Merge commit '2fd6e7d077f590e4d7195356f9baeb271f8b9ae2'

* commit '2fd6e7d077f590e4d7195356f9baeb271f8b9ae2':
  libavcodec/mjpeg_qsv: Add QSV MJPEG encoder

Merged-by: James Almer <jamrial@gmail.com>

1 files changed, 93 insertions, 2 deletions

diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 5eb506fb76..2bc19f5241 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -345,6 +345,64 @@ static int rc_supported(QSVEncContext *q)
     return 1;
 }
 
+static int init_video_param_jpeg(AVCodecContext *avctx, QSVEncContext *q)
+{
+    enum AVPixelFormat sw_format = avctx->pix_fmt == AV_PIX_FMT_QSV ?
+                                   avctx->sw_pix_fmt : avctx->pix_fmt;
+    const AVPixFmtDescriptor *desc;
+    int ret;
+
+    ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
+    if (ret < 0)
+        return AVERROR_BUG;
+    q->param.mfx.CodecId = ret;
+
+    if (avctx->level > 0)
+        q->param.mfx.CodecLevel = avctx->level;
+    q->param.mfx.CodecProfile       = q->profile;
+
+    desc = av_pix_fmt_desc_get(sw_format);
+    if (!desc)
+        return AVERROR_BUG;
+
+    ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
+
+    q->param.mfx.FrameInfo.CropX          = 0;
+    q->param.mfx.FrameInfo.CropY          = 0;
+    q->param.mfx.FrameInfo.CropW          = avctx->width;
+    q->param.mfx.FrameInfo.CropH          = avctx->height;
+    q->param.mfx.FrameInfo.AspectRatioW   = avctx->sample_aspect_ratio.num;
+    q->param.mfx.FrameInfo.AspectRatioH   = avctx->sample_aspect_ratio.den;
+    q->param.mfx.FrameInfo.ChromaFormat   = MFX_CHROMAFORMAT_YUV420;
+    q->param.mfx.FrameInfo.BitDepthLuma   = desc->comp[0].depth;
+    q->param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
+    q->param.mfx.FrameInfo.Shift          = desc->comp[0].depth > 8;
+
+    q->param.mfx.FrameInfo.Width  = FFALIGN(avctx->width, 16);
+    q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, 16);
+
+    if (avctx->hw_frames_ctx) {
+        AVHWFramesContext *frames_ctx    = (AVHWFramesContext *)avctx->hw_frames_ctx->data;
+        AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
+        q->param.mfx.FrameInfo.Width  = frames_hwctx->surfaces[0].Info.Width;
+        q->param.mfx.FrameInfo.Height = frames_hwctx->surfaces[0].Info.Height;
+    }
+
+    if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
+        q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
+        q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
+    } else {
+        q->param.mfx.FrameInfo.FrameRateExtN  = avctx->time_base.den;
+        q->param.mfx.FrameInfo.FrameRateExtD  = avctx->time_base.num;
+    }
+
+    q->param.mfx.Interleaved          = 1;
+    q->param.mfx.Quality              = av_clip(avctx->global_quality, 1, 100);
+    q->param.mfx.RestartInterval      = 0;
+
+    return 0;
+}
+
 static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
 {
     enum AVPixelFormat sw_format = avctx->pix_fmt == AV_PIX_FMT_QSV ?
@@ -567,6 +625,24 @@ FF_ENABLE_DEPRECATION_WARNINGS
     return 0;
 }
 
+static int qsv_retrieve_enc_jpeg_params(AVCodecContext *avctx, QSVEncContext *q)
+{
+    int ret = 0;
+
+    ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
+    if (ret < 0)
+        return ff_qsv_print_error(avctx, ret,
+                                  "Error calling GetVideoParam");
+
+    q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
+
+    // for qsv mjpeg the return value maybe 0 so alloc the buffer
+    if (q->packet_size == 0)
+        q->packet_size = q->param.mfx.FrameInfo.Height * q->param.mfx.FrameInfo.Width * 4;
+
+    return 0;
+}
+
 static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
 {
     AVCPBProperties *cpb_props;
@@ -760,7 +836,15 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
     if (ret < 0)
         return ret;
 
-    ret = init_video_param(avctx, q);
+    // in the mfxInfoMFX struct, JPEG is different from other codecs
+    switch (avctx->codec_id) {
+    case AV_CODEC_ID_MJPEG:
+        ret = init_video_param_jpeg(avctx, q);
+        break;
+    default:
+        ret = init_video_param(avctx, q);
+        break;
+    }
     if (ret < 0)
         return ret;
 
@@ -820,7 +904,14 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
         ff_qsv_print_warning(avctx, ret,
                              "Warning in encoder initialization");
 
-    ret = qsv_retrieve_enc_params(avctx, q);
+    switch (avctx->codec_id) {
+    case AV_CODEC_ID_MJPEG:
+        ret = qsv_retrieve_enc_jpeg_params(avctx, q);
+        break;
+    default:
+        ret = qsv_retrieve_enc_params(avctx, q);
+        break;
+    }
     if (ret < 0) {
         av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
         return ret;