[FFmpeg-soc] [soc]: r5098 - als/alsdec.c

[thilo.borgmann]

Author: thilo.borgmann
Date: Fri Aug 14 03:33:53 2009
New Revision: 5098

Log:
Added functionality to test for unsupported features.

Modified:
   als/alsdec.c

Modified: als/alsdec.c
==============================================================================
--- als/alsdec.c	Thu Aug 13 22:54:51 2009	(r5097)
+++ als/alsdec.c	Fri Aug 14 03:33:53 2009	(r5098)
@@ -280,6 +280,47 @@ static av_cold int read_specific_config(
 }
 
 
+/** Checks the ALSSpecificConfig for unsupported features.
+ */
+static int check_specific_config(ALSDecContext *ctx)
+{
+    ALSSpecificConfig *sconf = &ctx->sconf;
+    int error = 0;
+
+    if (sconf->floating) {
+        av_log_missing_feature(ctx->avctx, "Floating point decoding", 0);
+        error = -1;
+    }
+
+    if (sconf->resolution > 1) {
+        av_log_missing_feature(ctx->avctx, "Higher resolution than 16 bits per sample", 0);
+        error = -1;
+    }
+
+    if (sconf->long_term_prediction) {
+        av_log_missing_feature(ctx->avctx, "Long-term prediction", 0);
+        error = -1;
+    }
+
+    if (sconf->bgmc_mode) {
+        av_log_missing_feature(ctx->avctx, "BGMC entropy decoding", 0);
+        error = -1;
+    }
+
+    if (sconf->mc_coding) {
+        av_log_missing_feature(ctx->avctx, "Multi-channel decoding", 0);
+        error = -1;
+    }
+
+    if (sconf->RLSLMS) {
+        av_log_missing_feature(ctx->avctx, "Adaptive RLS-LMS prediction", 0);
+        error = -1;
+    }
+
+    return error;
+}
+
+
 /** Parses the bs_info item to extract the block partitioning.
  */
 static void parse_bs_info(uint32_t bs_info, unsigned int n, unsigned int div,
@@ -894,6 +935,11 @@ static av_cold int decode_init(AVCodecCo
         return -1;
     }
 
+    if (check_specific_config(ctx)) {
+        decode_end(avctx);
+        return -1;
+    }
+
     avctx->sample_rate = sconf->samp_freq;
     avctx->channels    = sconf->channels;