From 83ffb384d0b75afcd7f563e41fc949117c840955 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Sebastian=20Dr=C3=B6ge?= Date: Sat, 12 Jun 2010 09:02:29 +0200 Subject: [PATCH] [MOVED FROM BAD 050/134] vp8enc: Implement multipass encoding Fixes bug #621348. --- ext/vp8/gstvp8enc.c | 229 +++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 189 insertions(+), 40 deletions(-) diff --git a/ext/vp8/gstvp8enc.c b/ext/vp8/gstvp8enc.c index 07318c4..42af0d0 100644 --- a/ext/vp8/gstvp8enc.c +++ b/ext/vp8/gstvp8enc.c @@ -79,6 +79,10 @@ struct _GstVP8Enc int max_keyframe_distance; int speed; int threads; + enum vpx_enc_pass multipass_mode; + gchar *multipass_cache_file; + GByteArray *first_pass_cache_content; + vpx_fixed_buf_t last_pass_cache_content; /* state */ @@ -117,6 +121,8 @@ enum #define DEFAULT_MAX_KEYFRAME_DISTANCE 60 #define DEFAULT_SPEED 0 #define DEFAULT_THREADS 1 +#define DEFAULT_MULTIPASS_MODE VPX_RC_ONE_PASS +#define DEFAULT_MULTIPASS_CACHE_FILE NULL enum { @@ -128,7 +134,9 @@ enum PROP_MAX_LATENCY, PROP_MAX_KEYFRAME_DISTANCE, PROP_SPEED, - PROP_THREADS + PROP_THREADS, + PROP_MULTIPASS_MODE, + PROP_MULTIPASS_CACHE_FILE }; #define GST_VP8_ENC_MODE_TYPE (gst_vp8_enc_mode_get_type()) @@ -153,6 +161,29 @@ gst_vp8_enc_mode_get_type (void) return id; } +#define GST_VP8_ENC_MULTIPASS_MODE_TYPE (gst_vp8_enc_multipass_mode_get_type()) +static GType +gst_vp8_enc_multipass_mode_get_type (void) +{ + static const GEnumValue values[] = { + {VPX_RC_ONE_PASS, "One pass encoding (default)", "one-pass"}, + {VPX_RC_FIRST_PASS, "First pass of multipass encoding", "first-pass"}, + {VPX_RC_LAST_PASS, "Last pass of multipass encoding", "last-pass"}, + {0, NULL, NULL} + }; + static volatile GType id = 0; + + if (g_once_init_enter ((gsize *) & id)) { + GType _id; + + _id = g_enum_register_static ("GstVP8EncMultipassMode", values); + + g_once_init_leave ((gsize *) & id, _id); + } + + return id; +} + static void gst_vp8_enc_finalize (GObject * object); static void gst_vp8_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); @@ -294,6 +325,18 @@ gst_vp8_enc_class_init (GstVP8EncClass * klass) 1, 64, DEFAULT_THREADS, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); + g_object_class_install_property (gobject_class, PROP_MULTIPASS_MODE, + g_param_spec_enum ("multipass-mode", "Multipass Mode", + "Multipass encode mode", + GST_VP8_ENC_MULTIPASS_MODE_TYPE, DEFAULT_MULTIPASS_MODE, + (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); + + g_object_class_install_property (gobject_class, PROP_MULTIPASS_CACHE_FILE, + g_param_spec_string ("multipass-cache-file", "Multipass Cache File", + "Multipass cache file", + DEFAULT_MULTIPASS_CACHE_FILE, + (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); + GST_DEBUG_CATEGORY_INIT (gst_vp8enc_debug, "vp8enc", 0, "VP8 Encoder"); } @@ -309,6 +352,8 @@ gst_vp8_enc_init (GstVP8Enc * gst_vp8_enc, GstVP8EncClass * klass) gst_vp8_enc->error_resilient = DEFAULT_ERROR_RESILIENT; gst_vp8_enc->max_latency = DEFAULT_MAX_LATENCY; gst_vp8_enc->max_keyframe_distance = DEFAULT_MAX_KEYFRAME_DISTANCE; + gst_vp8_enc->multipass_mode = DEFAULT_MULTIPASS_MODE; + gst_vp8_enc->multipass_cache_file = DEFAULT_MULTIPASS_CACHE_FILE; /* FIXME: Add sink/src event vmethods */ gst_vp8_enc->base_sink_event_func = @@ -327,6 +372,9 @@ gst_vp8_enc_finalize (GObject * object) g_return_if_fail (GST_IS_GST_VP8_ENC (object)); gst_vp8_enc = GST_VP8_ENC (object); + g_free (gst_vp8_enc->multipass_cache_file); + gst_vp8_enc->multipass_cache_file = NULL; + G_OBJECT_CLASS (parent_class)->finalize (object); } @@ -366,6 +414,14 @@ gst_vp8_enc_set_property (GObject * object, guint prop_id, case PROP_THREADS: gst_vp8_enc->threads = g_value_get_int (value); break; + case PROP_MULTIPASS_MODE: + gst_vp8_enc->multipass_mode = g_value_get_enum (value); + break; + case PROP_MULTIPASS_CACHE_FILE: + if (gst_vp8_enc->multipass_cache_file) + g_free (gst_vp8_enc->multipass_cache_file); + gst_vp8_enc->multipass_cache_file = g_value_dup_string (value); + break; default: break; } @@ -405,6 +461,12 @@ gst_vp8_enc_get_property (GObject * object, guint prop_id, GValue * value, case PROP_THREADS: g_value_set_int (value, gst_vp8_enc->threads); break; + case PROP_MULTIPASS_MODE: + g_value_set_enum (value, gst_vp8_enc->multipass_mode); + break; + case PROP_MULTIPASS_CACHE_FILE: + g_value_set_string (value, gst_vp8_enc->multipass_cache_file); + break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; @@ -437,6 +499,17 @@ gst_vp8_enc_stop (GstBaseVideoEncoder * base_video_encoder) encoder->inited = FALSE; } + if (encoder->first_pass_cache_content) { + g_byte_array_free (encoder->first_pass_cache_content, TRUE); + encoder->first_pass_cache_content = NULL; + } + + if (encoder->last_pass_cache_content.buf) { + g_free (encoder->last_pass_cache_content.buf); + encoder->last_pass_cache_content.buf = NULL; + encoder->last_pass_cache_content.sz = 0; + } + gst_tag_setter_reset_tags (GST_TAG_SETTER (encoder)); return TRUE; @@ -564,7 +637,24 @@ gst_vp8_enc_finish (GstBaseVideoEncoder * base_video_encoder) GST_DEBUG_OBJECT (encoder, "packet %u type %d", (guint) pkt->data.frame.sz, pkt->kind); - if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) { + if (pkt->kind == VPX_CODEC_STATS_PKT + && encoder->multipass_mode == VPX_RC_FIRST_PASS) { + GST_LOG_OBJECT (encoder, "handling STATS packet"); + + g_byte_array_append (encoder->first_pass_cache_content, + pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz); + + frame = gst_base_video_encoder_get_oldest_frame (base_video_encoder); + if (frame != NULL) { + buffer = gst_buffer_new (); + GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_PREROLL); + frame->src_buffer = buffer; + gst_base_video_encoder_finish_frame (base_video_encoder, frame); + } + + pkt = vpx_codec_get_cx_data (&encoder->encoder, &iter); + continue; + } else if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) { GST_LOG_OBJECT (encoder, "non frame pkt: %d", pkt->kind); pkt = vpx_codec_get_cx_data (&encoder->encoder, &iter); continue; @@ -596,6 +686,19 @@ gst_vp8_enc_finish (GstBaseVideoEncoder * base_video_encoder) pkt = vpx_codec_get_cx_data (&encoder->encoder, &iter); } + if (encoder->multipass_mode == VPX_RC_FIRST_PASS + && encoder->multipass_cache_file) { + GError *err = NULL; + + if (!g_file_set_contents (encoder->multipass_cache_file, + (const gchar *) encoder->first_pass_cache_content->data, + encoder->first_pass_cache_content->len, &err)) { + GST_ELEMENT_ERROR (encoder, RESOURCE, WRITE, (NULL), + ("Failed to write multipass cache file: %s", err->message)); + g_error_free (err); + } + } + return TRUE; } @@ -683,7 +786,6 @@ gst_vp8_enc_handle_frame (GstBaseVideoEncoder * base_video_encoder, cfg.g_timebase.den = base_video_encoder->state.fps_n; cfg.g_error_resilient = encoder->error_resilient; - cfg.g_pass = VPX_RC_ONE_PASS; cfg.g_lag_in_frames = encoder->max_latency; cfg.g_threads = encoder->threads; cfg.rc_end_usage = encoder->mode; @@ -699,6 +801,31 @@ gst_vp8_enc_handle_frame (GstBaseVideoEncoder * base_video_encoder, cfg.kf_min_dist = 0; cfg.kf_max_dist = encoder->max_keyframe_distance; + cfg.g_pass = encoder->multipass_mode; + if (encoder->multipass_mode == VPX_RC_FIRST_PASS) { + encoder->first_pass_cache_content = g_byte_array_sized_new (4096); + } else if (encoder->multipass_mode == VPX_RC_LAST_PASS) { + GError *err = NULL; + + + if (!encoder->multipass_cache_file) { + GST_ELEMENT_ERROR (encoder, RESOURCE, OPEN_READ, + ("No multipass cache file provided"), (NULL)); + return GST_FLOW_ERROR; + } + + if (!g_file_get_contents (encoder->multipass_cache_file, + (gchar **) & encoder->last_pass_cache_content.buf, + &encoder->last_pass_cache_content.sz, &err)) { + GST_ELEMENT_ERROR (encoder, RESOURCE, OPEN_READ, + ("Failed to read multipass cache file provided"), ("%s", + err->message)); + g_error_free (err); + return GST_FLOW_ERROR; + } + cfg.rc_twopass_stats_in = encoder->last_pass_cache_content; + } + status = vpx_codec_enc_init (&encoder->encoder, &vpx_codec_vp8_cx_algo, &cfg, 0); if (status != VPX_CODEC_OK) { @@ -750,7 +877,24 @@ gst_vp8_enc_handle_frame (GstBaseVideoEncoder * base_video_encoder, GST_DEBUG_OBJECT (encoder, "packet %u type %d", (guint) pkt->data.frame.sz, pkt->kind); - if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) { + if (pkt->kind == VPX_CODEC_STATS_PKT + && encoder->multipass_mode == VPX_RC_FIRST_PASS) { + GST_LOG_OBJECT (encoder, "handling STATS packet"); + + g_byte_array_append (encoder->first_pass_cache_content, + pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz); + + frame = gst_base_video_encoder_get_oldest_frame (base_video_encoder); + if (frame != NULL) { + buffer = gst_buffer_new (); + GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_PREROLL); + frame->src_buffer = buffer; + gst_base_video_encoder_finish_frame (base_video_encoder, frame); + } + + pkt = vpx_codec_get_cx_data (&encoder->encoder, &iter); + continue; + } else if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) { GST_LOG_OBJECT (encoder, "non frame pkt: %d", pkt->kind); pkt = vpx_codec_get_cx_data (&encoder->encoder, &iter); continue; @@ -813,45 +957,48 @@ gst_vp8_enc_shape_output (GstBaseVideoEncoder * base_video_encoder, state = gst_base_video_encoder_get_state (base_video_encoder); - for (inv_count = 0, l = hook->invisible; l; inv_count++, l = l->next) { - buf = l->data; + buf = frame->src_buffer; + frame->src_buffer = NULL; + + if (hook) { + for (inv_count = 0, l = hook->invisible; l; inv_count++, l = l->next) { + buf = l->data; + + if (l == hook->invisible && frame->is_sync_point) { + GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT); + encoder->keyframe_distance = 0; + } else { + GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); + encoder->keyframe_distance++; + } + + GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state, + &base_video_encoder->segment, frame->presentation_frame_number); + GST_BUFFER_DURATION (buf) = 0; + GST_BUFFER_OFFSET_END (buf) = + _to_granulepos (frame->presentation_frame_number + 1, + inv_count, encoder->keyframe_distance); + GST_BUFFER_OFFSET (buf) = + gst_util_uint64_scale (frame->presentation_frame_number + 1, + GST_SECOND * state->fps_d, state->fps_n); + + gst_buffer_set_caps (buf, base_video_encoder->caps); + ret = + gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf); + + if (ret != GST_FLOW_OK) { + GST_WARNING_OBJECT (encoder, "flow error %d", ret); + goto done; + } + } - if (l == hook->invisible && frame->is_sync_point) { + if (!hook->invisible && frame->is_sync_point) { GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT); encoder->keyframe_distance = 0; } else { GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); encoder->keyframe_distance++; } - - GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state, - &base_video_encoder->segment, frame->presentation_frame_number); - GST_BUFFER_DURATION (buf) = 0; - GST_BUFFER_OFFSET_END (buf) = - _to_granulepos (frame->presentation_frame_number + 1, - inv_count, encoder->keyframe_distance); - GST_BUFFER_OFFSET (buf) = - gst_util_uint64_scale (frame->presentation_frame_number + 1, - GST_SECOND * state->fps_d, state->fps_n); - - gst_buffer_set_caps (buf, base_video_encoder->caps); - ret = gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf); - - if (ret != GST_FLOW_OK) { - GST_WARNING_OBJECT (encoder, "flow error %d", ret); - goto done; - } - } - - buf = frame->src_buffer; - frame->src_buffer = NULL; - - if (!hook->invisible && frame->is_sync_point) { - GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT); - encoder->keyframe_distance = 0; - } else { - GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); - encoder->keyframe_distance++; } GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state, @@ -874,10 +1021,12 @@ gst_vp8_enc_shape_output (GstBaseVideoEncoder * base_video_encoder, } done: - g_list_foreach (hook->invisible, (GFunc) gst_mini_object_unref, NULL); - g_list_free (hook->invisible); - g_slice_free (GstVP8EncCoderHook, hook); - frame->coder_hook = NULL; + if (hook) { + g_list_foreach (hook->invisible, (GFunc) gst_mini_object_unref, NULL); + g_list_free (hook->invisible); + g_slice_free (GstVP8EncCoderHook, hook); + frame->coder_hook = NULL; + } return ret; } -- 2.7.4