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authorMark Thompson <[email protected]>2017-11-23 22:44:27 +0000
committerMark Thompson <[email protected]>2018-02-21 23:37:58 +0000
commit9ca79784e9e640829645b0b28201cf9cdfbfc0f4 (patch)
treea6341f074c06c25e4825112483598b319858ff93
parentae2eb04648839bfc6c61c32cb0f124e91bb7ff8e (diff)
lavc/mjpeg: Add profiles for MJPEG using SOF marker codes
This is needed by later hwaccel code to tell which encoding process was used for a particular frame, because hardware decoders may only support a subset of possible methods.
-rw-r--r--libavcodec/avcodec.h6
-rw-r--r--libavcodec/mjpegdec.c7
-rw-r--r--libavcodec/version.h4
-rw-r--r--tests/ref/fate/api-mjpeg-codec-param4
4 files changed, 17 insertions, 4 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index bc0eacd66b..74c7b9dadd 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2918,6 +2918,12 @@ typedef struct AVCodecContext {
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE 3
#define FF_PROFILE_HEVC_REXT 4
+#define FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0
+#define FF_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1
+#define FF_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2
+#define FF_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3
+#define FF_PROFILE_MJPEG_JPEG_LS 0xf7
+
/**
* level
* - encoding: Set by user.
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 5055ee2826..29f99373cc 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -2288,6 +2288,10 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
break;
case SOF0:
case SOF1:
+ if (start_code == SOF0)
+ s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT;
+ else
+ s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT;
s->lossless = 0;
s->ls = 0;
s->progressive = 0;
@@ -2295,6 +2299,7 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
goto fail;
break;
case SOF2:
+ s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT;
s->lossless = 0;
s->ls = 0;
s->progressive = 1;
@@ -2302,6 +2307,7 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
goto fail;
break;
case SOF3:
+ s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_LOSSLESS;
s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
s->lossless = 1;
s->ls = 0;
@@ -2310,6 +2316,7 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
goto fail;
break;
case SOF48:
+ s->avctx->profile = FF_PROFILE_MJPEG_JPEG_LS;
s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
s->lossless = 1;
s->ls = 1;
diff --git a/libavcodec/version.h b/libavcodec/version.h
index d13dd41fa3..d772f3e48e 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,8 +28,8 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 58
-#define LIBAVCODEC_VERSION_MINOR 11
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR 12
+#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
diff --git a/tests/ref/fate/api-mjpeg-codec-param b/tests/ref/fate/api-mjpeg-codec-param
index e5ad2b7656..290f941ff3 100644
--- a/tests/ref/fate/api-mjpeg-codec-param
+++ b/tests/ref/fate/api-mjpeg-codec-param
@@ -81,7 +81,7 @@ stream=0, decode=0
nssew=8
skip_top=0
skip_bottom=0
- profile=-99
+ profile=192
level=-99
lowres=0
skip_threshold=0
@@ -221,7 +221,7 @@ stream=0, decode=1
nssew=8
skip_top=0
skip_bottom=0
- profile=-99
+ profile=192
level=-99
lowres=0
skip_threshold=0