X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fsipr.c;h=3f17686a2a9444ef4c487dda23f0918a279f5a37;hb=9f1245eb9620a70feaa00ba745c6c7a56a839556;hp=971d05bde886c538999503150f2a03e24daab03a;hpb=dafcbfe44361b0d3caa22b15bc95e38ba80af7e6;p=ffmpeg

diff --git a/libavcodec/sipr.c b/libavcodec/sipr.c
index 971d05bde88..3f17686a2a9 100644
--- a/libavcodec/sipr.c
+++ b/libavcodec/sipr.c
@@ -25,11 +25,13 @@
 #include <stdint.h>
 #include <string.h>
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/float_dsp.h"
 #include "libavutil/mathematics.h"
 #include "avcodec.h"
 #define BITSTREAM_READER_LE
 #include "get_bits.h"
-#include "dsputil.h"
+#include "internal.h"
 
 #include "lsp.h"
 #include "acelp_vectors.h"
@@ -42,7 +44,7 @@
 #include "sipr.h"
 #include "siprdata.h"
 
-typedef struct {
+typedef struct SiprModeParam {
     const char *mode_name;
     uint16_t bits_per_frame;
     uint8_t subframe_count;
@@ -238,7 +240,7 @@ static void eval_ir(const float *Az, int pitch_lag, float *freq,
     float tmp1[SUBFR_SIZE+1], tmp2[LP_FILTER_ORDER+1];
     int i;
 
-    tmp1[0] = 1.;
+    tmp1[0] = 1.0;
     for (i = 0; i < LP_FILTER_ORDER; i++) {
         tmp1[i+1] = Az[i] * ff_pow_0_55[i];
         tmp2[i  ] = Az[i] * ff_pow_0_7 [i];
@@ -409,9 +411,10 @@ static void decode_frame(SiprContext *ctx, SiprParameters *params,
         convolute_with_sparse(fixed_vector, &fixed_cb, impulse_response,
                               SUBFR_SIZE);
 
-        avg_energy =
-            (0.01 + ff_scalarproduct_float_c(fixed_vector, fixed_vector, SUBFR_SIZE)) /
-                SUBFR_SIZE;
+        avg_energy = (0.01 + avpriv_scalarproduct_float_c(fixed_vector,
+                                                          fixed_vector,
+                                                          SUBFR_SIZE)) /
+                     SUBFR_SIZE;
 
         ctx->past_pitch_gain = pitch_gain = gain_cb[params->gc_index[i]][0];
 
@@ -452,9 +455,9 @@ static void decode_frame(SiprContext *ctx, SiprParameters *params,
 
     if (ctx->mode == MODE_5k0) {
         for (i = 0; i < subframe_count; i++) {
-            float energy = ff_scalarproduct_float_c(ctx->postfilter_syn5k0 + LP_FILTER_ORDER + i * SUBFR_SIZE,
-                                                    ctx->postfilter_syn5k0 + LP_FILTER_ORDER + i * SUBFR_SIZE,
-                                                    SUBFR_SIZE);
+            float energy = avpriv_scalarproduct_float_c(ctx->postfilter_syn5k0 + LP_FILTER_ORDER + i * SUBFR_SIZE,
+                                                        ctx->postfilter_syn5k0 + LP_FILTER_ORDER + i * SUBFR_SIZE,
+                                                        SUBFR_SIZE);
             ff_adaptive_gain_control(&synth[i * SUBFR_SIZE],
                                      &synth[i * SUBFR_SIZE], energy,
                                      SUBFR_SIZE, 0.9, &ctx->postfilter_agc);
@@ -485,8 +488,13 @@ static av_cold int sipr_decoder_init(AVCodecContext * avctx)
     case 29: ctx->mode = MODE_6k5; break;
     case 37: ctx->mode = MODE_5k0; break;
     default:
-        av_log(avctx, AV_LOG_ERROR, "Invalid block_align: %d\n", avctx->block_align);
-        return AVERROR(EINVAL);
+        if      (avctx->bit_rate > 12200) ctx->mode = MODE_16k;
+        else if (avctx->bit_rate > 7500 ) ctx->mode = MODE_8k5;
+        else if (avctx->bit_rate > 5750 ) ctx->mode = MODE_6k5;
+        else                              ctx->mode = MODE_5k0;
+        av_log(avctx, AV_LOG_WARNING,
+               "Invalid block_align: %d. Mode %s guessed based on bitrate: %d\n",
+               avctx->block_align, modes[ctx->mode].mode_name, avctx->bit_rate);
     }
 
     av_log(avctx, AV_LOG_DEBUG, "Mode: %s\n", modes[ctx->mode].mode_name);
@@ -504,10 +512,9 @@ static av_cold int sipr_decoder_init(AVCodecContext * avctx)
     for (i = 0; i < 4; i++)
         ctx->energy_history[i] = -14;
 
-    avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
-
-    avcodec_get_frame_defaults(&ctx->frame);
-    avctx->coded_frame = &ctx->frame;
+    avctx->channels       = 1;
+    avctx->channel_layout = AV_CH_LAYOUT_MONO;
+    avctx->sample_fmt     = AV_SAMPLE_FMT_FLT;
 
     return 0;
 }
@@ -516,6 +523,7 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
                              int *got_frame_ptr, AVPacket *avpkt)
 {
     SiprContext *ctx = avctx->priv_data;
+    AVFrame *frame   = data;
     const uint8_t *buf=avpkt->data;
     SiprParameters parm;
     const SiprModeParam *mode_par = &modes[ctx->mode];
@@ -533,13 +541,13 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
     }
 
     /* get output buffer */
-    ctx->frame.nb_samples = mode_par->frames_per_packet * subframe_size *
-                            mode_par->subframe_count;
-    if ((ret = avctx->get_buffer(avctx, &ctx->frame)) < 0) {
+    frame->nb_samples = mode_par->frames_per_packet * subframe_size *
+                        mode_par->subframe_count;
+    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }
-    samples = (float *)ctx->frame.data[0];
+    samples = (float *)frame->data[0];
 
     init_get_bits(&gb, buf, mode_par->bits_per_frame);
 
@@ -551,19 +559,18 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
         samples += subframe_size * mode_par->subframe_count;
     }
 
-    *got_frame_ptr   = 1;
-    *(AVFrame *)data = ctx->frame;
+    *got_frame_ptr = 1;
 
     return mode_par->bits_per_frame >> 3;
 }
 
 AVCodec ff_sipr_decoder = {
     .name           = "sipr",
+    .long_name      = NULL_IF_CONFIG_SMALL("RealAudio SIPR / ACELP.NET"),
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = AV_CODEC_ID_SIPR,
     .priv_data_size = sizeof(SiprContext),
     .init           = sipr_decoder_init,
     .decode         = sipr_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("RealAudio SIPR / ACELP.NET"),
+    .capabilities   = AV_CODEC_CAP_DR1,
 };