From fff5724489cd0a503d206c6f513b1d8572247484 Mon Sep 17 00:00:00 2001 From: "sw.multimedia" 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 --- 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(-) --- a/configure +++ b/configure @@ -3187,6 +3187,7 @@ 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" --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -827,6 +827,7 @@ extern const FFCodec ff_hevc_omx_encoder; extern const FFCodec ff_hevc_omx_decoder; extern const FFCodec ff_h264_qsv_encoder; +extern const FFCodec ff_mjpeg_omx_decoder; extern const FFCodec ff_h264_v4l2m2m_encoder; extern const FFCodec ff_h264_vaapi_encoder; extern const FFCodec ff_h264_videotoolbox_encoder; --- a/libavcodec/omx.c +++ b/libavcodec/omx.c @@ -43,6 +43,7 @@ #include "avcodec.h" #include "codec_internal.h" #include "h264.h" +#include "hevc.h" #include "pthread_internal.h" #include "profiles.h" @@ -481,9 +482,11 @@ 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 @@ } 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; } --- a/libavcodec/omxdec.c +++ b/libavcodec/omxdec.c @@ -106,6 +106,7 @@ { 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ !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 @@ #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 @@ .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 @@ .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, }; --- a/libavformat/demux.c +++ b/libavformat/demux.c @@ -84,6 +84,13 @@ 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 = ff_find_decoder(s, st, codec_id); if (!codec) return NULL;