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vaapi_encode: Check packed header capabilities

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This improves behaviour with drivers which do not support packed
headers, such as AMD VCE on mesa/gallium.
This commit is contained in:
Mark Thompson 2016-09-18 14:59:59 +01:00
parent 80a5d05108
commit 892bbbcdc1
5 changed files with 54 additions and 7 deletions
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36
libavcodec/vaapi_encode.c
View File

@ -237,7 +237,8 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
}
if (pic->type == PICTURE_TYPE_IDR) {
if (ctx->codec->write_sequence_header) {
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
ctx->codec->write_sequence_header) {
bit_len = 8 * sizeof(data);
err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
if (err < 0) {
@ -253,7 +254,8 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
}
}
if (ctx->codec->write_picture_header) {
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_PICTURE &&
ctx->codec->write_picture_header) {
bit_len = 8 * sizeof(data);
err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
if (err < 0) {
@ -289,7 +291,8 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
}
}
if (ctx->codec->write_extra_header) {
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_MISC &&
ctx->codec->write_extra_header) {
for (i = 0;; i++) {
int type;
bit_len = 8 * sizeof(data);
@ -336,7 +339,8 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
}
}
if (ctx->codec->write_slice_header) {
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE &&
ctx->codec->write_slice_header) {
bit_len = 8 * sizeof(data);
err = ctx->codec->write_slice_header(avctx, pic, slice,
data, &bit_len);
@ -930,9 +934,10 @@ static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
VAProfile *profiles = NULL;
VAEntrypoint *entrypoints = NULL;
VAConfigAttrib attr[] = {
{ VAConfigAttribRTFormat },
{ VAConfigAttribRateControl },
{ VAConfigAttribEncMaxRefFrames },
{ VAConfigAttribRTFormat },
{ VAConfigAttribRateControl },
{ VAConfigAttribEncMaxRefFrames },
{ VAConfigAttribEncPackedHeaders },
};
n = vaMaxNumProfiles(ctx->hwctx->display);
@ -1049,6 +1054,23 @@ static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
}
}
break;
case VAConfigAttribEncPackedHeaders:
if (ctx->va_packed_headers & ~attr[i].value) {
// This isn't fatal, but packed headers are always
// preferable because they are under our control.
// When absent, the driver is generating them and some
// features may not work (e.g. VUI or SEI in H.264).
av_log(avctx, AV_LOG_WARNING, "Warning: some packed "
"headers are not supported (want %#x, got %#x).\n",
ctx->va_packed_headers, attr[i].value);
ctx->va_packed_headers &= attr[i].value;
}
ctx->config_attributes[ctx->nb_config_attributes++] =
(VAConfigAttrib) {
.type = VAConfigAttribEncPackedHeaders,
.value = ctx->va_packed_headers,
};
break;
default:
av_assert0(0 && "Unexpected config attribute.");
}

3
libavcodec/vaapi_encode.h
View File

@ -101,6 +101,9 @@ typedef struct VAAPIEncodeContext {
unsigned int va_rt_format;
// Rate control mode.
unsigned int va_rc_mode;
// Supported packed headers (initially the desired set, modified
// later to what is actually supported).
unsigned int va_packed_headers;
// The required size of surfaces. This is probably the input
// size (AVCodecContext.width|height) aligned up to whatever

4
libavcodec/vaapi_encode_h264.c
View File

@ -1221,6 +1221,10 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
else
ctx->va_rc_mode = VA_RC_CQP;
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
VA_ENC_PACKED_HEADER_MISC; // SEI.
ctx->surface_width = FFALIGN(avctx->width, 16);
ctx->surface_height = FFALIGN(avctx->height, 16);

3
libavcodec/vaapi_encode_h265.c
View File

@ -1251,6 +1251,9 @@ static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
else
ctx->va_rc_mode = VA_RC_CQP;
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
VA_ENC_PACKED_HEADER_SLICE; // Slice headers.
ctx->surface_width = FFALIGN(avctx->width, 16);
ctx->surface_height = FFALIGN(avctx->height, 16);

15
libavcodec/vaapi_encode_mjpeg.c
View File

@ -345,6 +345,17 @@ static av_cold int vaapi_encode_mjpeg_configure(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
// Hack: the implementation calls the JPEG image header (which we
// will use in the same way as a slice header) generic "raw data".
// Therefore, if after the packed header capability check we have
// PACKED_HEADER_RAW_DATA available, rewrite it as
// PACKED_HEADER_SLICE so that the header-writing code can do the
// right thing.
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_RAW_DATA) {
ctx->va_packed_headers &= ~VA_ENC_PACKED_HEADER_RAW_DATA;
ctx->va_packed_headers |= VA_ENC_PACKED_HEADER_SLICE;
}
vaapi_encode_mjpeg_init_tables(avctx);
return 0;
@ -380,6 +391,10 @@ static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx)
ctx->va_rc_mode = VA_RC_CQP;
// The JPEG image header - see note above.
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_RAW_DATA;
ctx->surface_width = FFALIGN(avctx->width, 8);
ctx->surface_height = FFALIGN(avctx->height, 8);