Make strmatch() return 1 only if the string compared against the

[ffmpeg] / libavcodec / aacenc.c

diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index ec8f8e76e67b6e709f985409b34dc7b4c2963551..1646489515a571bd8f9ec189da3c22f073d0b7a4 100644 (file)
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -302,7 +302,7 @@ static void encode_ms_info(PutBitContext *pb, ChannelElement *cpe)
 static void adjust_frame_information(AACEncContext *apc, ChannelElement *cpe, int chans)
 {
     int i, w, w2, g, ch;
-    int start, sum, maxsfb, cmaxsfb;
+    int start, maxsfb, cmaxsfb;
 
     for (ch = 0; ch < chans; ch++) {
         IndividualChannelStream *ics = &cpe->ch[ch].ics;
@@ -311,9 +311,8 @@ static void adjust_frame_information(AACEncContext *apc, ChannelElement *cpe, in
         cpe->ch[ch].pulse.num_pulse = 0;
         for (w = 0; w < ics->num_windows*16; w += 16) {
             for (g = 0; g < ics->num_swb; g++) {
-                sum = 0;
                 //apply M/S
-                if (!ch && cpe->ms_mask[w + g]) {
+                if (cpe->common_window && !ch && cpe->ms_mask[w + g]) {
                     for (i = 0; i < ics->swb_sizes[g]; i++) {
                         cpe->ch[0].coeffs[start+i] = (cpe->ch[0].coeffs[start+i] + cpe->ch[1].coeffs[start+i]) / 2.0;
                         cpe->ch[1].coeffs[start+i] =  cpe->ch[0].coeffs[start+i] - cpe->ch[1].coeffs[start+i];
@@ -517,20 +516,21 @@ static int aac_encode_frame(AVCodecContext *avctx,
         tag      = chan_map[i+1];
         chans    = tag == TYPE_CPE ? 2 : 1;
         cpe      = &s->cpe[i];
-        samples2 = samples + start_ch;
-        la       = samples2 + (448+64) * avctx->channels + start_ch;
-        if (!data)
-            la = NULL;
         for (j = 0; j < chans; j++) {
             IndividualChannelStream *ics = &cpe->ch[j].ics;
             int k;
+            int cur_channel = start_ch + j;
+            samples2 = samples + cur_channel;
+            la       = samples2 + (448+64) * avctx->channels;
+            if (!data)
+                la = NULL;
             if (tag == TYPE_LFE) {
                 wi[j].window_type[0] = ONLY_LONG_SEQUENCE;
                 wi[j].window_shape   = 0;
                 wi[j].num_windows    = 1;
                 wi[j].grouping[0]    = 1;
             } else {
-                wi[j] = ff_psy_suggest_window(&s->psy, samples2, la, start_ch + j,
+                wi[j] = ff_psy_suggest_window(&s->psy, samples2, la, cur_channel,
                                               ics->window_sequence[0]);
             }
             ics->window_sequence[1] = ics->window_sequence[0];
@@ -543,8 +543,7 @@ static int aac_encode_frame(AVCodecContext *avctx,
             for (k = 0; k < ics->num_windows; k++)
                 ics->group_len[k] = wi[j].grouping[k];
 
-            s->cur_channel = start_ch + j;
-            apply_window_and_mdct(avctx, s, &cpe->ch[j], samples2 + j);
+            apply_window_and_mdct(avctx, s, &cpe->ch[j], samples2);
         }
         start_ch += chans;
     }
@@ -560,6 +559,8 @@ static int aac_encode_frame(AVCodecContext *avctx,
             tag      = chan_map[i+1];
             chans    = tag == TYPE_CPE ? 2 : 1;
             cpe      = &s->cpe[i];
+            put_bits(&s->pb, 3, tag);
+            put_bits(&s->pb, 4, chan_el_counter[tag]++);
             for (j = 0; j < chans; j++) {
                 s->cur_channel = start_ch + j;
                 ff_psy_set_band_info(&s->psy, s->cur_channel, cpe->ch[j].coeffs, &wi[j]);
@@ -582,8 +583,6 @@ static int aac_encode_frame(AVCodecContext *avctx,
             if (cpe->common_window && s->coder->search_for_ms)
                 s->coder->search_for_ms(s, cpe, s->lambda);
             adjust_frame_information(s, cpe, chans);
-            put_bits(&s->pb, 3, tag);
-            put_bits(&s->pb, 4, chan_el_counter[tag]++);
             if (chans == 2) {
                 put_bits(&s->pb, 1, cpe->common_window);
                 if (cpe->common_window) {