hevc: store the escaped/raw bitstream in HEVCNAL

[ffmpeg] / libavcodec / mlp_parser.c

diff --git a/libavcodec/mlp_parser.c b/libavcodec/mlp_parser.c
index e0fedeb7e9503deed154724fd99f1d864d4d56da..075227f302dbbdb1ec9e0294006617bc2109f7fc 100644 (file)
--- a/libavcodec/mlp_parser.c
+++ b/libavcodec/mlp_parser.c
@@ -26,8 +26,9 @@
 
 #include <stdint.h>
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/internal.h"
 #include "get_bits.h"
 #include "parser.h"
 #include "mlp_parser.h"
@@ -79,14 +80,14 @@ static const uint64_t thd_layout[13] = {
     AV_CH_LOW_FREQUENCY,                                    // LFE
     AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRs
     AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT,             // LRvh
-    AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRc
+    AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER, // LRc
     AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,                       // LRrs
     AV_CH_BACK_CENTER,                                      // Cs
-    AV_CH_TOP_BACK_CENTER,                                  // Ts
-    AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRsd
-    AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER, // LRw
-    AV_CH_TOP_BACK_CENTER,                                  // Cvh
-    AV_CH_LOW_FREQUENCY                                     // LFE2
+    AV_CH_TOP_CENTER,                                       // Ts
+    AV_CH_SURROUND_DIRECT_LEFT|AV_CH_SURROUND_DIRECT_RIGHT, // LRsd
+    AV_CH_WIDE_LEFT|AV_CH_WIDE_RIGHT,                       // LRw
+    AV_CH_TOP_FRONT_CENTER,                                 // Cvh
+    AV_CH_LOW_FREQUENCY_2,                                  // LFE2
 };
 
 static int mlp_samplerate(int in)
@@ -109,7 +110,8 @@ static int truehd_channels(int chanmap)
 
 static uint64_t truehd_layout(int chanmap)
 {
-    int layout = 0, i;
+    int i;
+    uint64_t layout = 0;
 
     for (i = 0; i < 13; i++)
         layout |= thd_layout[i] * ((chanmap >> i) & 1);
@@ -125,7 +127,7 @@ static uint64_t truehd_layout(int chanmap)
 
 int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb)
 {
-    int ratebits;
+    int ratebits, channel_arrangement;
     uint16_t checksum;
 
     assert(get_bits_count(gb) == 0);
@@ -156,7 +158,9 @@ int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb)
 
         skip_bits(gb, 11);
 
-        mh->channels_mlp = get_bits(gb, 5);
+        channel_arrangement    = get_bits(gb, 5);
+        mh->channels_mlp       = mlp_channels[channel_arrangement];
+        mh->channel_layout_mlp = mlp_layout[channel_arrangement];
     } else if (mh->stream_type == 0xba) {
         mh->group1_bits = 24; // TODO: Is this information actually conveyed anywhere?
         mh->group2_bits = 0;
@@ -165,13 +169,20 @@ int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb)
         mh->group1_samplerate = mlp_samplerate(ratebits);
         mh->group2_samplerate = 0;
 
-        skip_bits(gb, 8);
+        skip_bits(gb, 4);
 
-        mh->channels_thd_stream1 = get_bits(gb, 5);
+        mh->channel_modifier_thd_stream0 = get_bits(gb, 2);
+        mh->channel_modifier_thd_stream1 = get_bits(gb, 2);
 
-        skip_bits(gb, 2);
+        channel_arrangement            = get_bits(gb, 5);
+        mh->channels_thd_stream1       = truehd_channels(channel_arrangement);
+        mh->channel_layout_thd_stream1 = truehd_layout(channel_arrangement);
 
-        mh->channels_thd_stream2 = get_bits(gb, 13);
+        mh->channel_modifier_thd_stream2 = get_bits(gb, 2);
+
+        channel_arrangement            = get_bits(gb, 13);
+        mh->channels_thd_stream2       = truehd_channels(channel_arrangement);
+        mh->channel_layout_thd_stream2 = truehd_layout(channel_arrangement);
     } else
         return AVERROR_INVALIDDATA;
 
@@ -311,20 +322,59 @@ static int mlp_parse(AVCodecParserContext *s,
         else
             avctx->sample_fmt = AV_SAMPLE_FMT_S16;
         avctx->sample_rate = mh.group1_samplerate;
-        avctx->frame_size = mh.access_unit_size;
+        s->duration = mh.access_unit_size;
 
         if (mh.stream_type == 0xbb) {
             /* MLP stream */
-            avctx->channels = mlp_channels[mh.channels_mlp];
-            avctx->channel_layout = mlp_layout[mh.channels_mlp];
+#if FF_API_REQUEST_CHANNELS
+FF_DISABLE_DEPRECATION_WARNINGS
+            if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
+                mh.num_substreams > 1) {
+                avctx->channels       = 2;
+                avctx->channel_layout = AV_CH_LAYOUT_STEREO;
+            } else
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+            if (avctx->request_channel_layout &&
+                (avctx->request_channel_layout & AV_CH_LAYOUT_STEREO) ==
+                avctx->request_channel_layout &&
+                mh.num_substreams > 1) {
+                avctx->channels       = 2;
+                avctx->channel_layout = AV_CH_LAYOUT_STEREO;
+            } else {
+                avctx->channels       = mh.channels_mlp;
+                avctx->channel_layout = mh.channel_layout_mlp;
+            }
         } else { /* mh.stream_type == 0xba */
             /* TrueHD stream */
-            if (mh.channels_thd_stream2) {
-                avctx->channels = truehd_channels(mh.channels_thd_stream2);
-                avctx->channel_layout = truehd_layout(mh.channels_thd_stream2);
+#if FF_API_REQUEST_CHANNELS
+FF_DISABLE_DEPRECATION_WARNINGS
+            if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
+                mh.num_substreams > 1) {
+                avctx->channels       = 2;
+                avctx->channel_layout = AV_CH_LAYOUT_STEREO;
+            } else if (avctx->request_channels > 0 &&
+                       avctx->request_channels <= mh.channels_thd_stream1) {
+                avctx->channels       = mh.channels_thd_stream1;
+                avctx->channel_layout = mh.channel_layout_thd_stream1;
+            } else
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+                if (avctx->request_channel_layout &&
+                    (avctx->request_channel_layout & AV_CH_LAYOUT_STEREO) ==
+                    avctx->request_channel_layout &&
+                    mh.num_substreams > 1) {
+                avctx->channels       = 2;
+                avctx->channel_layout = AV_CH_LAYOUT_STEREO;
+            } else if (!mh.channels_thd_stream2 ||
+                       (avctx->request_channel_layout &&
+                        (avctx->request_channel_layout & mh.channel_layout_thd_stream1) ==
+                        avctx->request_channel_layout)) {
+                avctx->channels       = mh.channels_thd_stream1;
+                avctx->channel_layout = mh.channel_layout_thd_stream1;
             } else {
-                avctx->channels = truehd_channels(mh.channels_thd_stream1);
-                avctx->channel_layout = truehd_layout(mh.channels_thd_stream1);
+                avctx->channels       = mh.channels_thd_stream2;
+                avctx->channel_layout = mh.channel_layout_thd_stream2;
             }
         }
 
@@ -345,7 +395,7 @@ lost_sync:
 }
 
 AVCodecParser ff_mlp_parser = {
-    .codec_ids      = { CODEC_ID_MLP, CODEC_ID_TRUEHD },
+    .codec_ids      = { AV_CODEC_ID_MLP, AV_CODEC_ID_TRUEHD },
     .priv_data_size = sizeof(MLPParseContext),
     .parser_init    = mlp_init,
     .parser_parse   = mlp_parse,