Lines Matching defs:checksum
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;
57 uint32_t checksum;
65 uint32_t checksum;
110 static int argo_cvg_read_checksum(AVIOContext *pb, const ArgoCVGHeader *cvg, uint32_t *checksum)
116 *checksum = 0;
132 *checksum = AV_RL32(buf);
163 if ((ret = argo_cvg_read_checksum(s->pb, &ctx->header, &ctx->checksum)) < 0)
166 av_log(s, AV_LOG_TRACE, "checksum = %u\n", ctx->checksum);
178 ovr->checksum != ctx->checksum ||
308 ctx->checksum = 1;
329 ctx->checksum += pkt->data[i];
339 ctx->checksum += (ctx->size & 255)
345 av_log(s, AV_LOG_TRACE, "checksum = %u\n", ctx->checksum);
347 avio_wl32(s->pb, ctx->checksum);