Message ID | 20180607234331.32139-20-sw@jkqxz.net |
---|---|
State | Superseded |
Headers | show |
On Fri, 2018-06-08 at 00:43 +0100, Mark Thompson wrote: > Add a larger warning more clearly explaining the consequences of missing > packed header support in the driver. Also only write the extradata if the > user actually requests it via the GLOBAL_HEADER flag. > --- > libavcodec/vaapi_encode.c | 118 +++++++++++++++++++++---------------- > --- > libavcodec/vaapi_encode.h | 7 ++- > libavcodec/vaapi_encode_h264.c | 2 +- > libavcodec/vaapi_encode_h265.c | 2 +- > libavcodec/vaapi_encode_mjpeg.c | 2 +- > libavcodec/vaapi_encode_mpeg2.c | 4 +- > libavcodec/vaapi_encode_vp8.c | 6 +- > libavcodec/vaapi_encode_vp9.c | 6 +- > 8 files changed, 79 insertions(+), 68 deletions(-) > > diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c > index af9224c98f..14d1846ea3 100644 > --- a/libavcodec/vaapi_encode.c > +++ b/libavcodec/vaapi_encode.c > @@ -1210,60 +1210,6 @@ fail: > return err; > } > > -static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx) > -{ > - VAAPIEncodeContext *ctx = avctx->priv_data; > - VAStatus vas; > - int i; > - > - VAConfigAttrib attr[] = { > - { VAConfigAttribEncPackedHeaders }, > - }; > - > - vas = vaGetConfigAttributes(ctx->hwctx->display, > - ctx->va_profile, ctx->va_entrypoint, > - attr, FF_ARRAY_ELEMS(attr)); > - if (vas != VA_STATUS_SUCCESS) { > - av_log(avctx, AV_LOG_ERROR, "Failed to fetch config " > - "attributes: %d (%s).\n", vas, vaErrorStr(vas)); > - return AVERROR(EINVAL); > - } > - > - for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) { > - if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) { > - // Unfortunately we have to treat this as "don't know" and hope > - // for the best, because the Intel MJPEG encoder returns this > - // for all the interesting attributes. > - av_log(avctx, AV_LOG_DEBUG, "Attribute (%d) is not supported.\n", > - attr[i].type); > - continue; > - } > - switch (attr[i].type) { > - 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."); > - } > - } > - > - return 0; > -} > - > static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) > { > VAAPIEncodeContext *ctx = avctx->priv_data; > @@ -1494,6 +1440,65 @@ static av_cold int > vaapi_encode_init_gop_structure(AVCodecContext *avctx) > return 0; > } > > +static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx) > +{ > + VAAPIEncodeContext *ctx = avctx->priv_data; > + VAStatus vas; > + VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders }; > + > + vas = vaGetConfigAttributes(ctx->hwctx->display, > + ctx->va_profile, > + ctx->va_entrypoint, > + &attr, 1); > + if (vas != VA_STATUS_SUCCESS) { > + av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers " > + "attribute: %d (%s).\n", vas, vaErrorStr(vas)); > + return AVERROR_EXTERNAL; > + } > + > + if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { > + if (ctx->packed_headers) { > + av_log(avctx, AV_LOG_WARNING, "Driver does not support any " > + "packed headers (wanted %#x).\n", ctx->packed_headers); > + } else { > + av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any " > + "packed headers (none wanted).\n"); > + } > + ctx->va_packed_headers = 0; > + } else { > + if (ctx->packed_headers & ~attr.value) { > + av_log(avctx, AV_LOG_WARNING, "Driver does not support some " > + "wanted packed headers (wanted %#x, found %#x).\n", > + ctx->packed_headers, attr.value); > + } else { > + av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers " > + "available (wanted %#x, found %#x).\n", > + ctx->packed_headers, attr.value); > + } > + ctx->va_packed_headers = ctx->packed_headers & attr.value; > + } > + > + if (ctx->va_packed_headers) { > + ctx->config_attributes[ctx->nb_config_attributes++] = > + (VAConfigAttrib) { > + .type = VAConfigAttribEncPackedHeaders, > + .value = ctx->va_packed_headers, > + }; > + } > + > + if ( (ctx->packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && > + !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && > + (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) { > + av_log(avctx, AV_LOG_WARNING, "Driver does not support packed " > + "sequence headers, but a global header is requested.\n"); > + av_log(avctx, AV_LOG_WARNING, "No global header will be written: " > + "this may result in a stream which is not usable for some " > + "purposes (e.g. not muxable to some containers).\n"); > + } > + > + return 0; > +} > + > static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx) > { > #if VA_CHECK_VERSION(0, 36, 0) > @@ -1724,7 +1729,7 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) > if (err < 0) > goto fail; > > - err = vaapi_encode_config_attributes(avctx); > + err = vaapi_encode_init_packed_headers(avctx); > if (err < 0) > goto fail; > > @@ -1813,7 +1818,8 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) > ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT; > > if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE && > - ctx->codec->write_sequence_header) { > + ctx->codec->write_sequence_header && > + avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { > char data[MAX_PARAM_BUFFER_SIZE]; > size_t bit_len = 8 * sizeof(data); > > diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h > index bbec721bca..e6acd933d6 100644 > --- a/libavcodec/vaapi_encode.h > +++ b/libavcodec/vaapi_encode.h > @@ -116,9 +116,8 @@ typedef struct VAAPIEncodeContext { > // Use low power encoding mode. > int low_power; > > - // Supported packed headers (initially the desired set, modified > - // later to what is actually supported). > - unsigned int va_packed_headers; > + // Desired packed headers. > + unsigned int packed_headers; > How about adding a prefix of desired_ to this field? I got a little bit confused when reviewing this patch :-) > // The required size of surfaces. This is probably the input > // size (AVCodecContext.width|height) aligned up to whatever > @@ -140,6 +139,8 @@ typedef struct VAAPIEncodeContext { > unsigned int va_rc_mode; > // Bitrate for codec-specific encoder parameters. > unsigned int va_bit_rate; > + // Packed headers which will actually be sent. > + unsigned int va_packed_headers; > > // Configuration attributes to use when creating va_config. > VAConfigAttrib config_attributes[MAX_CONFIG_ATTRIBUTES]; > diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c > index 717be024ca..e2f4f4f2f5 100644 > --- a/libavcodec/vaapi_encode_h264.c > +++ b/libavcodec/vaapi_encode_h264.c > @@ -930,7 +930,7 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext > *avctx) > return AVERROR_PATCHWELCOME; > } > > - ctx->va_packed_headers = > + ctx->packed_headers = > VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS. > VA_ENC_PACKED_HEADER_SLICE | // Slice headers. > VA_ENC_PACKED_HEADER_MISC; // SEI. > diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c > index b2d6b8d24d..04dfef27c8 100644 > --- a/libavcodec/vaapi_encode_h265.c > +++ b/libavcodec/vaapi_encode_h265.c > @@ -1064,7 +1064,7 @@ static av_cold int vaapi_encode_h265_init(AVCodecContext > *avctx) > if (avctx->level == FF_LEVEL_UNKNOWN) > avctx->level = priv->level; > > - ctx->va_packed_headers = > + ctx->packed_headers = > VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS. > VA_ENC_PACKED_HEADER_SLICE | // Slice headers. > VA_ENC_PACKED_HEADER_MISC; // SEI > diff --git a/libavcodec/vaapi_encode_mjpeg.c b/libavcodec/vaapi_encode_mjpeg.c > index 4982cd166f..f76645425a 100644 > --- a/libavcodec/vaapi_encode_mjpeg.c > +++ b/libavcodec/vaapi_encode_mjpeg.c > @@ -389,7 +389,7 @@ static av_cold int vaapi_encode_mjpeg_init(AVCodecContext > *avctx) > ctx->codec = &vaapi_encode_type_mjpeg; > > // The JPEG image header - see note above. > - ctx->va_packed_headers = > + ctx->packed_headers = > VA_ENC_PACKED_HEADER_RAW_DATA; > > ctx->surface_width = FFALIGN(avctx->width, 8); > diff --git a/libavcodec/vaapi_encode_mpeg2.c b/libavcodec/vaapi_encode_mpeg2.c > index b6edca9158..1afd753fc1 100644 > --- a/libavcodec/vaapi_encode_mpeg2.c > +++ b/libavcodec/vaapi_encode_mpeg2.c > @@ -615,8 +615,8 @@ static av_cold int vaapi_encode_mpeg2_init(AVCodecContext > *avctx) > return AVERROR(EINVAL); > } > > - ctx->va_packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE | > - VA_ENC_PACKED_HEADER_PICTURE; > + ctx->packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE | > + VA_ENC_PACKED_HEADER_PICTURE; > > ctx->surface_width = FFALIGN(avctx->width, 16); > ctx->surface_height = FFALIGN(avctx->height, 16); > diff --git a/libavcodec/vaapi_encode_vp8.c b/libavcodec/vaapi_encode_vp8.c > index 4512609a19..51ba601c5e 100644 > --- a/libavcodec/vaapi_encode_vp8.c > +++ b/libavcodec/vaapi_encode_vp8.c > @@ -200,8 +200,10 @@ static av_cold int vaapi_encode_vp8_init(AVCodecContext > *avctx) > > ctx->codec = &vaapi_encode_type_vp8; > > - // Packed headers are not currently supported. > - ctx->va_packed_headers = 0; > + // No packed headers are currently desired. VP8 has no metadata > + // which would be useful to write, and no existing driver supports > + // adding them anyway. > + ctx->packed_headers = 0; > > ctx->surface_width = FFALIGN(avctx->width, 16); > ctx->surface_height = FFALIGN(avctx->height, 16); > diff --git a/libavcodec/vaapi_encode_vp9.c b/libavcodec/vaapi_encode_vp9.c > index d4069ec850..537a92c48c 100644 > --- a/libavcodec/vaapi_encode_vp9.c > +++ b/libavcodec/vaapi_encode_vp9.c > @@ -228,8 +228,10 @@ static av_cold int vaapi_encode_vp9_init(AVCodecContext > *avctx) > > ctx->codec = &vaapi_encode_type_vp9; > > - // Packed headers are not currently supported. > - ctx->va_packed_headers = 0; > + // No packed headers are currently desired. They could be written, > + // but there isn't any reason to do so - the one usable driver (i965) > + // can write its own headers and there is no metadata to include. > + ctx->packed_headers = 0; > > // Surfaces must be aligned to superblock boundaries. > ctx->surface_width = FFALIGN(avctx->width, 64);
On 14/06/18 08:15, Xiang, Haihao wrote: > On Fri, 2018-06-08 at 00:43 +0100, Mark Thompson wrote: >> Add a larger warning more clearly explaining the consequences of missing >> packed header support in the driver. Also only write the extradata if the >> user actually requests it via the GLOBAL_HEADER flag. >> --- >> libavcodec/vaapi_encode.c | 118 +++++++++++++++++++++---------------- >> --- >> libavcodec/vaapi_encode.h | 7 ++- >> libavcodec/vaapi_encode_h264.c | 2 +- >> libavcodec/vaapi_encode_h265.c | 2 +- >> libavcodec/vaapi_encode_mjpeg.c | 2 +- >> libavcodec/vaapi_encode_mpeg2.c | 4 +- >> libavcodec/vaapi_encode_vp8.c | 6 +- >> libavcodec/vaapi_encode_vp9.c | 6 +- >> 8 files changed, 79 insertions(+), 68 deletions(-) >> >> diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c >> index af9224c98f..14d1846ea3 100644 >> --- a/libavcodec/vaapi_encode.c >> +++ b/libavcodec/vaapi_encode.c >> @@ -1210,60 +1210,6 @@ fail: >> return err; >> } >> >> -static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx) >> -{ >> - VAAPIEncodeContext *ctx = avctx->priv_data; >> - VAStatus vas; >> - int i; >> - >> - VAConfigAttrib attr[] = { >> - { VAConfigAttribEncPackedHeaders }, >> - }; >> - >> - vas = vaGetConfigAttributes(ctx->hwctx->display, >> - ctx->va_profile, ctx->va_entrypoint, >> - attr, FF_ARRAY_ELEMS(attr)); >> - if (vas != VA_STATUS_SUCCESS) { >> - av_log(avctx, AV_LOG_ERROR, "Failed to fetch config " >> - "attributes: %d (%s).\n", vas, vaErrorStr(vas)); >> - return AVERROR(EINVAL); >> - } >> - >> - for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) { >> - if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) { >> - // Unfortunately we have to treat this as "don't know" and hope >> - // for the best, because the Intel MJPEG encoder returns this >> - // for all the interesting attributes. >> - av_log(avctx, AV_LOG_DEBUG, "Attribute (%d) is not supported.\n", >> - attr[i].type); >> - continue; >> - } >> - switch (attr[i].type) { >> - 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."); >> - } >> - } >> - >> - return 0; >> -} >> - >> static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) >> { >> VAAPIEncodeContext *ctx = avctx->priv_data; >> @@ -1494,6 +1440,65 @@ static av_cold int >> vaapi_encode_init_gop_structure(AVCodecContext *avctx) >> return 0; >> } >> >> +static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx) >> +{ >> + VAAPIEncodeContext *ctx = avctx->priv_data; >> + VAStatus vas; >> + VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders }; >> + >> + vas = vaGetConfigAttributes(ctx->hwctx->display, >> + ctx->va_profile, >> + ctx->va_entrypoint, >> + &attr, 1); >> + if (vas != VA_STATUS_SUCCESS) { >> + av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers " >> + "attribute: %d (%s).\n", vas, vaErrorStr(vas)); >> + return AVERROR_EXTERNAL; >> + } >> + >> + if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { >> + if (ctx->packed_headers) { >> + av_log(avctx, AV_LOG_WARNING, "Driver does not support any " >> + "packed headers (wanted %#x).\n", ctx->packed_headers); >> + } else { >> + av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any " >> + "packed headers (none wanted).\n"); >> + } >> + ctx->va_packed_headers = 0; >> + } else { >> + if (ctx->packed_headers & ~attr.value) { >> + av_log(avctx, AV_LOG_WARNING, "Driver does not support some " >> + "wanted packed headers (wanted %#x, found %#x).\n", >> + ctx->packed_headers, attr.value); >> + } else { >> + av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers " >> + "available (wanted %#x, found %#x).\n", >> + ctx->packed_headers, attr.value); >> + } >> + ctx->va_packed_headers = ctx->packed_headers & attr.value; >> + } >> + >> + if (ctx->va_packed_headers) { >> + ctx->config_attributes[ctx->nb_config_attributes++] = >> + (VAConfigAttrib) { >> + .type = VAConfigAttribEncPackedHeaders, >> + .value = ctx->va_packed_headers, >> + }; >> + } >> + >> + if ( (ctx->packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && >> + !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && >> + (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) { >> + av_log(avctx, AV_LOG_WARNING, "Driver does not support packed " >> + "sequence headers, but a global header is requested.\n"); >> + av_log(avctx, AV_LOG_WARNING, "No global header will be written: " >> + "this may result in a stream which is not usable for some " >> + "purposes (e.g. not muxable to some containers).\n"); >> + } >> + >> + return 0; >> +} >> + >> static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx) >> { >> #if VA_CHECK_VERSION(0, 36, 0) >> @@ -1724,7 +1729,7 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) >> if (err < 0) >> goto fail; >> >> - err = vaapi_encode_config_attributes(avctx); >> + err = vaapi_encode_init_packed_headers(avctx); >> if (err < 0) >> goto fail; >> >> @@ -1813,7 +1818,8 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) >> ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT; >> >> if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE && >> - ctx->codec->write_sequence_header) { >> + ctx->codec->write_sequence_header && >> + avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { >> char data[MAX_PARAM_BUFFER_SIZE]; >> size_t bit_len = 8 * sizeof(data); >> >> diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h >> index bbec721bca..e6acd933d6 100644 >> --- a/libavcodec/vaapi_encode.h >> +++ b/libavcodec/vaapi_encode.h >> @@ -116,9 +116,8 @@ typedef struct VAAPIEncodeContext { >> // Use low power encoding mode. >> int low_power; >> >> - // Supported packed headers (initially the desired set, modified >> - // later to what is actually supported). >> - unsigned int va_packed_headers; >> + // Desired packed headers. >> + unsigned int packed_headers; >> > > How about adding a prefix of desired_ to this field? I got a little bit confused > when reviewing this patch :-) Yeah, that would be clearer. Changed. >> // The required size of surfaces. This is probably the input >> // size (AVCodecContext.width|height) aligned up to whatever >> @@ -140,6 +139,8 @@ typedef struct VAAPIEncodeContext { >> unsigned int va_rc_mode; >> // Bitrate for codec-specific encoder parameters. >> unsigned int va_bit_rate; >> + // Packed headers which will actually be sent. >> + unsigned int va_packed_headers; >> >> // Configuration attributes to use when creating va_config. >> VAConfigAttrib config_attributes[MAX_CONFIG_ATTRIBUTES]; Thanks, - Mark
diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c index af9224c98f..14d1846ea3 100644 --- a/libavcodec/vaapi_encode.c +++ b/libavcodec/vaapi_encode.c @@ -1210,60 +1210,6 @@ fail: return err; } -static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx) -{ - VAAPIEncodeContext *ctx = avctx->priv_data; - VAStatus vas; - int i; - - VAConfigAttrib attr[] = { - { VAConfigAttribEncPackedHeaders }, - }; - - vas = vaGetConfigAttributes(ctx->hwctx->display, - ctx->va_profile, ctx->va_entrypoint, - attr, FF_ARRAY_ELEMS(attr)); - if (vas != VA_STATUS_SUCCESS) { - av_log(avctx, AV_LOG_ERROR, "Failed to fetch config " - "attributes: %d (%s).\n", vas, vaErrorStr(vas)); - return AVERROR(EINVAL); - } - - for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) { - if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) { - // Unfortunately we have to treat this as "don't know" and hope - // for the best, because the Intel MJPEG encoder returns this - // for all the interesting attributes. - av_log(avctx, AV_LOG_DEBUG, "Attribute (%d) is not supported.\n", - attr[i].type); - continue; - } - switch (attr[i].type) { - 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."); - } - } - - return 0; -} - static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; @@ -1494,6 +1440,65 @@ static av_cold int vaapi_encode_init_gop_structure(AVCodecContext *avctx) return 0; } +static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx) +{ + VAAPIEncodeContext *ctx = avctx->priv_data; + VAStatus vas; + VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders }; + + vas = vaGetConfigAttributes(ctx->hwctx->display, + ctx->va_profile, + ctx->va_entrypoint, + &attr, 1); + if (vas != VA_STATUS_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers " + "attribute: %d (%s).\n", vas, vaErrorStr(vas)); + return AVERROR_EXTERNAL; + } + + if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { + if (ctx->packed_headers) { + av_log(avctx, AV_LOG_WARNING, "Driver does not support any " + "packed headers (wanted %#x).\n", ctx->packed_headers); + } else { + av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any " + "packed headers (none wanted).\n"); + } + ctx->va_packed_headers = 0; + } else { + if (ctx->packed_headers & ~attr.value) { + av_log(avctx, AV_LOG_WARNING, "Driver does not support some " + "wanted packed headers (wanted %#x, found %#x).\n", + ctx->packed_headers, attr.value); + } else { + av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers " + "available (wanted %#x, found %#x).\n", + ctx->packed_headers, attr.value); + } + ctx->va_packed_headers = ctx->packed_headers & attr.value; + } + + if (ctx->va_packed_headers) { + ctx->config_attributes[ctx->nb_config_attributes++] = + (VAConfigAttrib) { + .type = VAConfigAttribEncPackedHeaders, + .value = ctx->va_packed_headers, + }; + } + + if ( (ctx->packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && + !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && + (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) { + av_log(avctx, AV_LOG_WARNING, "Driver does not support packed " + "sequence headers, but a global header is requested.\n"); + av_log(avctx, AV_LOG_WARNING, "No global header will be written: " + "this may result in a stream which is not usable for some " + "purposes (e.g. not muxable to some containers).\n"); + } + + return 0; +} + static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx) { #if VA_CHECK_VERSION(0, 36, 0) @@ -1724,7 +1729,7 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) if (err < 0) goto fail; - err = vaapi_encode_config_attributes(avctx); + err = vaapi_encode_init_packed_headers(avctx); if (err < 0) goto fail; @@ -1813,7 +1818,8 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT; if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE && - ctx->codec->write_sequence_header) { + ctx->codec->write_sequence_header && + avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { char data[MAX_PARAM_BUFFER_SIZE]; size_t bit_len = 8 * sizeof(data); diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h index bbec721bca..e6acd933d6 100644 --- a/libavcodec/vaapi_encode.h +++ b/libavcodec/vaapi_encode.h @@ -116,9 +116,8 @@ typedef struct VAAPIEncodeContext { // Use low power encoding mode. int low_power; - // Supported packed headers (initially the desired set, modified - // later to what is actually supported). - unsigned int va_packed_headers; + // Desired packed headers. + unsigned int packed_headers; // The required size of surfaces. This is probably the input // size (AVCodecContext.width|height) aligned up to whatever @@ -140,6 +139,8 @@ typedef struct VAAPIEncodeContext { unsigned int va_rc_mode; // Bitrate for codec-specific encoder parameters. unsigned int va_bit_rate; + // Packed headers which will actually be sent. + unsigned int va_packed_headers; // Configuration attributes to use when creating va_config. VAConfigAttrib config_attributes[MAX_CONFIG_ATTRIBUTES]; diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c index 717be024ca..e2f4f4f2f5 100644 --- a/libavcodec/vaapi_encode_h264.c +++ b/libavcodec/vaapi_encode_h264.c @@ -930,7 +930,7 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx) return AVERROR_PATCHWELCOME; } - ctx->va_packed_headers = + ctx->packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS. VA_ENC_PACKED_HEADER_SLICE | // Slice headers. VA_ENC_PACKED_HEADER_MISC; // SEI. diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c index b2d6b8d24d..04dfef27c8 100644 --- a/libavcodec/vaapi_encode_h265.c +++ b/libavcodec/vaapi_encode_h265.c @@ -1064,7 +1064,7 @@ static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx) if (avctx->level == FF_LEVEL_UNKNOWN) avctx->level = priv->level; - ctx->va_packed_headers = + ctx->packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS. VA_ENC_PACKED_HEADER_SLICE | // Slice headers. VA_ENC_PACKED_HEADER_MISC; // SEI diff --git a/libavcodec/vaapi_encode_mjpeg.c b/libavcodec/vaapi_encode_mjpeg.c index 4982cd166f..f76645425a 100644 --- a/libavcodec/vaapi_encode_mjpeg.c +++ b/libavcodec/vaapi_encode_mjpeg.c @@ -389,7 +389,7 @@ static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx) ctx->codec = &vaapi_encode_type_mjpeg; // The JPEG image header - see note above. - ctx->va_packed_headers = + ctx->packed_headers = VA_ENC_PACKED_HEADER_RAW_DATA; ctx->surface_width = FFALIGN(avctx->width, 8); diff --git a/libavcodec/vaapi_encode_mpeg2.c b/libavcodec/vaapi_encode_mpeg2.c index b6edca9158..1afd753fc1 100644 --- a/libavcodec/vaapi_encode_mpeg2.c +++ b/libavcodec/vaapi_encode_mpeg2.c @@ -615,8 +615,8 @@ static av_cold int vaapi_encode_mpeg2_init(AVCodecContext *avctx) return AVERROR(EINVAL); } - ctx->va_packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE | - VA_ENC_PACKED_HEADER_PICTURE; + ctx->packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE | + VA_ENC_PACKED_HEADER_PICTURE; ctx->surface_width = FFALIGN(avctx->width, 16); ctx->surface_height = FFALIGN(avctx->height, 16); diff --git a/libavcodec/vaapi_encode_vp8.c b/libavcodec/vaapi_encode_vp8.c index 4512609a19..51ba601c5e 100644 --- a/libavcodec/vaapi_encode_vp8.c +++ b/libavcodec/vaapi_encode_vp8.c @@ -200,8 +200,10 @@ static av_cold int vaapi_encode_vp8_init(AVCodecContext *avctx) ctx->codec = &vaapi_encode_type_vp8; - // Packed headers are not currently supported. - ctx->va_packed_headers = 0; + // No packed headers are currently desired. VP8 has no metadata + // which would be useful to write, and no existing driver supports + // adding them anyway. + ctx->packed_headers = 0; ctx->surface_width = FFALIGN(avctx->width, 16); ctx->surface_height = FFALIGN(avctx->height, 16); diff --git a/libavcodec/vaapi_encode_vp9.c b/libavcodec/vaapi_encode_vp9.c index d4069ec850..537a92c48c 100644 --- a/libavcodec/vaapi_encode_vp9.c +++ b/libavcodec/vaapi_encode_vp9.c @@ -228,8 +228,10 @@ static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx) ctx->codec = &vaapi_encode_type_vp9; - // Packed headers are not currently supported. - ctx->va_packed_headers = 0; + // No packed headers are currently desired. They could be written, + // but there isn't any reason to do so - the one usable driver (i965) + // can write its own headers and there is no metadata to include. + ctx->packed_headers = 0; // Surfaces must be aligned to superblock boundaries. ctx->surface_width = FFALIGN(avctx->width, 64);