33  * .CVG files are essentially PSX ADPCM wrapped with a size and checksum.
43     uint32_t size; /*< File size -8 (this + trailing checksum) */
51     uint32_t      checksum;  member
57     uint32_t      checksum;  member
65     uint32_t      checksum;  member
110 static int argo_cvg_read_checksum(AVIOContext *pb, const ArgoCVGHeader *cvg, uint32_t *checksum)  in argo_cvg_read_checksum()  argument
116         *checksum = 0;  in argo_cvg_read_checksum()
132     *checksum = AV_RL32(buf);  in argo_cvg_read_checksum()
163     if ((ret = argo_cvg_read_checksum(s->pb, &ctx->header, &ctx->checksum)) < 0)  in argo_cvg_read_header()
166     av_log(s, AV_LOG_TRACE, "checksum   = %u\n", ctx->checksum);  in argo_cvg_read_header()
178             ovr->checksum    != ctx->checksum    ||  in argo_cvg_read_header()
308     ctx->checksum = 1;  in argo_cvg_write_header()
329         ctx->checksum += pkt->data[i];  in argo_cvg_write_packet()
339     ctx->checksum +=  (ctx->size      & 255)  in argo_cvg_write_trailer()
345     av_log(s, AV_LOG_TRACE, "checksum = %u\n",  ctx->checksum);  in argo_cvg_write_trailer()
347     avio_wl32(s->pb, ctx->checksum);  in argo_cvg_write_trailer()