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fml13v01-buildroot/package/ffmpeg/0009-ffmpeg-add-mjpeg-decoder-support-and-fix-some-bug.patch
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arvin.zhu de10ff115b ffmpeg: add omx_pix_fmt option for mjpeg_omx decoder 
add omx_pix_fmt option for mjpeg_omx decoder and modify code foramt

Signed-off-by: arvin.zhu <arvin.zhu@starfivetech.com>
2022-10-28 22:14:43 +08:00

223 lines
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From fff5724489cd0a503d206c6f513b1d8572247484 Mon Sep 17 00:00:00 2001
From: "sw.multimedia" <se.multimedia@starfivetech.com>
Date: Wed, 25 May 2022 21:28:23 +0800
Subject: [PATCH] ffmpeg: add mjpeg decoder support and fix some bug
Signed-off-by: sw.multimedia <se.multimedia@starfivetech.com>
---
configure | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/omx.c | 25 +++++++++++++++++++++---
libavcodec/omxdec.c | 44 +++++++++++++++++++++++++++++++++++++-----
libavformat/utils.c | 7 +++++++
5 files changed, 70 insertions(+), 8 deletions(-)
diff --git a/configure b/configure
index 80be074..ca465a1 100755
--- a/configure
+++ b/configure
@@ -3095,6 +3095,7 @@ h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
hevc_omx_encoder_deps="omx"
hevc_omx_decoder_deps="omx"
+mjpeg_omx_decoder_deps="omx"
hevc_amf_encoder_deps="amf"
hevc_cuvid_decoder_deps="cuvid"
hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 0c7a18d..69627df 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -817,6 +817,7 @@ extern AVCodec ff_libkvazaar_encoder;
extern AVCodec ff_mjpeg_cuvid_decoder;
extern AVCodec ff_mjpeg_qsv_encoder;
extern AVCodec ff_mjpeg_qsv_decoder;
+extern AVCodec ff_mjpeg_omx_decoder;
extern AVCodec ff_mjpeg_vaapi_encoder;
extern AVCodec ff_mp3_mf_encoder;
extern AVCodec ff_mpeg1_cuvid_decoder;
diff --git a/libavcodec/omx.c b/libavcodec/omx.c
index 86e32a8..023db9c 100644
--- a/libavcodec/omx.c
+++ b/libavcodec/omx.c
@@ -42,6 +42,7 @@
#include "avcodec.h"
#include "h264.h"
+#include "hevc.h"
#include "internal.h"
#include "profiles.h"
@@ -474,9 +475,11 @@ static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
in_port_params.format.video.nFrameWidth = avctx->width;
in_port_params.format.video.nFrameHeight = avctx->height;
if (avctx->framerate.den > 0 && avctx->framerate.num > 0)
- in_port_params.format.video.xFramerate = (1LL << 16) * avctx->framerate.num / avctx->framerate.den;
+ //in_port_params.format.video.xFramerate = (1LL << 16) * avctx->framerate.num / avctx->framerate.den;
+ in_port_params.format.video.xFramerate = avctx->framerate.num / avctx->framerate.den;
else
- in_port_params.format.video.xFramerate = (1LL << 16) * avctx->time_base.den / avctx->time_base.num;
+ //in_port_params.format.video.xFramerate = (1LL << 16) * avctx->time_base.den / avctx->time_base.num;
+ in_port_params.format.video.xFramerate = avctx->time_base.den / avctx->time_base.num;
err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
CHECK(err);
@@ -721,7 +724,23 @@ static av_cold int omx_encode_init(AVCodecContext *avctx)
}
if (nals[H264_NAL_SPS] && nals[H264_NAL_PPS])
break;
- } else {
+ } else if (avctx->codec->id == AV_CODEC_ID_HEVC) {
+ // For H.265, the extradata can be returned in two separate buffers
+ // (the videocore encoder on raspberry pi does this);
+ // therefore check that we have got both SPS and PPS before continuing.
+ int nals[128] = { 0 };
+ int i;
+ for (i = 0; i + 4 < avctx->extradata_size; i++) {
+ if (!avctx->extradata[i + 0] &&
+ !avctx->extradata[i + 1] &&
+ !avctx->extradata[i + 2] &&
+ avctx->extradata[i + 3] == 1) {
+ nals[(avctx->extradata[i + 4] & 0x7E) >> 1]++;
+ }
+ }
+ if (nals[HEVC_NAL_SPS] && nals[HEVC_NAL_PPS] && nals[HEVC_NAL_VPS])
+ break;
+ } else {
if (avctx->extradata_size > 0)
break;
}
diff --git a/libavcodec/omxdec.c b/libavcodec/omxdec.c
index 8d00b86..32f39f3 100644
--- a/libavcodec/omxdec.c
+++ b/libavcodec/omxdec.c
@@ -106,6 +106,7 @@ static const struct {
{ OMX_COLOR_FormatYUV420Planar, AV_PIX_FMT_YUV420P },
{ OMX_COLOR_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
{ OMX_COLOR_FormatYUV420PackedSemiPlanar, AV_PIX_FMT_NV21 },
+ { OMX_COLOR_FormatYUV444Interleaved, AV_PIX_FMT_YUV444P },
{ 0 }
};
@@ -366,6 +367,7 @@ static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, O
dec_out_height = out_port_params.format.video.nFrameHeight;
dec_pix_fmt = out_port_params.format.video.eColorFormat;
+ av_log(s->avctx, AV_LOG_VERBOSE, "w:%d, h:%d, fmt:%d\n", dec_out_width, dec_out_height, dec_pix_fmt);
}
}
break;
@@ -535,9 +537,11 @@ static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
in_port_params.format.video.nFrameHeight = avctx->height;
if (avctx->framerate.den > 0 && avctx->framerate.num > 0)
- in_port_params.format.video.xFramerate = (1LL << 16) * avctx->framerate.num / avctx->framerate.den;
+ //in_port_params.format.video.xFramerate = (1LL << 16) * avctx->framerate.num / avctx->framerate.den;
+ in_port_params.format.video.xFramerate = avctx->framerate.num / avctx->framerate.den;
else
- in_port_params.format.video.xFramerate = (1LL << 16) * avctx->time_base.den / avctx->time_base.num;
+ //in_port_params.format.video.xFramerate = (1LL << 16) * avctx->time_base.den / avctx->time_base.num;
+ in_port_params.format.video.xFramerate = avctx->time_base.den / avctx->time_base.num;
err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
CHECK(err);
@@ -567,6 +571,8 @@ static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
else if (avctx->codec->id == AV_CODEC_ID_HEVC)
out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingHEVC;
+ else if (avctx->codec->id == AV_CODEC_ID_MJPEG)
+ out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingMJPEG;
err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
CHECK(err);
@@ -703,6 +709,9 @@ static av_cold int omx_decode_init(AVCodecContext *avctx)
case AV_CODEC_ID_HEVC:
role = "video_decoder.hevc";
break;
+ case AV_CODEC_ID_MJPEG:
+ role = "video_decoder.mjpeg";
+ break;
default:
return AVERROR(ENOSYS);
}
@@ -852,11 +861,13 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
!pkt || had_partial);
if (!buffer) {
- /*eos is sent wait for vpu evnet_bufferflag to get all frames*/
-+ if(s->eos_sent && !evnet_bufferflag){}
+ /*eos is sent wait for vpu evnet_bufferflag to get all frames
+ mjpeg: sent a frame, then wait for a decoder frame
+ */
+ if((s->eos_sent && !evnet_bufferflag) || (avctx->codec_id == AV_CODEC_ID_MJPEG )) {
continue;
}
- break;
+ break;
}
//if (!buffer)
// break;
@@ -924,6 +935,7 @@ static av_cold int omx_decode_end(AVCodecContext *avctx)
#define OFFSET(x) offsetof(OMXCodecContext, x)
#define VDE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "omx_libname", "OpenMAX library name", OFFSET(libname), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
{ "omx_libprefix", "OpenMAX library prefix", OFFSET(libprefix), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
@@ -980,6 +992,7 @@ AVCodec ff_h264_omx_decoder = {
.capabilities = AV_CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
.priv_class = &omx_h264dec_class,
+ .bsfs = "h264_mp4toannexb",
};
static const AVClass omx_hevcdec_class = {
@@ -1001,4 +1014,25 @@ AVCodec ff_hevc_omx_decoder = {
.capabilities = AV_CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
.priv_class = &omx_hevcdec_class,
+ .bsfs = "hevc_mp4toannexb",
+};
+
+static const AVClass omx_mjpegdec_class = {
+ .class_name = "mjpeg_omx",
+ .item_name = av_default_item_name,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+AVCodec ff_mjpeg_omx_decoder = {
+ .name = "mjpeg_omx",
+ .long_name = NULL_IF_CONFIG_SMALL("OpenMAX IL mjpeg video decoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MJPEG,
+ .priv_data_size = sizeof(OMXCodecContext),
+ .init = omx_decode_init,
+ .decode = omx_decode_frame,
+ .close = omx_decode_end,
+ .capabilities = AV_CODEC_CAP_DR1,
+ .max_lowres = 3,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
+ .priv_class = &omx_mjpegdec_class,
};
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 262ff5f..4867810 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -219,6 +219,13 @@ static const AVCodec *find_probe_decoder(AVFormatContext *s, const AVStream *st,
return avcodec_find_decoder_by_name("hevc");
#endif
+#if CONFIG_MJPEG_DECODER
+ /* Other parts of the code assume this decoder to be used for mjpeg,
+ * so force it if possible. */
+ if (codec_id == AV_CODEC_ID_MJPEG)
+ return avcodec_find_decoder_by_name("mjpeg");
+#endif
+
codec = find_decoder(s, st, codec_id);
if (!codec)
return NULL;
--
2.17.1
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