & 0xFFFFFFFF);
  mem_put_le32(header + 8, pts >> 32);

  (void) fwrite(header, 1, 12, outfile);
}

示例#4

文件： vp9_spatial_scalable_encoder.c 项目： huangwenjun06/libvpx_mips

static void write_ivf_frame_header(FILE *outfile,
                                   const vpx_codec_cx_pkt_t *pkt) {
  char header[12];
  vpx_codec_pts_t pts;

  if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return;

  pts = pkt->data.frame.pts;
  mem_put_le32(header, pkt->data.frame.sz);
  mem_put_le32(header + 4, pts & 0xFFFFFFFF);
  mem_put_le32(header + 8, pts >> 32);

  (void)fwrite(header, 1, 12, outfile);
}

示例#5

文件： VideoDecoderTrace.cpp 项目： yutokt/android_vendor_intel

void DumpInputBuffer(VideoDecodeBuffer *buffer, const char * codec) {
    FILE *fp_out;
    char filename[20] = "/data/input.";
    strcat(filename, codec);
    char header[4];
    if((fp_out = fopen(filename,"a+")) == NULL) {
        ETRACE("Fail to open outputfile: %s  continue to decode...", filename);
    } else {
        if (strncmp(codec,"vp8", 3) == 0) {
           // vp8 need add frame size(4 bytes) at the begin of each frame
           // vega can idetify this kind of vp8 es format
            mem_put_le32(header, buffer->size);
            fwrite(header, 1, 4, fp_out);
        }

        /* write frame data */
        fwrite(buffer->data, 1, buffer->size, fp_out);
        fclose(fp_out);
    }
}

示例#6

文件： ivfenc.c 项目： Brainiarc7/libvpx

void ivf_write_frame_size(FILE *outfile, size_t size) {
  char header[4];
  mem_put_le32(header, (int)size);
  (void) fwrite(header, 1, 4, outfile);
}