avcodec: estimate output bitrate for uncompressed video codecs
authorTobias Rapp <t.rapp@noa-archive.com>
Mon, 6 Mar 2017 07:53:28 +0000 (08:53 +0100)
committerTobias Rapp <t.rapp@noa-archive.com>
Fri, 17 Mar 2017 10:55:16 +0000 (11:55 +0100)
Allows to get a more realistic total bitrate (and estimated file size)
in avi_write_header. Previously a static default value of 200k was
assumed.

Adds an internal helper function for bitrate guessing.

Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
49 files changed:
libavcodec/internal.h
libavcodec/r210enc.c
libavcodec/rawenc.c
libavcodec/utils.c
libavcodec/v210enc.c
libavcodec/v308enc.c
libavcodec/v408enc.c
libavcodec/v410enc.c
libavcodec/y41penc.c
tests/ref/fate/v410enc
tests/ref/vsynth/vsynth1-bpp1
tests/ref/vsynth/vsynth1-bpp15
tests/ref/vsynth/vsynth1-r210
tests/ref/vsynth/vsynth1-rgb
tests/ref/vsynth/vsynth1-v210
tests/ref/vsynth/vsynth1-v210-10
tests/ref/vsynth/vsynth1-v308
tests/ref/vsynth/vsynth1-v408
tests/ref/vsynth/vsynth1-y41p
tests/ref/vsynth/vsynth1-yuv
tests/ref/vsynth/vsynth2-bpp1
tests/ref/vsynth/vsynth2-bpp15
tests/ref/vsynth/vsynth2-r210
tests/ref/vsynth/vsynth2-rgb
tests/ref/vsynth/vsynth2-v210
tests/ref/vsynth/vsynth2-v210-10
tests/ref/vsynth/vsynth2-v308
tests/ref/vsynth/vsynth2-v408
tests/ref/vsynth/vsynth2-y41p
tests/ref/vsynth/vsynth2-yuv
tests/ref/vsynth/vsynth3-bpp1
tests/ref/vsynth/vsynth3-bpp15
tests/ref/vsynth/vsynth3-r210
tests/ref/vsynth/vsynth3-rgb
tests/ref/vsynth/vsynth3-v210
tests/ref/vsynth/vsynth3-v210-10
tests/ref/vsynth/vsynth3-v308
tests/ref/vsynth/vsynth3-v408
tests/ref/vsynth/vsynth3-yuv
tests/ref/vsynth/vsynth_lena-bpp1
tests/ref/vsynth/vsynth_lena-bpp15
tests/ref/vsynth/vsynth_lena-r210
tests/ref/vsynth/vsynth_lena-rgb
tests/ref/vsynth/vsynth_lena-v210
tests/ref/vsynth/vsynth_lena-v210-10
tests/ref/vsynth/vsynth_lena-v308
tests/ref/vsynth/vsynth_lena-v408
tests/ref/vsynth/vsynth_lena-y41p
tests/ref/vsynth/vsynth_lena-yuv

index 6e93eeb..e5f132a 100644 (file)
@@ -363,4 +363,10 @@ int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, i
 int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
                      void **data, size_t *sei_size);
 
+/**
+ * Get an estimated video bitrate based on frame size, frame rate and coded
+ * bits per pixel.
+ */
+int64_t ff_guess_coded_bitrate(AVCodecContext *avctx);
+
 #endif /* AVCODEC_INTERNAL_H */
index 65b3c06..a55e543 100644 (file)
 #include "internal.h"
 #include "bytestream.h"
 
+static av_cold int encode_init(AVCodecContext *avctx)
+{
+    int aligned_width = FFALIGN(avctx->width,
+                                avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
+
+    avctx->bits_per_coded_sample = 32;
+    if (avctx->width > 0)
+        avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width;
+
+    return 0;
+}
+
 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                         const AVFrame *pic, int *got_packet)
 {
@@ -73,6 +85,7 @@ AVCodec ff_r210_encoder = {
     .long_name      = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_R210,
+    .init           = encode_init,
     .encode2        = encode_frame,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
     .capabilities   = AV_CODEC_CAP_INTRA_ONLY,
@@ -84,6 +97,7 @@ AVCodec ff_r10k_encoder = {
     .long_name      = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_R10K,
+    .init           = encode_init,
     .encode2        = encode_frame,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
     .capabilities   = AV_CODEC_CAP_INTRA_ONLY,
@@ -95,6 +109,7 @@ AVCodec ff_avrp_encoder = {
     .long_name      = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_AVRP,
+    .init           = encode_init,
     .encode2        = encode_frame,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
     .capabilities   = AV_CODEC_CAP_INTRA_ONLY,
index a2d5ccc..d181b74 100644 (file)
@@ -44,6 +44,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
     avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc);
     if(!avctx->codec_tag)
         avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx);
+
     return 0;
 }
 
index 6f7b2e7..63a6349 100644 (file)
@@ -4343,3 +4343,24 @@ int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
 
     return 0;
 }
+
+int64_t ff_guess_coded_bitrate(AVCodecContext *avctx)
+{
+    AVRational framerate = avctx->framerate;
+    int bits_per_coded_sample = avctx->bits_per_coded_sample;
+    int64_t bitrate;
+
+    if (!(framerate.num && framerate.den))
+        framerate = av_inv_q(avctx->time_base);
+    if (!(framerate.num && framerate.den))
+        return 0;
+
+    if (!bits_per_coded_sample) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+        bits_per_coded_sample = av_get_bits_per_pixel(desc);
+    }
+    bitrate = (int64_t)bits_per_coded_sample * avctx->width * avctx->height *
+              framerate.num / framerate.den;
+
+    return bitrate;
+}
index d3a8e26..a6afbbf 100644 (file)
@@ -110,6 +110,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     ff_v210enc_init(s);
 
+    avctx->bits_per_coded_sample = 20;
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
+
     return 0;
 }
 
index b60a72c..e88f1f4 100644 (file)
@@ -31,6 +31,9 @@ static av_cold int v308_encode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
+    avctx->bits_per_coded_sample = 24;
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx);
+
     return 0;
 }
 
index f37f360..e12965b 100644 (file)
@@ -26,6 +26,8 @@
 
 static av_cold int v408_encode_init(AVCodecContext *avctx)
 {
+    avctx->bits_per_coded_sample = 32;
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx);
 
     return 0;
 }
index f35ff75..5e24502 100644 (file)
@@ -32,6 +32,9 @@ static av_cold int v410_encode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
+    avctx->bits_per_coded_sample = 32;
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx);
+
     return 0;
 }
 
index 94acc34..ca94a3c 100644 (file)
@@ -31,6 +31,7 @@ static av_cold int y41p_encode_init(AVCodecContext *avctx)
     }
 
     avctx->bits_per_coded_sample = 12;
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx);
 
     return 0;
 }
index b2c728e..139da7b 100644 (file)
@@ -1 +1 @@
-f7cf1b743c18f74d047ce8d6ea05d3d9
+5fd2d9a7b3311f5c19dbdd647bb9eae6
index af1fb0e..b647ba0 100644 (file)
@@ -1,4 +1,4 @@
-a0b35707a9aa7144e3e1c70c1d01f4ce *tests/data/fate/vsynth1-bpp1.avi
+1c78e77c971b1ce31f229c6fc23d0902 *tests/data/fate/vsynth1-bpp1.avi
 640460 tests/data/fate/vsynth1-bpp1.avi
 cd1e1448d9895561347ceb66d0add34d *tests/data/fate/vsynth1-bpp1.out.rawvideo
 stddev:   84.48 PSNR:  9.60 MAXDIFF:  218 bytes:  7603200/  7603200
index 8553838..d687b96 100644 (file)
@@ -1,4 +1,4 @@
-dc37d1db0429f44000a03a60862751cd *tests/data/fate/vsynth1-bpp15.avi
+6147f5f235657fa9ced6ec6146be6ff0 *tests/data/fate/vsynth1-bpp15.avi
 10144452 tests/data/fate/vsynth1-bpp15.avi
 3aee2d6e82a9507d7f01844c04d2b57b *tests/data/fate/vsynth1-bpp15.out.rawvideo
 stddev:   38.44 PSNR: 16.43 MAXDIFF:  159 bytes:  7603200/  7603200
index e25b1de..825e1d4 100644 (file)
@@ -1,4 +1,4 @@
-fd2bb8b3d3e47f5ea7769443324ee0ae *tests/data/fate/vsynth1-r210.avi
+1ea72f280b110ed65fc535c3438d27f9 *tests/data/fate/vsynth1-r210.avi
 22125252 tests/data/fate/vsynth1-r210.avi
 ecaafa9eec11b5e1453a63ed6d194eed *tests/data/fate/vsynth1-r210.out.rawvideo
 stddev:    3.23 PSNR: 37.94 MAXDIFF:   48 bytes:  7603200/  7603200
index 0a3947c..6d9629b 100644 (file)
@@ -1,4 +1,4 @@
-c8a4b8648436e73ced7fe32f6f65a1b3 *tests/data/fate/vsynth1-rgb.avi
+9d2bd1fa569a803c41b5dc5dd03f088e *tests/data/fate/vsynth1-rgb.avi
 15213252 tests/data/fate/vsynth1-rgb.avi
 93695a27c24a61105076ca7b1f010bbd *tests/data/fate/vsynth1-rgb.out.rawvideo
 stddev:    3.42 PSNR: 37.44 MAXDIFF:   48 bytes:  7603200/  7603200
index 388e8b6..1b69da4 100644 (file)
@@ -1,4 +1,4 @@
-0712d60b3a00cf2d5a7e39aa21e2547a *tests/data/fate/vsynth1-v210.avi
+767471c71d60daf46ca3a758771c4f8e *tests/data/fate/vsynth1-v210.avi
 14752452 tests/data/fate/vsynth1-v210.avi
 2ba7f4ca302f3c4147860b9dfb12b6e4 *tests/data/fate/vsynth1-v210.out.rawvideo
 stddev:    1.84 PSNR: 42.81 MAXDIFF:   29 bytes:  7603200/  7603200
index 4621b9d..f459cfa 100644 (file)
@@ -1,4 +1,4 @@
-230bbd31c82d4fbb92d5ea2ac591ded5 *tests/data/fate/vsynth1-v210-10.avi
+9269ce2a5294a4c9a8346328d06b23af *tests/data/fate/vsynth1-v210-10.avi
 14752452 tests/data/fate/vsynth1-v210-10.avi
 50973792d3f1abe04a51ee0121f077f2 *tests/data/fate/vsynth1-v210-10.out.rawvideo
 stddev:    1.85 PSNR: 42.78 MAXDIFF:   29 bytes:  7603200/  7603200
index 9eb2911..162624e 100644 (file)
@@ -1,4 +1,4 @@
-58ea26d3060f9d47cf95056ed9361c90 *tests/data/fate/vsynth1-v308.avi
+5d868b73c554a9a2422d6c8a18ce9c02 *tests/data/fate/vsynth1-v308.avi
 15213252 tests/data/fate/vsynth1-v308.avi
 10fb42f1abf40a289c3edafc0390482c *tests/data/fate/vsynth1-v308.out.rawvideo
 stddev:    2.67 PSNR: 39.60 MAXDIFF:   43 bytes:  7603200/  7603200
index bf16cbd..5d5f816 100644 (file)
@@ -1,4 +1,4 @@
-4ac68e91ac25bc422abb3febe86a4acd *tests/data/fate/vsynth1-v408.avi
+4e977bec707cda2b09edb717805cb960 *tests/data/fate/vsynth1-v408.avi
 20282052 tests/data/fate/vsynth1-v408.avi
 c5ccac874dbf808e9088bc3107860042 *tests/data/fate/vsynth1-v408.out.rawvideo
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200
index cb4c001..84e790b 100644 (file)
@@ -1,4 +1,4 @@
-862ffddd90c82163d2505031e5bbcd9a *tests/data/fate/vsynth1-y41p.avi
+7355fc7614e1ba50d364fc13af5fc3e1 *tests/data/fate/vsynth1-y41p.avi
 7610052 tests/data/fate/vsynth1-y41p.avi
 3aef1d83732a3f9835ee2523a11c95c1 *tests/data/fate/vsynth1-y41p.out.rawvideo
 stddev:    5.98 PSNR: 32.59 MAXDIFF:   87 bytes:  7603200/  7603200
index 8498d68..9f73c6f 100644 (file)
@@ -1,4 +1,4 @@
-2b930d809c19e8d50eb4c92474085c27 *tests/data/fate/vsynth1-yuv.avi
+795ce63f1fe371b98822b1cb385b062f *tests/data/fate/vsynth1-yuv.avi
 7610052 tests/data/fate/vsynth1-yuv.avi
 c5ccac874dbf808e9088bc3107860042 *tests/data/fate/vsynth1-yuv.out.rawvideo
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200
index 4005755..3b512e9 100644 (file)
@@ -1,4 +1,4 @@
-a0330430d7dbd76cbd6d099b778397e8 *tests/data/fate/vsynth2-bpp1.avi
+22664dc7e6cefc580b1456502c46eb10 *tests/data/fate/vsynth2-bpp1.avi
 640460 tests/data/fate/vsynth2-bpp1.avi
 f0dfc0e87e5d96bce29a5944b1bd7471 *tests/data/fate/vsynth2-bpp1.out.rawvideo
 stddev:   68.98 PSNR: 11.36 MAXDIFF:  218 bytes:  7603200/  7603200
index 153b21e..9236c25 100644 (file)
@@ -1,4 +1,4 @@
-4bf0992de6b40389a35cd744f76bb213 *tests/data/fate/vsynth2-bpp15.avi
+1760b76ddf1df0092333434f1a97407b *tests/data/fate/vsynth2-bpp15.avi
 10144452 tests/data/fate/vsynth2-bpp15.avi
 9a40133384e3f22c960d70c8cfe51781 *tests/data/fate/vsynth2-bpp15.out.rawvideo
 stddev:   33.97 PSNR: 17.51 MAXDIFF:  154 bytes:  7603200/  7603200
index 3e19ef8..dc5ff18 100644 (file)
@@ -1,4 +1,4 @@
-50e82830a941457a3cade01394e34dd0 *tests/data/fate/vsynth2-r210.avi
+2f928096d892ce0239832afc369e117c *tests/data/fate/vsynth2-r210.avi
 22125252 tests/data/fate/vsynth2-r210.avi
 2ade5f6167d7a4a1589e168ddbbc35d0 *tests/data/fate/vsynth2-r210.out.rawvideo
 stddev:    1.17 PSNR: 46.71 MAXDIFF:   15 bytes:  7603200/  7603200
index 93fe634..6d44b25 100644 (file)
@@ -1,4 +1,4 @@
-707159e45a20b22d383e71d3e5960753 *tests/data/fate/vsynth2-rgb.avi
+3f8f04636aa027d1fc8245b08c7a8414 *tests/data/fate/vsynth2-rgb.avi
 15213252 tests/data/fate/vsynth2-rgb.avi
 32fae3e665407bb4317b3f90fedb903c *tests/data/fate/vsynth2-rgb.out.rawvideo
 stddev:    1.54 PSNR: 44.37 MAXDIFF:   17 bytes:  7603200/  7603200
index cc72bb2..3bd4598 100644 (file)
@@ -1,4 +1,4 @@
-211a901d7e6327cc7a48a80250acf4f8 *tests/data/fate/vsynth2-v210.avi
+7a4f5840860ae0bec0c354025b488118 *tests/data/fate/vsynth2-v210.avi
 14752452 tests/data/fate/vsynth2-v210.avi
 99e367a50da75c2c187230889bee8e2e *tests/data/fate/vsynth2-v210.out.rawvideo
 stddev:    0.40 PSNR: 56.06 MAXDIFF:    9 bytes:  7603200/  7603200
index db38b2f..4e973aa 100644 (file)
@@ -1,4 +1,4 @@
-02a5d983deb4bc91bb273c2b26c3100f *tests/data/fate/vsynth2-v210-10.avi
+d078cb3cbbbc022ed7c5c448026b050a *tests/data/fate/vsynth2-v210-10.avi
 14752452 tests/data/fate/vsynth2-v210-10.avi
 8bb1c449e1a2a94fd0d98841c04246bb *tests/data/fate/vsynth2-v210-10.out.rawvideo
 stddev:    0.39 PSNR: 56.17 MAXDIFF:    9 bytes:  7603200/  7603200
index f1fee2d..cc36d8a 100644 (file)
@@ -1,4 +1,4 @@
-a07c9e12508dec90a414a4a6119c5ae4 *tests/data/fate/vsynth2-v308.avi
+866fb5095976d62279c402023526d7a9 *tests/data/fate/vsynth2-v308.avi
 15213252 tests/data/fate/vsynth2-v308.avi
 8394327c14ef0b6fbaae3b69fcc5572a *tests/data/fate/vsynth2-v308.out.rawvideo
 stddev:    0.50 PSNR: 54.10 MAXDIFF:   13 bytes:  7603200/  7603200
index 808135f..688e4e4 100644 (file)
@@ -1,4 +1,4 @@
-01612752a44782cd99bf6399875d313c *tests/data/fate/vsynth2-v408.avi
+a9b25bf6f9559cdbe795913cc69d5c0f *tests/data/fate/vsynth2-v408.avi
 20282052 tests/data/fate/vsynth2-v408.avi
 36d7ca943916e1743cefa609eba0205c *tests/data/fate/vsynth2-v408.out.rawvideo
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200
index e40a0f3..164a845 100644 (file)
@@ -1,4 +1,4 @@
-34425303a27433cfa2cf077258c21c68 *tests/data/fate/vsynth2-y41p.avi
+4eda6db518001a8f2bbb2ec4b414b05a *tests/data/fate/vsynth2-y41p.avi
 7610052 tests/data/fate/vsynth2-y41p.avi
 7c760febffcf1c2e43e494f38b010af1 *tests/data/fate/vsynth2-y41p.out.rawvideo
 stddev:    1.32 PSNR: 45.72 MAXDIFF:   34 bytes:  7603200/  7603200
index 08c9593..7199968 100644 (file)
@@ -1,4 +1,4 @@
-3d7ecff63ce4863a3d299ff82d910d78 *tests/data/fate/vsynth2-yuv.avi
+5eda550fac21e8913cbb2c88e4f0791a *tests/data/fate/vsynth2-yuv.avi
 7610052 tests/data/fate/vsynth2-yuv.avi
 36d7ca943916e1743cefa609eba0205c *tests/data/fate/vsynth2-yuv.out.rawvideo
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200
index 3c8c47a..639a2b1 100644 (file)
@@ -1,4 +1,4 @@
-4c8777a88a9e52b99d5a345acffcbf06 *tests/data/fate/vsynth3-bpp1.avi
+7eafab02a501b3b0ac9f854cd334f47a *tests/data/fate/vsynth3-bpp1.avi
 20460 tests/data/fate/vsynth3-bpp1.avi
 52ae74ef7910e5b603c12288d425b9ae *tests/data/fate/vsynth3-bpp1.out.rawvideo
 stddev:   84.76 PSNR:  9.57 MAXDIFF:  232 bytes:    86700/    86700
index fff8037..fe67e1a 100644 (file)
@@ -1,4 +1,4 @@
-9ac236c12757cbf9ee6f95c24a374524 *tests/data/fate/vsynth3-bpp15.avi
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index cdbdb28..75c424c 100644 (file)
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index 658f90c..f5282ee 100644 (file)
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index 1a664af..46fe24d 100644 (file)
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index 347d475..b823c7b 100644 (file)
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index 2da09e1..b64f7d8 100644 (file)
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index aa2cf2f..ceeb105 100644 (file)
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index 3489989..a377255 100644 (file)
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index 96dbf6d..65bff0b 100644 (file)
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index 3ed30ff..8fd1a66 100644 (file)
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index 9706ffb..f3d232e 100644 (file)
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index ef5020b..549bf43 100644 (file)
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index 1e5732b..9541b57 100644 (file)
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index 6de15b5..81766df 100644 (file)
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 15213252 tests/data/fate/vsynth_lena-v308.avi
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index ba19e28..2c67dcd 100644 (file)
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index 9cc0957..325d752 100644 (file)
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index bc27dcf..645ef8b 100644 (file)
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