3_grade_and_render_all_timelines.py

#!/usr/bin/env python

"""
Example DaVinci Resolve script:
Load a still from DRX file, apply the still to all clips in all timelines. Set render format and codec, add render jobs for all timelines, render to specified path and wait for rendering completion.
Once render is complete, delete all jobs
Example usage: 3_grade_and_render_all_timelines.py /Users/username/Pictures/Still_1.1.1.dpx 0 "ProRes Master" /Users/username/Movies/Render mov ProRes422HQ
"""

from python_get_resolve import GetResolve
import sys
import time

def AddTimelineToRender( project, timeline, presetName, targetDirectory, renderFormat, renderCodec ):
    project.SetCurrentTimeline(timeline)
    project.LoadRenderPreset(presetName)

    if not project.SetCurrentRenderFormatAndCodec(renderFormat, renderCodec):
        return False

    project.SetRenderSettings({"SelectAllFrames" : 1, "TargetDir" : targetDirectory})
    return project.AddRenderJob()

def RenderAllTimelines( resolve, presetName, targetDirectory, renderFormat, renderCodec ):
    projectManager = resolve.GetProjectManager()
    project = projectManager.GetCurrentProject()
    if not project:
        return False

    resolve.OpenPage("Deliver")
    timelineCount = project.GetTimelineCount()

    for index in range (0, int(timelineCount)):
        if not AddTimelineToRender(project, project.GetTimelineByIndex(index + 1), presetName, targetDirectory, renderFormat, renderCodec):
            return False
    return project.StartRendering()

def IsRenderingInProgress( resolve ):
    projectManager = resolve.GetProjectManager()
    project = projectManager.GetCurrentProject()
    if not project:
        return False

    return project.IsRenderingInProgress()

def WaitForRenderingCompletion( resolve ):
    while IsRenderingInProgress(resolve):
        time.sleep(1)
    return

def ApplyDRXToAllTimelineClips( timeline, path, gradeMode = 0 ):
    trackCount = timeline.GetTrackCount("video")

    for index in range (1, int(trackCount) + 1):
        clips = timeline.GetItemListInTrack("video", index)
        if not timeline.ApplyGradeFromDRX(path, int(gradeMode), clips):
            return False

    return True

def ApplyDRXToAllTimelines( resolve, path, gradeMode = 0 ):
    projectManager = resolve.GetProjectManager()
    project = projectManager.GetCurrentProject()
    if not project:
        return False
    timelineCount = project.GetTimelineCount()

    for index in range (0, int(timelineCount)):
        timeline = project.GetTimelineByIndex(index + 1)
        project.SetCurrentTimeline( timeline )
        if not ApplyDRXToAllTimelineClips(timeline, path, gradeMode):
            return False
    return True

def DeleteAllRenderJobs( resolve ):
    projectManager = resolve.GetProjectManager()
    project = projectManager.GetCurrentProject()
    project.DeleteAllRenderJobs()
    return

# Inputs:
# - DRX file to import grade still and apply it for clips
# - grade mode (0, 1 or 2)
# - preset name for rendering
# - render path
# - render format
# - render codec
if len(sys.argv) < 7:
    print("input parameters for scripts are [drx file path] [grade mode] [render preset name] [render path] [render format] [render codec]")
    sys.exit()

drxPath = sys.argv[1]
gradeMode = sys.argv[2]
renderPresetName = sys.argv[3]
renderPath = sys.argv[4]
renderFormat = sys.argv[5]
renderCodec = sys.argv[6]

# Get currently open project
resolve = GetResolve()

if not ApplyDRXToAllTimelines(resolve, drxPath, gradeMode):
    print("Unable to apply a still from drx file to all timelines")
    sys.exit()

if not RenderAllTimelines(resolve, renderPresetName, renderPath, renderFormat, renderCodec):
    print("Unable to set all timelines for rendering")
    sys.exit()

WaitForRenderingCompletion(resolve)

DeleteAllRenderJobs(resolve)

print("Rendering is completed.")