mirror of https://git.ffmpeg.org/ffmpeg.git
fftools/ffmpeg_hw: move hw_device_setup_for_decode() to ffmpeg_dec
This function is entangled with decoder setup, so it is more decoding code rather than ffmpeg_hw code. This will allow making more decoder state private in the future.
This commit is contained in:
Anton Khirnov
parent
e8e4863325
commit
760a9bd306
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@ -795,10 +795,13 @@ void enc_stats_write(OutputStream *ost, EncStats *es,
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uint64_t frame_num);
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HWDevice *hw_device_get_by_name(const char *name);
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HWDevice *hw_device_get_by_type(enum AVHWDeviceType type);
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int hw_device_init_from_string(const char *arg, HWDevice **dev);
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int hw_device_init_from_type(enum AVHWDeviceType type,
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const char *device,
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HWDevice **dev_out);
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void hw_device_free_all(void);
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int hw_device_setup_for_decode(InputStream *ist);
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int hw_device_setup_for_encode(OutputStream *ost);
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/**
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* Get a hardware device to be used with this filtergraph.
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@ -533,6 +533,151 @@ static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat
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return *p;
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}
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static HWDevice *hw_device_match_by_codec(const AVCodec *codec)
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{
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const AVCodecHWConfig *config;
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HWDevice *dev;
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int i;
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for (i = 0;; i++) {
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config = avcodec_get_hw_config(codec, i);
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if (!config)
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return NULL;
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if (!(config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
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continue;
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dev = hw_device_get_by_type(config->device_type);
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if (dev)
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return dev;
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}
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}
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static int hw_device_setup_for_decode(InputStream *ist)
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{
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const AVCodecHWConfig *config;
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enum AVHWDeviceType type;
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HWDevice *dev = NULL;
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int err, auto_device = 0;
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if (ist->hwaccel_device) {
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dev = hw_device_get_by_name(ist->hwaccel_device);
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if (!dev) {
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if (ist->hwaccel_id == HWACCEL_AUTO) {
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auto_device = 1;
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} else if (ist->hwaccel_id == HWACCEL_GENERIC) {
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type = ist->hwaccel_device_type;
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err = hw_device_init_from_type(type, ist->hwaccel_device,
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&dev);
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} else {
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// This will be dealt with by API-specific initialisation
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// (using hwaccel_device), so nothing further needed here.
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return 0;
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}
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} else {
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if (ist->hwaccel_id == HWACCEL_AUTO) {
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ist->hwaccel_device_type = dev->type;
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} else if (ist->hwaccel_device_type != dev->type) {
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av_log(NULL, AV_LOG_ERROR, "Invalid hwaccel device "
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"specified for decoder: device %s of type %s is not "
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"usable with hwaccel %s.\n", dev->name,
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av_hwdevice_get_type_name(dev->type),
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av_hwdevice_get_type_name(ist->hwaccel_device_type));
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return AVERROR(EINVAL);
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}
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}
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} else {
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if (ist->hwaccel_id == HWACCEL_AUTO) {
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auto_device = 1;
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} else if (ist->hwaccel_id == HWACCEL_GENERIC) {
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type = ist->hwaccel_device_type;
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dev = hw_device_get_by_type(type);
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// When "-qsv_device device" is used, an internal QSV device named
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// as "__qsv_device" is created. Another QSV device is created too
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// if "-init_hw_device qsv=name:device" is used. There are 2 QSV devices
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// if both "-qsv_device device" and "-init_hw_device qsv=name:device"
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// are used, hw_device_get_by_type(AV_HWDEVICE_TYPE_QSV) returns NULL.
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// To keep back-compatibility with the removed ad-hoc libmfx setup code,
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// call hw_device_get_by_name("__qsv_device") to select the internal QSV
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// device.
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if (!dev && type == AV_HWDEVICE_TYPE_QSV)
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dev = hw_device_get_by_name("__qsv_device");
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if (!dev)
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err = hw_device_init_from_type(type, NULL, &dev);
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} else {
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dev = hw_device_match_by_codec(ist->dec);
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if (!dev) {
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// No device for this codec, but not using generic hwaccel
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// and therefore may well not need one - ignore.
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return 0;
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}
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}
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}
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if (auto_device) {
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int i;
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if (!avcodec_get_hw_config(ist->dec, 0)) {
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// Decoder does not support any hardware devices.
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return 0;
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}
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for (i = 0; !dev; i++) {
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config = avcodec_get_hw_config(ist->dec, i);
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if (!config)
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break;
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type = config->device_type;
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dev = hw_device_get_by_type(type);
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if (dev) {
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av_log(NULL, AV_LOG_INFO, "Using auto "
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"hwaccel type %s with existing device %s.\n",
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av_hwdevice_get_type_name(type), dev->name);
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}
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}
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for (i = 0; !dev; i++) {
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config = avcodec_get_hw_config(ist->dec, i);
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if (!config)
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break;
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type = config->device_type;
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// Try to make a new device of this type.
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err = hw_device_init_from_type(type, ist->hwaccel_device,
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&dev);
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if (err < 0) {
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// Can't make a device of this type.
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continue;
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}
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if (ist->hwaccel_device) {
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av_log(NULL, AV_LOG_INFO, "Using auto "
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"hwaccel type %s with new device created "
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"from %s.\n", av_hwdevice_get_type_name(type),
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ist->hwaccel_device);
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} else {
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av_log(NULL, AV_LOG_INFO, "Using auto "
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"hwaccel type %s with new default device.\n",
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av_hwdevice_get_type_name(type));
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}
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}
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if (dev) {
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ist->hwaccel_device_type = type;
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} else {
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av_log(NULL, AV_LOG_INFO, "Auto hwaccel "
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"disabled: no device found.\n");
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ist->hwaccel_id = HWACCEL_NONE;
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return 0;
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}
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}
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if (!dev) {
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av_log(NULL, AV_LOG_ERROR, "No device available "
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"for decoder: device type %s needed for codec %s.\n",
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av_hwdevice_get_type_name(type), ist->dec->name);
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return err;
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}
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ist->dec_ctx->hw_device_ctx = av_buffer_ref(dev->device_ref);
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if (!ist->dec_ctx->hw_device_ctx)
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return AVERROR(ENOMEM);
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return 0;
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}
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int dec_open(InputStream *ist)
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{
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const AVCodec *codec = ist->dec;
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@ -27,7 +27,7 @@
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static int nb_hw_devices;
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static HWDevice **hw_devices;
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static HWDevice *hw_device_get_by_type(enum AVHWDeviceType type)
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HWDevice *hw_device_get_by_type(enum AVHWDeviceType type)
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{
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HWDevice *found = NULL;
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int i;
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@ -242,9 +242,9 @@ fail:
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goto done;
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}
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static int hw_device_init_from_type(enum AVHWDeviceType type,
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const char *device,
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HWDevice **dev_out)
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int hw_device_init_from_type(enum AVHWDeviceType type,
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const char *device,
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HWDevice **dev_out)
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{
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AVBufferRef *device_ref = NULL;
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HWDevice *dev;
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@ -297,151 +297,6 @@ void hw_device_free_all(void)
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nb_hw_devices = 0;
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}
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static HWDevice *hw_device_match_by_codec(const AVCodec *codec)
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{
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const AVCodecHWConfig *config;
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HWDevice *dev;
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int i;
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for (i = 0;; i++) {
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config = avcodec_get_hw_config(codec, i);
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if (!config)
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return NULL;
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if (!(config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
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continue;
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dev = hw_device_get_by_type(config->device_type);
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if (dev)
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return dev;
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}
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}
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int hw_device_setup_for_decode(InputStream *ist)
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{
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const AVCodecHWConfig *config;
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enum AVHWDeviceType type;
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HWDevice *dev = NULL;
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int err, auto_device = 0;
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if (ist->hwaccel_device) {
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dev = hw_device_get_by_name(ist->hwaccel_device);
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if (!dev) {
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if (ist->hwaccel_id == HWACCEL_AUTO) {
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auto_device = 1;
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} else if (ist->hwaccel_id == HWACCEL_GENERIC) {
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type = ist->hwaccel_device_type;
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err = hw_device_init_from_type(type, ist->hwaccel_device,
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&dev);
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} else {
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// This will be dealt with by API-specific initialisation
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// (using hwaccel_device), so nothing further needed here.
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return 0;
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}
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} else {
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if (ist->hwaccel_id == HWACCEL_AUTO) {
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ist->hwaccel_device_type = dev->type;
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} else if (ist->hwaccel_device_type != dev->type) {
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av_log(NULL, AV_LOG_ERROR, "Invalid hwaccel device "
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"specified for decoder: device %s of type %s is not "
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"usable with hwaccel %s.\n", dev->name,
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av_hwdevice_get_type_name(dev->type),
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av_hwdevice_get_type_name(ist->hwaccel_device_type));
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return AVERROR(EINVAL);
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}
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}
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} else {
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if (ist->hwaccel_id == HWACCEL_AUTO) {
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auto_device = 1;
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} else if (ist->hwaccel_id == HWACCEL_GENERIC) {
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type = ist->hwaccel_device_type;
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dev = hw_device_get_by_type(type);
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// When "-qsv_device device" is used, an internal QSV device named
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// as "__qsv_device" is created. Another QSV device is created too
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// if "-init_hw_device qsv=name:device" is used. There are 2 QSV devices
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// if both "-qsv_device device" and "-init_hw_device qsv=name:device"
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// are used, hw_device_get_by_type(AV_HWDEVICE_TYPE_QSV) returns NULL.
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// To keep back-compatibility with the removed ad-hoc libmfx setup code,
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// call hw_device_get_by_name("__qsv_device") to select the internal QSV
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// device.
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if (!dev && type == AV_HWDEVICE_TYPE_QSV)
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dev = hw_device_get_by_name("__qsv_device");
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if (!dev)
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err = hw_device_init_from_type(type, NULL, &dev);
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} else {
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dev = hw_device_match_by_codec(ist->dec);
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if (!dev) {
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// No device for this codec, but not using generic hwaccel
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// and therefore may well not need one - ignore.
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return 0;
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}
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}
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}
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if (auto_device) {
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int i;
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if (!avcodec_get_hw_config(ist->dec, 0)) {
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// Decoder does not support any hardware devices.
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return 0;
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}
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for (i = 0; !dev; i++) {
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config = avcodec_get_hw_config(ist->dec, i);
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if (!config)
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break;
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type = config->device_type;
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dev = hw_device_get_by_type(type);
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if (dev) {
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av_log(NULL, AV_LOG_INFO, "Using auto "
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"hwaccel type %s with existing device %s.\n",
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av_hwdevice_get_type_name(type), dev->name);
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}
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}
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for (i = 0; !dev; i++) {
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config = avcodec_get_hw_config(ist->dec, i);
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if (!config)
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break;
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type = config->device_type;
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// Try to make a new device of this type.
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err = hw_device_init_from_type(type, ist->hwaccel_device,
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&dev);
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if (err < 0) {
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// Can't make a device of this type.
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continue;
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}
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if (ist->hwaccel_device) {
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av_log(NULL, AV_LOG_INFO, "Using auto "
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"hwaccel type %s with new device created "
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"from %s.\n", av_hwdevice_get_type_name(type),
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ist->hwaccel_device);
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} else {
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av_log(NULL, AV_LOG_INFO, "Using auto "
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"hwaccel type %s with new default device.\n",
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av_hwdevice_get_type_name(type));
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}
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}
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if (dev) {
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ist->hwaccel_device_type = type;
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} else {
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av_log(NULL, AV_LOG_INFO, "Auto hwaccel "
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"disabled: no device found.\n");
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ist->hwaccel_id = HWACCEL_NONE;
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return 0;
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}
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}
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if (!dev) {
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av_log(NULL, AV_LOG_ERROR, "No device available "
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"for decoder: device type %s needed for codec %s.\n",
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av_hwdevice_get_type_name(type), ist->dec->name);
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return err;
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}
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ist->dec_ctx->hw_device_ctx = av_buffer_ref(dev->device_ref);
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if (!ist->dec_ctx->hw_device_ctx)
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return AVERROR(ENOMEM);
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return 0;
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}
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int hw_device_setup_for_encode(OutputStream *ost)
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{
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const AVCodecHWConfig *config;
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